![]() Hand watering, soaker hose or drip applications are best.Do not turn on your irrigation system to water your trees. Water trees once per month when temperatures are above 40 degrees F. ![]() Observe soil conditions to determine when water is needed.Winter Watering Tips (October through March) Winter watering can help save your trees. Without water they may dehydrate and die before spring. Remember - Winter watering in Colorado is very important!ĭuring the winter, some root development may occur, especially for newly planted trees. Avoid constantly saturated soil and begin to taper watering off during the fall.Maintaining mulch helps retain soil moisture. ![]() For evergreens, water three to five feet beyond the dripline on all sides of the tree. The most important area to water for deciduous trees is within the dripline (from the trunk to the outer edges of the trees branches).Usually it’s around one gallon per minute. Time how long it takes to fill a one-gallon container and multiply that time by 15 for a newly planted tree. We recommend watering slowly with a garden hose.For an established or mature tree, water 15 gallons per inch of trunk diameter two times per week. Water approximately 10 gallons per inch of trunk diameter, two times a week.Check the soil moisture at least once a week by digging down 4-inches, approximately 20” from the base of the tree. ![]() Growing Season Watering Tips (April- October) Properly placed and maintained trees are an asset to the environment and to our community. Growing trees here is difficult in wet years, not to mention the challenges in drought years. Healthy trees will live for decades or centuries but many need a little help from you along the way to make sure they thrive.The Colorado Front Range is naturally a semi-arid, shortgrass prairie that would have few trees without irrigation. Spread it in an even layer about 3 to 4 inches deep as widely as possible around the trunk. Mulch will help hold the moisture in the soil. For a young tree, try to deliver at least 10 gallons every time you water. Pour the water slowly on the area all around the trunk. The tree needs the water in the soil, where its roots are.īucket: If a tree is too far from the hose, you can use a bucket. Sprinkler: You can use a sprinkler, but turn it down so the water doesn’t splash on the leaves. Turn the water on just enough so you see beads of water on the surface of the hose. Lay the hose on the soil around the tree. Soaker hose: Another option is to use a porous soaker hose, which will allow water to slowly ooze out of its entire length. The larger the tree, the more time it will take to give it enough water, and the more you will have to move the hose to get the water to a wide area of the roots. Keep moving the hose from place to place until it has dribbled for an hour, or even two hours for a large tree. After half an hour, move it a couple of feet around the trunk. Hose: One option is to turn the hose to a slow dribble and place it on the ground near the trunk. They should be watered near the trunk, where the root ball is. That’s why they can’t store much water and need to be watered often. Newly planted trees and young trees haven’t yet grown a large network of roots. On a mature tree, roots extend far in all directions, but it’s sufficient to concentrate on watering the area beneath the branches. They spread out sideways and most are just a foot or so beneath the surface of the soil. The roots that absorb the water aren’t deep. The best way to water trees is slowly for a long time, so the roots have time to absorb the moisture from the soil as it soaks down. In times of drought, when it hasn’t rained for a month or more, even large, mature trees will need watering. Young trees should be watered regularly every couple of weeks, and more often in dry weather, for at least two years after they are planted. But your watering will make a huge difference in the health and survival of trees when they’re young or when the weather is dry. Many homeowners assume rain will provide enough water for trees. ![]()
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