01 Mark a couple fruits from several plants (12 is not too many, the more separate plant sources, the better and healthier the diversity of genes).
02 Let the marked fruits mature. Tomatoes, peppers, zucchini, cucumbers, etc will be past their prime and softening. Leave winter squashes on the vine either until the vines wither or a serious frost threatens. For beans leave them till they mature and dry out on vines.
03 Fruits with seeds trapped inside are obviously easier to collect than those that are released from small pods. Collect tomatoes, peppers, cucumbers, squashes, melons, gourds, okra and tomatillos when they are very mature. Immature seeds won’t sprout, ever. Cut them open and collect the seeds. Some will be dark (like watermelon) and some will be very light or white (cucumbers, melons). The easiest way to dry them is to lay the seeds out on a paper or towel or on several layers of newspaper and allow them to air out and dry for several days. It is important that the seeds are dry and clean when you store them. Dirty or damp seeds run the risk of rotting or growing mold. When the seeds are dry, sort through the seeds discarding any shriveled, broken, or discolored seeds.
Collecting seeds from tomatoes are a little different, as they have a coating that prevents sprouting, and you’ll have to remove it by fermentation (and it helps kill any bacteria, too). Squeeze the seeds out of the tomato or scrape them out with a spoon into a quart jar. Add just as much water as you have seed pulp and stir. Put the jar in a place where you won’t notice the unpleasant smell for three days. Don’t worry about the mold that forms, it’s part of the process. On the third day, scrape off the mold and stir the rest of the contents. Spoon or pour off all the yucky stuff on the top, including any floating seeds (they’re no good if they float), and save the seeds that are sitting on the bottom of the jar. After you’ve poured out most of the junk, add more water to the bottom seeds and stir again. Pour off anything that floats. Repeat until all you have in the jar is clear water and seeds sitting on the bottom. Pour through a strainer, and then dump the seeds onto a glass plate or cake pan and stir a couple of times a day to help them dry. Some people spread them out on paper towels instead, and let them stick to the towel as it dries out. When they are thoroughly dry, they just roll or fold the paper towel and put it in a labeled paper envelope for storage, and tear them apart when they plant them next year. Otherwise, keep stirring them around on the plate until they’re dry and mostly separated.
Same goes with saving strawberry seeds. Allow the fruit to over ripen before it is picked. In short, it should be slightly squishy. Place these over ripe berries into a fine holed strainer and gently shove the pulp through the sieve in order to separate the seed from the fruit. Try not to crush the seeds. Next, rinse the seeds well under gently cool running water. This should be done while they are still in the sieve so that they don’t washing down the drain. Allow them to air dry for several days. When the seeds are dry they will not cling to each other and can be easily moved across the plate with your finger.
Smaller seeds like parsley, carrots and dill will need to be watched carefully, and harvested when they are fairly dry. If you think you might forget and they’ll fall to the ground, you can make simple cloth (polyester organdy or similar fabric allows air in and dries quickly after rain or watering) drawstring bags to put over the seed heads as they are maturing, pull the string snugly around the base of the flower and tie in a bow. When they’re dry and crisp, just cut the heads off the stems with the bags still on, and collect them in a large bowl. Remove the bags and tap out the loose seeds when you’re out of the wind. Be sure to mark the kind and variety of seeds that they are.
Let pea pods and beans dry on the vine. Then collect them on a dry day into an open container and let them dry even more out of the weather. Remove from the pods when they are dry and crisp, and store in marked paper bags.
Carrots, cabbage, parsnips, leeks, onions, celery, beets, turnips, kohlrabi and salsify are biennials. They produce their crop one year and their seeds the next spring, and then they die. Here is some info for cold climates, as you will have to make some effort to keep them alive through the winter for them to flower the next year.
http://www.cog.ca/documents/Savingseedsofbiennialvegetables.pdf
Most of these have umbel-type flowers, and cloth bags may be the easiest way to collect the largest amount of seeds. If you try to harvest them when they are green, they will not be viable and won’t sprout.
Some seeds are at the base of the dried flowers, like sunflowers, artichoke and cardoon. Cut the dry heads off and rub or pull the dry center of the flowers off. The seeds are embedded in the base of the flower. Remove and dry.
06 Seeds must be carefully stored to retain their viability. Store them in marked paper bags or envelopes, which will allow them to dry out more if they need it. Plastic bags contribute to molding and rot if they aren’t dry enough. Keep cool and dry. Heat and moisture will decrease their viability considerably. Some people store their seeds in a freezer, but if the seeds are too moist, it will kill the embryo. A refrigerator is a better place, or a cool basement.
Tuesday, February 2, 2010
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