3. Grow a Beet in Water Without Seeds: Known for its edible greens as well as its sweet, tasty roots, the beet is a member of the Chenopodiaceae family. It grows best in cool climates, but can do well in U.S. Department of Agriculture … (via SFGate)
5. Romaine Lettuce: Who would have known that the bottom stump of romaine lettuce can be planted and regrown if done correctly. It will regrow new leaves for a second harvest. You can do this by putting a stump in a 1/2 inch of water and check that it stays at 1/2 inch daily. The lettuce will grow (via Remove and Replace)