Spruce trees are often planted for ornamental purposes. Sometimes they served as Christmas trees, and in other cases they are part of a landscaping project. These trees are hardy in zones 2 to 6 and prefer moist acidic soils. Spruce trees can grow up to 60 feet tall and 20 feet wide. They like full sun and grow in an upright, pyramidal shape.
Because of their height, spruce trees create shade in a yard. This shade can reduce energy costs by blocking the hot rays of the sun from heating parts of the home. In addition, the air around the home stays cooler, reducing the need for as much energy to cool the house using air conditioning.
Spruce trees are often planted as a wind break. Because of their size and branch arrangement, spruce trees can block winter winds and protect a home from the cold. This lowers home heating costs. Exposure to harsh winter wind can make it difficult to heat the home, and more energy is required to keep the exposed area of the house warm.
Full-size spruce trees require a lot of water. Their root system covers a large area. Spruce trees reduce flooding because their root systems absorbs water quickly and reduce runoff. In addition, this keeps the soil from washing away during heavy rains. Finally, the branches and needles of the spruce tree slow the rain as it falls, allowing more time for water to soak into the ground and preventing flash flooding.
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