Snow Is Our Garden's Friend


Life on Itzy Bitzy FarmBack in North Carolina with 4 inches of snow overnight, so thought I would share this blog I wrote last winter while living in the Northeast.

Being a gardener in Massachusetts can be, well, a test of patience for one thing. Having a growing season of only 158 days brings out the creativity, resourcefulness and yes, Good ‘Ole Yankee Ingenuity! SNOW. It is a fact when you live here. Ah, but ever the optimist, as anyone who lives and gardens in Massachusetts has to be, I look for the good in snow.

For one, snow provides insulation that prevents soil temperatures from constantly fluctuating between freezing and thawing. The reason this matters is because these changes cause the water in the soil, and thus the entire mass, to expand and contract. Roots can be damaged, even tossed out of the soil. The same goes for all those fall-planted bulbs.

In addition to preventing frost heave by keeping temperatures below freezing, the snow prevents plants from starting at the wrong time. By the same token, most plants won’t start up in the spring unless they have had exposure to a certain number of days of cold. Snow cover during a prolonged warm spell is a gardener’s dream.

In this regard, it actually can pay great dividends if you pile snow on your garden beds. This is especially so if you are one of those stubborn readers who refuses to apply an insulating cover of mulch over perennials and around trees and shrubs. Remember, we have had winters where we have not had a good snow cover and the frost went down so deep we have had to worry about our pipes, not to mention our plants.

There is something else that happens when it snows: nitrogen is deposited by the snow and absorbed either into the soil food web residing and active at low temperatures or by plants as a result of nitrogen fixation, a microbial activity which, astonishingly enough, can take place even at low temperatures. Even when the soil is frozen, its eventual thaw can result in the absorption of nitrogen.

3/8/2014 7:03:59 AM

Susan, not much snow here this year. Even at the low levels of snow the moisture level has maintained a normal level for the new year. I'm not sure how that can be but when the normal moisture level is only a couple inches and the snow that we have had being very wet and heavy must make a difference. We missed the last couple snows here. It still hasn't really warmed up but the temps are a bit more tolerable being in the 30s now during the day. Next week brings a promise of some 50s and 60s. That's great because I have to get my raised beds ready to plant by the end of march. I really need to move my onions and cabbages outside so I can start my warm weather crops of tomatoes, green peppers and eggplants. Next week is spring break for the public school. My grandson will be home all week so I'm hoping the weather is warm for him to play outside. His disappointment is that although he is home all the neighborhood kids that would normally be home as well have working parents so the kids are at grandma's house during the day which is not in the neighborhood and leaves him without any one to play with until evening. It's the best of times (no school), it's the worst of times (no one to play with). Have a great snow day.

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