Coffee beans (non-roasted), tomatoes, wheat, rye, oats, lemon grass, taro, potatoes, green onions, garlic, pineapple, sunflowers, water chestnuts, popcorn, and raw spices (fennel, anise, sesame seed, celery seeds, etc.). In the case of peppers, squash, pumpkins, cucumbers and eggplants, the seeds need to mature along with the fruit, so look for ripe or even overripe produce to use as seed stock.
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About growing garlic - When I lived in an apartment in California I grew garlic in a terra cotta pot, in my kitchen. The spot where it grew got a lot of sunshine through a window. Now there's the thing, I did not grow it for the cloves, I grew it for the green leaves, aka garlic chives that are very tasty in salads.
Here in Florida (USDA Zone 9b), I grow bunch onions. I buy those small bunches of onions from the local supermarket and my wife uses them in salads.
I make sure she leaves about 2" or so of green leaves, and then I plant them in good, rich soil. They grow to maturity in about a year, during which I cut some of the leaves, which grow to 3' high, and we use them for cooking, salads, etc.
At the end of the year, I dig up the onions - this has to be done before they begin to flower, as the bulb texture and flavor goes "off" when flowering begins. I usually have onions right around softball size, or sometimes larger.
One trick about growing onions: if you want them sweet, water them well. If you want them to be hot, restrict watering a bit.
thanks, bulrush! I've been wanting to grow garlic for a long time and gave up after the first year. I live in WI so I'm going to follow your advice and try it. How long does your garlic last in the frig? weeks or months?
Many things, especially fruits, are irradiated so they will NOT grow. You just have to try it. I do know that garlic cloves grow just fine, as I have done it. Buy a fresh garlic bulb at the store. Break apart the garlic into cloves, and plant each clove about 6-8 inches apart, about 6 inches deep, just like a tulip. Leave them in the ground, even during the winter. It will take 2-3 years for the new cloves to grow into larger pieces. But each year the stalks will sprout, grow, and eventually flower. Let the stalks die back, and pull up one when needed. Hang unusued cloves by their dried leaves in a cool dry place. Or put them in the bottom drawer of your fridge, uncovered. Moisture will cause them to rot.
To pull up a garlic clove, try to do it when the stalk is still green. Otherwise, the time of year doesn't matter, you just need something to locate the clove. Take a spade and push down so you will be under the clove, then tilt the handle back, pushing up the clove. Sift through the dirt to find the clove, or pull on the green leaves to pull it out of the loosened dirt. If you don't loosen the dirt, the leaves will break before you pull up the cloves.
I have done this in Michigan and our winters did not hurt the garlic at all. They all came back each year.
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