En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

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.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
Not Yet Rated

Saturday - October 29, 2011

From: Austin, TX
Region: Southwest
Topic: Diseases and Disorders, Pruning, Trees
Title: Time to trim oak trees in Austin
Answered by: Barbara Medford

QUESTION:

We have several large oak trees in desperate need of a good trimming. Given that the trees have had a very stressful drought year, when would be the best time to trim them?

ANSWER:

Two words-NOT NOW! Not even now that it has finally cooled off, not now. Here is a previous answer that deals with some of the questions about pruning and prevention of disease; saves us all that typing. You didn't say what kind of oaks you have, and some Texas oaks are more resistant to oak wilt, but it doesn't hurt to be super cautious about these very valuable trees. The stress that all of our area has been under is only adding to the vulnerability of the oaks. We suggest you contact a licensed, trained arborist and schedule a pruning session for sometime between November 15 and January 15, and insist that he paints any wound larger around than your thumb with pruning paint. 

 

More Diseases and Disorders Questions

Giant black and yellow wasp
September 08, 2008 - I live in Elgin, Bastrop County. This Aug/Sept. 2008 has revealed a huge black and yellow striped wasp. What is this creature and where does he come from? I'm a native Texan (Austin County) and hav...
view the full question and answer

Spots on bark of Mountain Ash from Engadine MI
April 30, 2012 - I have a mountain ash that is about 5 years old & have just noticed white, patchy, scaly looking spots on the bark. Is this something to be concerned about???
view the full question and answer

Spots on persimmon tree leaves from Dripping Springs TX
July 10, 2013 - We are in rural Hays County Texas off Hamilton Pool Rd Texas. Large persimmon trees are turning yellow, blackish spots on underside of leaves. What do we do?
view the full question and answer

Problems with Savannah Holly plants in Friendswood, TX.
June 17, 2009 - I have planted 4 savannah hollies in front of my house, two on the left of the door and two on the right. If you are standing in front of my house and looking at the door, the sun rises at the back l...
view the full question and answer

Control of sooty mold from aphids in Crape Myrtle
February 25, 2007 - I have a crape myrtle in my front flower bed that has a sooty black substance on the leaves and trunk. I've done research and understand this is caused by aphids. My question is how do I get the bl...
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center