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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3 resources

Oklahoma Extension Master Gardener

OK

Oklahoma'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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Oklahoma plant & nursery stock regulations

National Plant Board

OK

Oklahoma'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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Oklahoma State University Extension

OK

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.

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