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Resources
Google/Web Search
When searching Google for any gardening related topic: I suggest adding .edu, .gov, .pdf to your search.
Doing so gives you a better chance of finding articles and resources hosted by Agricultural Extensions, Government Agencies and Universities.
This can help weeds out the ad farm bot-generated blogs that repeat the same generic (usually incorrect) “garden advice”.
Argicultural Extensions
One of the best resources is your state's Cooperative Agricultural Extensions.
“Extension provides non-formal education and learning activities to people throughout the country — to farmers and other residents of rural communities as well as to people living in urban areas.”
“All universities engage in research and teaching, but the nation's more than 100 land-grant colleges and universities have a third, critical mission — extension. Through extension, land-grant colleges and universities bring vital, practical information to agricultural producers, small business owners, consumers, families, and young people.”
“Cooperative Extension is a national network of 35,000 professionals from 112 Universities with presence in every county, borough, parish, and territory that empower communities of all types and sizes through educational programs, resources, and research-based information to help realize their potential and improve quality of life.”
- from: https://extension.org/
You can contact your local extension with questions, access free and paid services, attend classes and more.
Find a Cooperative Extension in Your State:**
My Most Used Resources
Clemson Cooperative Extension Service
Clemson Cooperative Extension Service
Most useful to me has been their Home Garden Information Center and the
Which is a vast resource of information on topics from home garden planning, weed control, pest management, canning and more.
NC State University Extension
Their Gardener's Toolbox is an amazing resource for plant species identificiation, care information and garden planning.
The JC Raulston Arboretum at NC State hosts free Zoom classes on topics from highlighted species to monthly garden maintenance check lists.
Youtube
Be careful with Youtube, many of the channels you see are simply there to shill a product to you, make entertainment with no substance or portray themselves as experts.
That said, here are some Channels I recommend who creators are more interested in relaying information without a bunch of “fluff”
Horttube with Jim Putnam
Former Nursery Man living in Urban Raleigh, NC USDA 7A
Great resource for SC gardeners as our growing conditions are similar.