What can I plant from seed right now in extremely shallow soil over concrete?
The soil itself is very nice, soft and crumbly with plenty of mulch. However, there's only about 2-3 inches of it before you hit concrete.
I'm in Los Angeles now, which is gardening zone 10b.
I'd ideally like to plant some edible things and some flowers or attractive ground cover. It's not the right time of year to plant CA wildflowers from seed - that's done in the fall. Herbs and vegetables would be my first choice, with inedible pretty things my second.
I am limited to what I can order by mail as I can't interact with human beings for the obvious reason. So seeds or dried roots only, not seedlings.
I strongly prefer fast-growing, quick-reward plants. This is basically a pandemic project, so I'm looking to keep myself occupied for the next couple months, not the next couple years. I also won't have the space indefinitely.

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Published on March 16, 2020 09:30