Exploring the Ozarks Outdoors: freshare.net

Prune Maple Trees Before Leaves Drop

By University of Mo. Extension

First posted on 09-09-2010


The most beautiful landscape trees are those that are kept neatly trimmed and pruned.  While fall pruning is advised for many trees, the maple tree is one exception.

“Because maple trees bleed sap, it’s best to prune when the leaves have fully matured because there will be less sap,” said Patrick Byers, horticulture specialist with University of Missouri Extension.

Byers says to start by removing all the dead or dying branches. This will gives a better idea of what the tree looks like, and how many live branches will need to be cut.

“Decide which branches you’re going to cut before you start.  Look for susceptible branches that are growing at narrow angles to the main trunk, or branches that are rubbing other branches,” said Byers.

To prune large branches, make the first cut on the underside of the branch, about 18-inches from the trunk. This undercut should be about a third of the way through the branch.

Make the second cut on the top of the branch, about an inch further out. Keep cutting the top of the branch until it breaks free.

Once the majority of the branch is removed, cut the stub back to the branch collar, or the swelling at the base of the branch.

“If you leave the branch collar intact, the prune cut will heal better,” said Byers.

For more information, contact the Master Gardener Helpline at the Greene County Extension Center, 417-862-9284.

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