Growing Romaine lettuce from the leftover stumps. Why have I never thought of this? I know you can do this with green onions and avocado pits. To think of all the romaine lettuce stumps I've just tossed away!
How To: Make a One-Pot Indoor Herb Garden:: Fortunately its not difficult to grow these herbs indoorseven in a tiny kitchen.] One big pot, some potting soil, and a few herb plants are all you need. You should also have a sunny spot
Boiled Eggs: Don't throw out the water you boil your eggs in. It contains tons of calcium plants love. Let water cool and dump it on plants. Save egg shells, rinse them out really well, crumble, then mix in with dirt and/or potting soil before planting.
How to Propagate Roses Using Potatoes
Growing rose cuttings using potatoes. I'll have to give it a try. I also like the idea someone left in the comments to propagate the roses from bouquets of bought flowers. Great way to make a gift last for a long time.