I’m sure there are good general sources of info, but a lot of this stuff will be very local. Some places, like the California Central Valley, are just lucky. Lo

I’m sure there are good general sources of info, but a lot of this stuff will be very local. Some places, like the California Central Valley, are just lucky. Look for a seed library near you. A literal public library giving away local heirloom seeds. For example, if you live in a formerly-industrial area, your topsoil might have mercury from coal burning. You might get an excited reply that fungus can help; you need to find someone who’s proven it locally. Much less exciting. Here’s an interesting comment on central California: https://news.ycombinator.com/item?id=12552056 https://news.ycombinator.com/item?id=12552056