Create ‘Climate Change’ in Your Backyard: Prepare for Frost

Oct. 10, 2012

Create ‘Climate Change’ in Your Garden: Prepare for Frost

Some  folks may remember that first frost came early for central Mississippi last year, at the end of October. While frost is a pleasant milestone of  the
seasons for most people, it can be tragedy for fall gardeners. At  least, without precautions.
Commercial  growers use a lightweight, white material called Agribon to protect their crops from frost. It comes in different thicknesses for ever  greater
frost protection, some as much as 8 degrees below freezing.
You  can order it from any of a number of commercial suppliers online. A 50-foot by 83-inch roll costs about $20 at growerssupply.com.
Unfortunately,  if all you are trying to protect is 4-foot by 8-foot Jim’s Plot, that’s  something of a waste—unless you cut it up and give away what you
don’t  need to friends or neighbors. Get a smaller size (two 14×14-foot pieces for $39.99 at Peaceful Valley: groworganic.com.)
Urban  homesteaders are always looking for a cheaper way to use, reuse or repurpose what’s on hand, so they shouldn’t feel obligated to spend  money to protect from frost when it can be done for free. Such a route  is to use old bed sheets or a light blanket, just enough to keep the  frost off tender shoots.
The  main concern is that the covering must be light so that it doesn’t  crush the plants. If the weather is really cold, rather than just  throwing it on at
night, it should be white or translucent to allow some  sun to penetrate and hold heat if it’s left on during the day. (You  don’t want to smother your
plants.)
Some  farmers use Agribon as a seasonal cover that performs multiple tasks: keeping plants protected from frost; acting like a mini-greenhouse,  holding in solar heat for greater soil temperature; and protecting from  insects. They usually use the lighter weights of Agribon, rather than  the heavy, thick versions. It won’t protect much below 32 degrees, but  it does offer protection from a dip in temperature and/or biting winds.
That  should be enough for any cold snap we might get now. We normally don’t get a hard, killing frost until around the end of November to the first  of
December. As winter approaches, more intensive measures may be  required.
For  example, a simple way to keep winter greens from freezing is to simply take a few plastic soft drink bottles or milk jugs, fill them halfway  with
water, and put them between the rows of your plants. That passive  solar heating will keep the plants from freezing below the level Agribon  alone offers and especially if placed under Agribon with the plants.

Jim PathFinder Ewing is a journalist, author, writer, editor, organic farmer and blogger. His latest book titled Conscious Food: Sustainable Growing, Spiritual Eating (Findhorn Press) is in bookstores now. Find Jim on Facebook: http://bit.ly/cuxUdc or follow him @edibleprayers or @organicwriter or visit blueskywaters.com.

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