Don’t even need a lot of space!
We grew one per opening (~4”x4”) in our concrete block driveway retainer wall this year 🙂
September 11, 2020 at 10:27AM
via reddit https://www.reddit.com/r/ZeroWaste/comments/iqrb2m/this_is_how_many_seeds_i_got_from_one_sunflower/g4trirl?utm_source=ifttt