Jared Barnes, Ph.D.’s Post

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I help gardeners cultivate the skills they need to grow.

WINTER WEATHER ALERT! 🥶 ❄️ 🌨️ We’ve got some cold temperatures and winter weather headed our way this weekend. Here’s what I do ahead of a cold snap. HARVEST WHAT YOU CAN. Most cool season vegetables can tolerate light freezes because they convert starches into sugars. Hence the saying that vegetables taste sweeter after a frost. But, once we get into the teens or single digits, freeze damage can occur. So, I harvest what I can. Some things like cabbages can be stored in a cool garage. Carrots, leeks, and spinach are fairly resilient as long as they are covered with floating row cover. I’ve had spinach survive 9°F before. MAKE SURE THAT HOSES ARE DISCONNECTED AND OUTDOOR WATER TURNED OFF. Broken water pipes are no bueno and waste our precious resource. I even bring in watering wands where water can expand and cause leaks. It also helps to drain lines if possible to reduce the risk. I turn off the water at a main, open the highest and lowest elevation spigot I can find, and then allow the water to naturally drain with gravity. Then, close the spigots before turning the water back on. COVER PLANTS. Snow is an excellent insulator. But, if you don’t have any of that forecasted, then floating row covers can help keep the winter winds from desiccating produce. Covers do two things. They protect plants from desiccating winds, and they help to trap a little bit of heat from the soil. In Eliot Coleman’s book The New Organic Grower, he mentioned a grower that covered spinach with pine branches and had 90% survivability. Just make sure they are weighed down well with sand bags or soil! If you don’t have any of those, then tarps, garbage cans filled with autumn leaves, or just piles of leaves work, too. Then, just rake them off and make leaf mold. PROTECT THE NURSERY. Every gardener I know has a stash of plants set aside for planting later. I lay down tall plants and then cover mine with tarps, blankets, or autumn leaves. Sometimes I’ll do a double layer to add an air barrier. Think about putting on a sweater and then a jacket. Heat doesn’t travel well through the air gap between. BRING IN PLANTS AND POTS. In the south, we usually have a few plants sitting around outside. If they are moderately hardy, bring them into the garage or house. Also, empty pots like terra cotta that can absorb moisture can freeze and then crack. So, bring them in, too. If they are dry, empty, and protected, they should be fine. BIRD SEED. I put bird seed out for feathered friends, especially if there’s snow and it’s difficult for them to find food. DOCUMENT. Make notes about how cold it was and for how long. Such details can help you start thinking about what to do different if plants are damaged. What did I miss? #winter #winterready #wintergarden #winterweather #gardening #plants

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