You can pick multiple jars in an outing.

Since you're a yankee transplant: If you meet a farmer with cattle, tell him you want to take pictures of his land and you'll say far away from his cattle. Or find a field of cattle and just ask the guy. Also useful tip, you can get an app that tells you who owns what plot of land. So if you find a field, you can see who owns it.

If you are cool with a cattle farmer: just ask lol.

Google the rest, not super interested in explaining how to commit a felony on reddit. If you have broad questions, I can answer. There are certain times to go and what not. Both methods are tried and true.

Also: spores are 100% legal to order online. Come in a syringe for like $30. Google the rest.