Friday, January 6, 2012

Jim’s Row Cover Protects Kale into January

Jim pulls back row cover that protects kale

After Irene M. of Columbia noticed a mention of row covers in my recent posting about my mini-greenhouse, she sent me an email note: “Jim has had a row cover on kale and it is going strong.”

Irene, a Howard County Master Gardener, wrote that note several days before temperatures dipped into the teens here in Central Maryland.  Temperature was 13.3°F here at Meadow Glenn at dawn Wednesday, the day I had arranged for Ellen and me to visit Irene and Jim to check out his row cover –and to see her pesebre.

“I’ve never grown kale before, but in October I saw some plants at Frank’s Produce and Greenhouse,” Jim said.  “I thought I’d buy them and see what happens.  Most fell over after I planted them, but soon their leaves turned up and resumed growing.  When the weather got colder, I thought I’d extend their growing season by giving them some protection with a row cover.”

Jim said the temperature Wednesday morning at their home was 17°F.  He hadn’t yet checked to see how his kale had weathered the cold, but when he pulled back some of the row cover from its PVC support hoops, the kale appeared in perfect condition—ready to cut and take into the kitchen.

Jim's kale thrives under row cover even
when temperatures drop into teens
“I use the row cover in the spring also,” Jim said, “to protect my early vegetables from late frosts.”

A row cover is a very light synthetic fabric, often described as “gauze-like,” that gardeners drape over plants.  The ultra-thin fabric lets in sunlight, air, and water but, when properly installed, excludes insects and other pests.  In cooler weather it can create a warmer micro-climate that helps protect plants from the cold.  The fabric comes in various lengths and widths and can be used in a variety of ways.  Jim’s row cover forms a protective tent over his raised bed of kale and onions.

Here are two sources where you can learn more about row covers.  To view the first, a short (<4 min.) University of Maryland Extension Home & Garden Information Center video, “How to Use a Row Cover in Your Vegetable Garden, CLICK HERE.  For the second, a print article with more than 20 explanatory photographs, “Stink Bug Barrier for Tomato & Pepper,” in a Maryland Home & Garden newsletter, CLICK HERE.

This posting is about row covers, but I did mention Irene’s pesebre.  A pesebre is a traditional Nativity Scene with roots in Spain.  Irene continues a family tradition started by her father 60 years ago.  To see the 2010 setup of her pesebre, CLICK HERE.

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