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Steve's Forestry Blog

By Steve Nix, About.com Guide to Forestry since 1997

Pin Oak in Patio Causing Water Problems

Sunday August 5, 2007
Hi: I have a small patio with a very large, very old pin oak tree. When it rains hard (almost every day now), the surface tree roots are creating a flooding threat by holding large (3-4 inch deep) puddles close to the house against the foundation.

Are there any options for relieving this situation and allowing the water to flow out..without hurting/killing the tree? There are 3 large roots that run parallel to the house (about a 10 foot distance). Maybe a plumber or someone (who?) could...drill through the top roots...drill under the surface roots..any other suggestions? Since I have a raised wooden deck (I'm replacing the boards at this time) over the whole patio area (repeat small), the roots are not a problem for walking, mowing, or other landscaping...they are just holding water too close to the house. I would very much appreciate your comments. - Sue from Houston, Texas

Hi Sue! Pin oaks are just not appropriate for small areas - I repeat - small areas. It is a tree that thrives when given adequate space. You really need to read this:

Reconsider Planting Pin Oak

It can probably be saved but at some expense to drain. Your raised patio is a plus and you were wise to build it.

Any root damage will result in top limb loss and create an avenue for disease to enter the oak. You have a problem that has to be tolerated through wet conditions currently happening in Texas. But if pin oak presents a continued structural problem to the house...well, you know the answer. Sorry...

Pin Oak in Central Park NYC - Photo by Steve Nix, Licensed to About.com

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