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Saving Tomato Seeds

meg's picture

 

Late summer is upon us. The garden is needy, and the weather, until two days ago, had not been willing to do any of the obligatory watering for me. I mostly let the tomatoes go. They were on their way out anyway--four weeks of upper 90° weather and no rain will do that. I haven't had the nerve to uproot them yet, though. After I stopped clipping the "suckers" (offshoots between major branches that tend not to be very productive and that make tomato plants unwieldy), the plants took on a personality of their own, winding and spreading out like many-tentacled cuttlefish. I like them like that. They provide a nice jungle-esque appearance to the garden.
Late summer is one of my favorite times of the year. The days are shorter, but they seem longer somehow. Long and full and rich with golden light. I'm always amazed at how the light changes towards autumn. You notice it mostly in the late afternoon. The light is golden and subdued unlike the hot, brazen light of summer. The weeds have grown leggy and top-heavy, bending and swaying like lean dancers. The grasses are thick, walnut and apple trees are heavy with fruit, and the nights are cool, trailing off in a shroud of morning mist.
My kitchen has responded in kind to the new, cooler energy that late summer brings. With some of our last tomatoes, we made a smoked tomato paste, which we froze in ice cube trays for winter stews and sauces. Roast chicken has wandered back into our repertoire now that it isn't too hot to leave the oven on for a while. I've also kept busy baking sourdough bread and experimenting with cheese making (more on that later). It seems somehow like we're over the final hurdle of summer, and I can feel my own seasonal habits changing with the leaves.
In all the bustle of late summer, I have, however, managed to set aside some time to start thinking about next year's garden. It may seem to soon, but if you're a seed saver, harvest is a good time to pay extra attention. Most seeds can be saved simply by drying them out, but for tomatoes (and cucumbers and sometimes squash), a slightly more (but only slightly) sophisticated method is required. This involves fermenting the seeds for a few days to break down their gelatinous outer coating.
The fermenting process mimics the decay of the tomato, removing the seed coating and readying the seeds for deployment into the harsh world. There's really nothing to it. The important thing to remember about saving seeds, though, is that you cannot save hybrid seed. I mean, you can, but when you plant the seed, the plants will not grow true to type. This means that if you save seed from those really lovely Better Boy hybrid tomatoes that you had last year, your plants from the resulting seed will not produce Better Boy tomatoes. In addition, hybrids are bred for increased shelf life, attractiveness, and yield, not necessarily flavor or nutrition.
Thus, you'll want to save heirloom seeds. These seeds can be from tomatoes that you grow at home or from heirloom tomatoes bought at a market. This ensures that your seeds will grow true. To ferment tomato seeds, simply cut a tomato in half, scoop the seeds into a small glass jar (a glass container is best because you can see what's going on in there; also, use a jelly jar if saving seed from only a few tomatoes, a larger jar for more) along with any pulp that happens to fall out, and fill the jar halfway with water. Let the jar sit in a warm place for a few days, stirring occasionally, until a layer of mold develops on the surface. When the mold covers the surface of the liquid and the seeds begin to fall to the bottom, your seeds are ready to be cleaned.
Fill the jar with water and swirl it a little. Carefully pour off the murky liquid (your seeds should be at the bottom of the jar and will not float away), leaving the seeds in the bottom of the jar. Repeat this process until the water is clear, about 4 or 5 times. Pour the seeds into a fine mesh strainer to remove as much liquid as possible. Then, spread the seeds out on a plate to dry completely. This may take a few days. When the seeds are dry, store them in the freezer in an air and water-tight container. Oh, and make sure you label them. You'll want to know what you're planting next spring.

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Comments

detox kit's picture

do they need to be stored in the fridge or can they just be left in a paper evelope?

meg's picture

I would store them in a paper envelope inside a plastic bag in the freezer. You want them to be as airtight as possible and preferably stored in a cold place.

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