Native Plants
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Ask Mr. Smarty Plants
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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Monday - May 13, 2013
From: Manchaca, TX
Region: Southwest
Topic: Diseases and Disorders, Trees
Title: Grey Goo Coming from red Oak in Manchaca TX
Answered by: Mike Tomme
QUESTION:
I have a large Red Oak in my yard that appears to be weeping some sort of grey goo from parts of the trunk. What is this goo and do I need to treat it and if so how? I'm happy to come by the Wildflower center with a photo if someone there could help me.ANSWER:
Grey goo coming from anything is never a good sign. You need to get a certified arborist to look at your tree and it needs to be done as soon as possible. A professional can assess your tree and determine if it is threatened, if it can be cured and if other trees in the area are in danger.
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March 09, 2012 - Dear Mr. Plants,
Halesia carolina is described as absorbing toxic substances: herbicides, pesticides and pollutants from water, air and soil. Does Halesia diptera do the same?
Thank you.
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When do bigtooth maples (Acer grandidentatum) seeds mature and fall?
December 04, 2009 - Hello,
In answer to a previous question, you said that Bigtooth Maple samaras come ripe around August-September. Recently, I went to Lost Maples State Natural Area, and in their display, it says...
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Fast-growing evergreens for privacy in Center, TX
March 30, 2010 - I live in East Texas and am looking for a fast growing evergreen for a privacy screen around my backyard. The area gets partial sun and the soil has a lot of clay in it.
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Problems with Texas Mountain Laurel in Dallas
May 04, 2010 - I have a Texas Mountain Laurel that is about 3 years old. When I bought it 2 summers ago, it was about a foot high. Now it is over 6 feet. It seems to have grown so fast that the branches can't ke...
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Proper time of year to plant evergreens in New York
October 25, 2008 - Dear Smarty Plants,
Is it too late to plant evergreen Thuja, blue spruce and firs in Cleveland, New York?
Vicki
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