Grower resources, state by state.

AgNIC — Agricultural Network Information Center

Curated agricultural information index maintained by the National Agricultural Library and land-grant partners.

Alabama Cooperative Extension System (Auburn / Alabama A&M)

Cooperative Extension publications and grower guidance for Alabama. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Alabama Extension Master Gardener

Alabama's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Alabama Nursery & Landscape Association

Alabama's nursery and landscape trade association — professional certification, grower education and industry events.

Alabama plant & nursery stock regulations

National Plant Board

Alabama's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Alaska Extension Master Gardener

Alaska's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Alaska plant & nursery stock regulations

National Plant Board

Alaska's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Arizona Extension Master Gardener

Arizona's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Arizona Nursery Association

Arizona's nursery and landscape trade association — professional certification, grower education and industry events.

Arizona plant & nursery stock regulations

National Plant Board

Arizona's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Arkansas Extension Master Gardener

Arkansas's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Arkansas plant & nursery stock regulations

National Plant Board

Arkansas's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

ATTRA Sustainable Agriculture Program (NCAT)

Practical publications and tipsheets on sustainable and organic production for commercial growers.

California Extension Master Gardener

California's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

California plant & nursery stock regulations

National Plant Board

California's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Clemson Cooperative Extension

Cooperative Extension publications and grower guidance for South Carolina. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Colorado Extension Master Gardener

Colorado's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Colorado Nursery & Greenhouse Association

Colorado's nursery and landscape trade association — professional certification, grower education and industry events.

Colorado plant & nursery stock regulations

National Plant Board

Colorado's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Colorado State University Extension

Cooperative Extension publications and grower guidance for Colorado. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Connecticut Extension Master Gardener

Connecticut's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Connecticut plant & nursery stock regulations

National Plant Board

Connecticut's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Cooperative Extension System (extension.org)

National front door to the Cooperative Extension System and its Ask Extension question service.

Cornell Cooperative Extension

Cooperative Extension publications and grower guidance for New York. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Delaware Extension Master Gardener

Delaware's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Delaware Nursery & Landscape Association

Delaware's nursery and landscape trade association — professional certification, grower education and industry events.

Delaware plant & nursery stock regulations

National Plant Board

Delaware's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

e-GRO (Electronic Grower Resources Online)

Clearing house of diagnostic alerts on disease, insect, environmental, physiological and nutritional disorders in commercial greenhouses. Written by university floriculture specialists.

eOrganic

Organic farming research and education from the land-grant extension community.

Extension Master Gardener (national)

National hub for the Extension Master Gardener volunteer programs run by land-grant universities.

Florida Extension Master Gardener

Florida's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Florida Nursery, Growers and Landscape Association

Florida's nursery and landscape trade association — professional certification, grower education and industry events.

Florida plant & nursery stock regulations

National Plant Board

Florida's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Georgia Extension Master Gardener

Georgia's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Georgia Green Industry Association

Georgia's nursery and landscape trade association — professional certification, grower education and industry events.

Georgia plant & nursery stock regulations

National Plant Board

Georgia's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Hawaii Extension Master Gardener

Hawaii's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Hawaii plant & nursery stock regulations

National Plant Board

Hawaii's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Idaho Extension Master Gardener

Idaho's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Idaho Nursery & Landscape Association

Idaho's nursery and landscape trade association — professional certification, grower education and industry events.

Idaho plant & nursery stock regulations

National Plant Board

Idaho's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Illinois Extension Master Gardener

Illinois's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Illinois Green Industry Association

Illinois's nursery and landscape trade association — professional certification, grower education and industry events.

Illinois plant & nursery stock regulations

National Plant Board

Illinois's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Indiana Extension Master Gardener

Indiana's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Indiana Nursery & Landscape Association

Indiana's nursery and landscape trade association — professional certification, grower education and industry events.

Indiana plant & nursery stock regulations

National Plant Board

Indiana's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Iowa Extension Master Gardener

Iowa's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Iowa Nursery & Landscape Association

Iowa's nursery and landscape trade association — professional certification, grower education and industry events.

Iowa plant & nursery stock regulations

National Plant Board

Iowa's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Iowa State University Extension Store

Cooperative Extension publications and grower guidance for Iowa. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

K-State Research and Extension Bookstore

Cooperative Extension publications and grower guidance for Kansas. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Kansas Extension Master Gardener

Kansas's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Kansas Nursery & Landscape Association

Kansas's nursery and landscape trade association — professional certification, grower education and industry events.

Kansas plant & nursery stock regulations

National Plant Board

Kansas's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Kentucky Nursery & Landscape Association

Kentucky's nursery and landscape trade association — professional certification, grower education and industry events.

Kentucky plant & nursery stock regulations

National Plant Board

Kentucky's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Louisiana Extension Master Gardener

Louisiana's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Louisiana Nursery & Landscape Association

Louisiana's nursery and landscape trade association — professional certification, grower education and industry events.

Louisiana plant & nursery stock regulations

National Plant Board

Louisiana's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

LSU AgCenter

Cooperative Extension publications and grower guidance for Louisiana. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Maine Extension Master Gardener

Maine's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Maine plant & nursery stock regulations

National Plant Board

Maine's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Maryland Extension Master Gardener

Maryland's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Maryland Nursery, Landscape and Greenhouse Association

Maryland's nursery and landscape trade association — professional certification, grower education and industry events.

Massachusetts Extension Master Gardener

Massachusetts's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Massachusetts plant & nursery stock regulations

National Plant Board

Massachusetts's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Michigan Extension Master Gardener

Michigan's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Michigan Nursery & Landscape Association

Michigan's nursery and landscape trade association — professional certification, grower education and industry events.

Michigan plant & nursery stock regulations

National Plant Board

Michigan's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Michigan State University Extension

Cooperative Extension publications and grower guidance for Michigan. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Minnesota Extension Master Gardener

Minnesota's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Minnesota Nursery & Landscape Association

Minnesota's nursery and landscape trade association — professional certification, grower education and industry events.

Minnesota plant & nursery stock regulations

National Plant Board

Minnesota's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Mississippi plant & nursery stock regulations

National Plant Board

Mississippi's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Mississippi State University Extension

Cooperative Extension publications and grower guidance for Mississippi. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Missouri Extension Master Gardener

Missouri's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Missouri plant & nursery stock regulations

National Plant Board

Missouri's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Montana Extension Master Gardener

Montana's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Montana Nursery & Landscape Association

Montana's nursery and landscape trade association — professional certification, grower education and industry events.

Montana plant & nursery stock regulations

National Plant Board

Montana's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Montana State University Extension

Cooperative Extension publications and grower guidance for Montana. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

National Plant Board

The association of state plant regulatory agencies. Entry point for nursery stock certification and interstate shipping rules.

NC State Extension Publications

Cooperative Extension publications and grower guidance for North Carolina. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

NDSU Extension

Cooperative Extension publications and grower guidance for North Dakota. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Nebraska Extension

Cooperative Extension publications and grower guidance for Nebraska. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Nebraska Extension Master Gardener

Nebraska's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Nebraska Nursery & Landscape Association

Nebraska's nursery and landscape trade association — professional certification, grower education and industry events.

Nebraska plant & nursery stock regulations

National Plant Board

Nebraska's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Nevada Extension Master Gardener

Nevada's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Nevada plant & nursery stock regulations

National Plant Board

Nevada's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

New Hampshire plant & nursery stock regulations

National Plant Board

New Hampshire's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

New Jersey Extension Master Gardener

New Jersey's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

New Jersey Nursery & Landscape Association

New Jersey's nursery and landscape trade association — professional certification, grower education and industry events.

New Jersey plant & nursery stock regulations

National Plant Board

New Jersey's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

New Mexico Extension Master Gardener

New Mexico's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

New Mexico plant & nursery stock regulations

National Plant Board

New Mexico's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

New York Extension Master Gardener

New York's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

New York plant & nursery stock regulations

National Plant Board

New York's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

New York State Nursery/Landscape Association

New York's nursery and landscape trade association — professional certification, grower education and industry events.

NMSU Cooperative Extension Publications

Cooperative Extension publications and grower guidance for New Mexico. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

North Carolina Extension Master Gardener

North Carolina's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

North Carolina Nursery & Landscape Association

North Carolina's nursery and landscape trade association — professional certification, grower education and industry events.

North Carolina plant & nursery stock regulations

National Plant Board

North Carolina's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

North Central IPM Center

Regional IPM hub for the North Central states.

North Dakota Extension Master Gardener

North Dakota's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

North Dakota plant & nursery stock regulations

National Plant Board

North Dakota's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Northeastern IPM Center

Regional IPM hub for the Northeast. Pest alerts, working groups, and the IPM news roundup.

Ohio Extension Master Gardener

Ohio's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Ohio Nursery & Landscape Association

Ohio's nursery and landscape trade association — professional certification, grower education and industry events.

Ohio plant & nursery stock regulations

National Plant Board

Ohio's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Ohio State University Extension

Cooperative Extension publications and grower guidance for Ohio. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Oklahoma Extension Master Gardener

Oklahoma's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Oklahoma plant & nursery stock regulations

National Plant Board

Oklahoma's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Oklahoma State University Extension

Cooperative Extension publications and grower guidance for Oklahoma. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Oregon Association of Nurseries

Oregon's nursery and landscape trade association — professional certification, grower education and industry events.

Oregon Extension Master Gardener

Oregon's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Oregon plant & nursery stock regulations

National Plant Board

Oregon's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Oregon State University Extension Service

Cooperative Extension publications and grower guidance for Oregon. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Penn State Extension

Cooperative Extension publications and grower guidance for Pennsylvania. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Pennsylvania Extension Master Gardener

Pennsylvania's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Pennsylvania Landscape & Nursery Association

Pennsylvania's nursery and landscape trade association — professional certification, grower education and industry events.

Pennsylvania plant & nursery stock regulations

National Plant Board

Pennsylvania's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Plant California Alliance

California's nursery and landscape trade association — professional certification, grower education and industry events.

Puerto Rico plant & nursery stock regulations

National Plant Board

Puerto Rico's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Purdue Extension

Cooperative Extension publications and grower guidance for Indiana. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Regional IPM Centers

The four USDA-funded regional IPM Centers (Northeast, North Central, Southern, Western) and their shared pest-management resources.

Rhode Island Extension Master Gardener

Rhode Island's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Rhode Island plant & nursery stock regulations

National Plant Board

Rhode Island's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Rutgers NJAES Cooperative Extension

Cooperative Extension publications and grower guidance for New Jersey. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

SARE — Sustainable Agriculture Research and Education

USDA-funded grants and a large free library of practical books on soils, cover crops and profitable production.

SDSU Extension

Cooperative Extension publications and grower guidance for South Dakota. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

South Carolina Extension Master Gardener

South Carolina's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

South Carolina plant & nursery stock regulations

National Plant Board

South Carolina's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

South Dakota Extension Master Gardener

South Dakota's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

South Dakota plant & nursery stock regulations

National Plant Board

South Dakota's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Southern IPM Center

Regional IPM hub for the Southern states, including pest management strategic plans by crop.

Tennessee Extension Master Gardener

Tennessee's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Tennessee Master Nursery Producer Program

Roughly 80 extension PDFs organised by training module — irrigation, pest and disease management, IPM, soils, propagation, plant patents and business planning.

Tennessee Nursery & Landscape Association

Tennessee's nursery and landscape trade association — professional certification, grower education and industry events.

Tennessee plant & nursery stock regulations

National Plant Board

Tennessee's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Texas A&M AgriLife Extension

Cooperative Extension publications and grower guidance for Texas. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Texas Extension Master Gardener

Texas's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Texas Nursery & Landscape Association

Texas's nursery and landscape trade association — professional certification, grower education and industry events.

Texas plant & nursery stock regulations

National Plant Board

Texas's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

UC Agriculture and Natural Resources

Cooperative Extension publications and grower guidance for California. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

UConn Extension

Cooperative Extension publications and grower guidance for Connecticut. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

UF/IFAS EDIS

Cooperative Extension publications and grower guidance for Florida. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

UGA Extension Publications

Cooperative Extension publications and grower guidance for Georgia. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

UMass Center for Agriculture, Food and the Environment

Cooperative Extension publications and grower guidance for Massachusetts. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

UNH Cooperative Extension

Cooperative Extension publications and grower guidance for New Hampshire. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Alaska Fairbanks Cooperative Extension

Cooperative Extension publications and grower guidance for Alaska. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Arizona Cooperative Extension

Cooperative Extension publications and grower guidance for Arizona. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Arkansas System Division of Agriculture

Cooperative Extension publications and grower guidance for Arkansas. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Delaware Cooperative Extension

Cooperative Extension publications and grower guidance for Delaware. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Hawai'i CTAHR

Cooperative Extension publications and grower guidance for Hawaii. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Idaho Extension

Cooperative Extension publications and grower guidance for Idaho. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Illinois Extension

Cooperative Extension publications and grower guidance for Illinois. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Kentucky Cooperative Extension

Cooperative Extension publications and grower guidance for Kentucky. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Maine Cooperative Extension

Cooperative Extension publications and grower guidance for Maine. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Maryland Extension

Cooperative Extension publications and grower guidance for Maryland. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Minnesota Extension

Cooperative Extension publications and grower guidance for Minnesota. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Missouri Extension

Cooperative Extension publications and grower guidance for Missouri. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Nevada, Reno Extension

Cooperative Extension publications and grower guidance for Nevada. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Vermont Extension

Cooperative Extension publications and grower guidance for Vermont. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Wisconsin-Madison Division of Extension

Cooperative Extension publications and grower guidance for Wisconsin. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

University of Wyoming Extension

Cooperative Extension publications and grower guidance for Wyoming. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

URI Cooperative Extension

Cooperative Extension publications and grower guidance for Rhode Island. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

USDA National Agricultural Library

The federal agricultural library. Full-text collections, DigiTop databases and the Ag Data Commons.

UT Extension

Cooperative Extension publications and grower guidance for Tennessee. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Utah Extension Master Gardener

Utah's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Utah Nursery & Landscape Association

Utah's nursery and landscape trade association — professional certification, grower education and industry events.

Utah plant & nursery stock regulations

National Plant Board

Utah's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Utah State University Extension

Cooperative Extension publications and grower guidance for Utah. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Vermont Extension Master Gardener

Vermont's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Vermont plant & nursery stock regulations

National Plant Board

Vermont's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Virginia Cooperative Extension

Cooperative Extension publications and grower guidance for Virginia. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Virginia Extension Master Gardener

Virginia's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Virginia Nursery & Landscape Association

Virginia's nursery and landscape trade association — professional certification, grower education and industry events.

Virginia plant & nursery stock regulations

National Plant Board

Virginia's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Washington Extension Master Gardener

Washington's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Washington plant & nursery stock regulations

National Plant Board

Washington's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Washington State Nursery & Landscape Association

Washington's nursery and landscape trade association — professional certification, grower education and industry events.

Washington State University Extension

Cooperative Extension publications and grower guidance for Washington. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

West Virginia Extension Master Gardener

West Virginia's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

West Virginia plant & nursery stock regulations

National Plant Board

West Virginia's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

Western IPM Center

Regional IPM hub for the Western states.

Wisconsin Extension Master Gardener

Wisconsin's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Wisconsin Green Industry Federation

Wisconsin's nursery and landscape trade association — professional certification, grower education and industry events.

Wisconsin plant & nursery stock regulations

National Plant Board

Wisconsin's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.

WVU Extension

Cooperative Extension publications and grower guidance for West Virginia. Peer-reviewed fact sheets on production, pest and disease management, soils and horticulture, free to the public.

Wyoming Extension Master Gardener

Wyoming's Extension Master Gardener program — volunteer training run by the land-grant university, and the home and garden guidance it publishes.

Wyoming plant & nursery stock regulations

National Plant Board

Wyoming's summary of plant protection and nursery stock regulations, published by the National Plant Board. Licensing, inspection and interstate shipping rules.