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How & When to Prune Pin Oaks

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From: Allen Russell
Huntingtown, MD
I have three Pin Oaks in my front yard, about 4 years old. I would like to trim the lower branches in order to get my riding mower under them. What is the best time of year to trim them and is there anything I should be concerned with the trimming.

Extension Message
From: Jay Hayek
Extension Specialist, Forestry
Department of Natural Resources and Environmental Sciences
The best time to prune oak trees is during the dormant season (November through February). Pruning during the “dormant” season avoids potential complications with the fungus oak wilt.

For proper pruning methods, please review the following publications:

If you are not comfortable pruning these trees yourself, then please contact a local certified arborist (check yellow pages or visit

Best of luck

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