Maple Tree Care

Maple Trees

Maple trees are a sturdy, well-regarded species. If you are planting a maple, we recommend avoiding silver maples as they have brittle branches, tend to have roots that crawl the surface and are more likely to hollow out later in life. Luckily, there are hundreds of other maple varietals that thrive in Denver’s climate.

Maple Tree Health Care

We find that weakened maples can be over-run by aphids, a leaf sucking insect, during the late spring and summer months. On the “soft” maples, cottony maple scale is usually present if there is a lot of honeydew, which can be mistaken for sap.  When the females are laying the eggs, the maple twigs will have what looks like little marshmallows.

 If the maple’s leaves are yellowing, soil compaction or lack of soluble nutrients, can create a condition called chlorosis. We treat this with a chelated fertilization by injection which makes soil nutrients more available to the maple’s roots.  A bark fertilizer called Envirotree, applied during the summer, can also help an under-nourished maple tree.

A young Maple, three years old or less , will be susceptible to sun-scald in the winter. We recommend wrapping it with a commercial tree wrap. Not every arborist agrees that this works but we’ve observed excellent results in our experience.  Maple roots, especially silver maples, commonly run across the ground surface making lawn mowing annoying. Deep root watering during drought could prevent the roots from spidering over the soil in a desperate search for water.

Maple Tree Trimming

Maple tree trimming is crucial to remove dead or diseased wood from the tree. If you trim in late winter the sap will bleed.  Its important to make the correct pruning cuts and not leave stubs when trimming. That is doubly true on a young maple. If not properly pruned, the tree will be more apt to decay. The shape of a mature maple is very hard to change if it hasn’t been trimmed early in it’s life.

If the maple tree is drought stressed and struggling, it is recommended that it be pruned lightly.

Maple Tree Removal

Maple tree removal can be expensive since there are so many branches. Wide branching takes more time to safely piece out and transport to ground-level.  Also the wood is very heavy.  A maple in decline may show signs of dying off from the top, down. If the tree was not planted properly or the drainage is poor, root starvation can occur. Maple trees, specifically silver maples, are one of the most common hazard trees.  Maples, again especially silver maple, are prone to hollowing, which can create a hazard tree situation.

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