Cooperative Extension (your county office)
University program
The crown jewel almost nobody surfaces: a public specialist attached to a land-grant university in nearly every US county, running soil tests, diagnosing pests, and teaching workshops.
The closest thing to a personal agronomist you can have, and your taxes already paid for it.
Visit ↗Checked Aug 30, 2026
Extension Foundation (extension.org)
University program
The national gateway into the whole Cooperative Extension system from one door.
Route into any state's land-grant resources without knowing the campus.
Visit ↗Checked Aug 30, 2026
Extension Master Gardener programs
University program
Volunteer horticulture training run by the land-grant in every state: coursework, then service hours answering the public's plant questions.
Real training and a community, or free expert answers from those who took it.
Visit ↗Checked Aug 30, 2026
Land-grant small farm programs (pattern)
Reference work
Most states run a small-farm or beginning-farmer program inside their land-grant; ATTRA keeps the directory of them.
Find your state's version of Cornell Small Farms in one list.
Visit ↗Checked Aug 30, 2026
UF/IFAS greenhouse and hydroponics resources
University program
Florida's small farms program: hot-climate protected culture and hydroponics resources from the state that grows through summer.
Greenhouse answers tuned for heat, not just northern winters.
Visit ↗Checked Aug 30, 2026
Utah State crop physiology lab (Bugbee)
University program
Bruce Bugbee's lab: the plain-spoken science of light, photosynthesis, and controlled environments, generously published.
The lighting science behind every LED claim, from the source everyone cites.
Visit ↗Checked Aug 30, 2026