Right now the constant flow (a portion of my turtleponics just added to my main pond) currently has rosemary and a green onion - a cutting from the ones we bought from the grocery store. At work, I had some great success with tomatoes, when it was on a cichlid tank. They didn't make the transfer back home, tho. I find they do great when started from seed, but I have yet to have a tomato grown in any of my systems survive a transfer (to dirt or another AP system)