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saving tomato seeds

The process for saving tomato seeds is different than, say, cilantro or marigold seeds like we did on this page.

Ever notice how tomato seeds have a jelly-like substance on them? Sort of goobery? There’s actually a reason for it. That gelatiny goober keeps the tomato seeds from sprouting inside the tomato. Intelligent design!

So in order to save seeds for planting next year, you need to separate them from the goober, and there’s a particular way to do it.

IMG_3984Find a tomato that is your perfect ideal…one that represents all you desire in the tomatoes of your future, and cut it open.

IMG_3986Scoop out the seeds, goober and all.

Put them in a glass jar or dish. A canning jar or old pickle jar would work. Add some water, maybe a cup or so.

IMG_3992Cover it with a paper towel or cheesecloth if you want, and the Damsel says you do want. Because you don’t like fruit flies, and besides, this stuff is going to start stinking. Oh yes. Because you now have to put this aside and let it FERMENT. Fermentation separates the seeds from the goober. It’s going to take 2 to 4 days, so find an out of the way, warmish spot to let this sit…somewhere not right under your nose. Now you must wait. The Damsel hates waiting, has she mentioned?

IMG_4055A layer of mold will form on the top, and the seeds will sink to the bottom. It seems strange to want to grow mold, but press forward. The Damsel has seen pictures of healthy crops of mold with the tomato seed thing, and feels a little disappointed that her jar yielded only a small amount. But it did the job.

IMG_4058If you end up with a big furry thingy of mold on top, lift that off with a fork and get rid of it. Ew! If there’s just a little, don’t bother. Put some more water in the jar and shake to loosen the seeds from any remaining bits of pulp.

IMG_4059Pour off the liquid, and rinse with more water a couple more times. You can use a small mesh strainer if you like. The Damsel didn’t bother because her strainer was busy, and everything seemed to work out okay.

IMG_4060Spread the seeds out on a plate. A paper plate is good. Don’t use a paper towel, though, because the seeds will stick to it and you won’t like it. Nudge the little seeds apart from each other as best you can, and set the plate somewhere warm and dry. Shake the plate at least once a day to make sure nothing is sticking to anything else. This could take a while. Several days. But don’t try to hurry things along with heat, or you might kill the seeds. Just let it be. You’re not in a hurry, anyway, right? It will be 6 months or so before you’ll need these.

When they are completely dry you can put them in an envelope or whatever you like to keep them in until next spring. Your only remaining task is to make sure they don’t get damp, or all your hard mold-growing work will be in vain.

  • http://helenpetersen.blogspot.com hel

    Oh dear. I am so good at growing mold. I grow it often in all the containers that are pushed to the back of the fridge. You would think that the sight of mold wouldn’t affect me anymore, but I still struggle to keep the vomit down when I open up the leftovers containers.

    Do I REALLy have to grow mold for tomato seeds? I just don’t think I am going to do very well during Armageddon – too many of the self-sufficient things creep me out.

    • damsel

      We all have our talents, my dear, and if yours is growing mold then embrace it. **snicker

      I know all about the containers in the back of my fridge, where things go to die.

  • http://thebackorderedlife.blogspot.com DeNae

    Goodness, Damsel! What a groovy website! So awesome, and so the complete opposite of me. When we all head back to Missouri, I choose to be in your wagon train!

    Thanks for the comments over at my place.

    • damsel

      Glad you like da blog. You can sit beside me on the buckboard on the way to Missouri, lol. I’ve been a big fan of your blog for a couple of months now. I’ve heard a lot of buzz about it. I think you’ve cast a spell on us.

  • http://magegirl.livejournal.com/ Kristy

    Does it work for hybrid tomatoes, or is it better to do this with heirloom ones?

    • damsel

      If you have access to heirloom tomatoes, it would be best. Some hybrids won’t grow at all, while some may grow but produce unexpected types of fruit. I have had tomatoes come up volunteer in my garden that I’m pretty sure were hybrid, and did okay, though. Good question!

  • Tracey

    Can I use the seeds in a green tomato that hasn’t ripened yet? I hate to waste a good looking tomato that could be in my tummy.

    • damsel

      Good question…and i don’t blame you for wanting to have that good looking tomato in your tummy. But I’m afraid I haven’t heard of anyone doing that, and I doubt the seeds are mature. Cut that tomato up, scoop out the seeds and THEN put the tomato that’s left in your tummy. lol!

  • http://www.barcodes.co.nz Mia

    Interesting! I am now slightly more enlightened about an area that I don’t know much at all about (gardening and growing things). I love tomatoes so I’ll remember this, and might try to make myself a tomato plant one day. My dad and grandfather grow tomatoes in their home gardens successfully where I live so I know that it is possible ;)

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