Where growers learn

Grower resources, state by state.

Every state runs a Cooperative Extension service, a plant regulatory office, and a Master Gardener program. Most have an industry association with its own grower certification. All of it is public and most of it is free — but there is no single place that lists it. So we made one. Pick your state, or search by topic.

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4 resources

Colorado Extension Master Gardener

CO

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

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Colorado Nursery & Greenhouse Association

CO

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

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Colorado plant & nursery stock regulations

National Plant Board

CO

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

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Colorado State University Extension

CO

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.

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