Over the Fence Urban Farm

Cooperatively farming small patches of Earth in Columbus, OH


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Death (and Rebirth) by Cold Frame Solar Oven

(This post is dedicated to our friends Tim Chavez and Suzanne Csejtey, local masters of solar power.)

I guess I didn’t really check the forecast all that well yesterday morning because I decided to leave our cold frame closed to benefit some seeds I had set to germinate. I wasn’t thinking at all about the sprouts and greens already growing in there. When the temperatures approached 80 degrees, everything baked.

From the overwintered mustard:

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To the new sweet pea seedlings.

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At first I was really pissed at myself for making such an amateur mistake. But then I sat back and looked at what was in the soil and thought about what could be.

Using the cold frame as a seedbed, not just a tool for growing plants when it’s cold, is a concept I picked up from Eliot Coleman and it works. It’s so much easier to keep a 2 x 4′ bed damp for germination than a 27 foot row. And the seedlings are able to stretch out form the start in the ground as opposed to in a plastic cell. (The space under our grow lights is presently overrun with tomato plants so that’s not an option anyway!)

So, I ripped out everything that was left growing – the aforementioned mustards and some lettuces that had been growing in the basement this winter which I moved out to the frame a month ago but were so root-bound they would never amount to much more than they already were, and made a giant harvest salad.

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I added some of the potting soil mix I picked up at the Columbus Agrarian Society and am now using instead of the totally unsustainable coir I was using for seedlings (turns out it is made in Holland from coconut husks grown in Singapore!) and now we’re’m ready to start over again. Spring is all about new beginnings, afterall!


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Seedbed

This past fall we were on a tour at Swainway Urban Farm when our pal Milan, from Peace, Love, and Freedom Farm, asked Joseph Swain who inspires him. It was a great question and without hesitation, Joseph cited Eliot Coleman, the guru of Four Season Farming. I was somewhat familiar with Coleman’s work from articles he published in Mother Earth News, but we promptly checked a few of his books out from the library and haven’t looked back.

In Four Season Harvest (1999), Coleman offers advice on sowing seeds and raising seedlings in the coldframe. Knowing full well we are in for a few more weeks of very cold weather, we decided to give his method a try today as temperatures soared above 50. As promised, I picked up a soil thermometer and found the soil was fluctuating between 45-60 degrees for the past few days. Perfect for kale, beets, onions, chard…

With the coldframe already cleared of old growth and the soil smooth, we laid a 2-3 inch blanket (about 1 yard) of Happy Frog Potting Soil over all but the small section where we transplanted some seedlings earlier in the week. We set the seeds down in well marked rows and gave them a drink. And now, we wait.

It used to be if I heard the term “seedbed,” my thoughts turned to performance artist Vito Acconci’s (1972) work of that title. If you don’t know it, look it up. (Just be warned, this work is not appropriate for all readers.) I won’t go into it here except to say, that I have new understanding of the term. These seeds are warm and cozy and we’re going to do all we can to keep them that way.

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[Quick note on the transplants. They seem to be doing okay. We moved a few straw bales that were lying around to the west and southwest sides of the coldframe as a windbreak to help these next last few weeks of winter. The transplants aren’t growing as fast as the seedlings still sitting in the kitchen, but they are holding their own, gaining inner strength and waiting to flouirsh as soon as temperatures stabilize. As soon as the grow lights we got are installed, we’ll move some of the guys on the windowsill under there and then they will really start to take off. Can’t wait!]

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Check out our “true leaves!”