Landscape Logic: Snowfall and plants: Winter water | VailDaily.com
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Landscape Logic: Snowfall and plants: Winter water

Becky Garber
Daily Correspondent
Vail, CO Colorado

What a difference a year makes.

This year, the amount of snowfall in February broke the record, and in some areas, we haven’t seen the ground for how long? What does all this snow mean, anyway?

Winter watering. This year, we’re probably off the hook for needing to do winter watering. If we have normal precipitation in March, trees and other plants will most likely be fine until irrigation systems are turned on.

Snow and lawns: Grass covered by snow for long periods is susceptible to snow mold – a fungus problem. Applying fungicides won’t cure the existing fungus, but it can keep fungus from spreading.

If you see problems in the lawn, call in a pro for an evaluation before applying any products. Depending on the problem, cultural means such as aeration and proper watering may be all that are needed.

Hot, dry conditions invite turf mites, so even in our wet year, it’s important to monitor all turf that faces south or west, particularly on slopes. You may need to water these areas to keep moisture levels up and mites at bay.

Wet soils plus high winds equal fallen trees

Again this week, many more trees have hit the ground due to extremely high winds. The soil is soft due to all of the moisture, and this creates instability for trees assaulted by raging winds.

Evergreens, due to their dense foliage and, in some cases, more shallow root systems, are very susceptible to these conditions. If you are planting new trees this year, think about placement. The east side of a property, for example, is generally more protected from winds.

Deciduous trees, even without their leaves, can still blow over when wet soils and high winds create the perfect storm. Trees that have not had their crowns properly thinned, or trees that naturally have more branches and twigs, will be more susceptible to blowing over because they have more mass for the wind to push against. For these trees, the wind is blowing more against them than through them. Reducing the mass in the crown to help prevent blowing over is a major reason to keep deciduous trees pruned properly.

Other factors in the “soil plus wind equals fallen tree” equation:

• Leaning. Trees that are leaning from previous winds or other factors will be more likely to blow over. If you have leaning trees, take precautions if their falling could create damage.

• Retricted root areas. Trees planted in small areas, such as between a sidewalk and curb, often have little space for their roots to spread and take good hold underground. That can increase likelihood of falling. When selecting trees for tight areas, get professional advice on varieties that are best suited to a small growing space.

• Slopes. Trees planted on slopes that lean away from the wind are also more susceptible to blowing over. Be aware of risks if trees on slopes could fall on buildings or other property. When planting on slopes, take this factor into account.

Need help assessing the turf and trees in your yard? Find a professional among Associated Landscape Contractors of Colorado’s members located in six chapters statewide.

Becky Garber is member of the Associated Landscape Contractors of Colorado of which Neils Lunceford, a landscaping company, is a member. You may contact them at 970- 409-8945.


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