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 - July 14, 2012

From: Austin, TX
Region: Southwest
Topic: Pests, Trees
Title: Aphids in pecan tree from Austin
Answered by: Barbara Medford

QUESTION:

Last year at this time (midsummer) everything under the canopy of our 60+ year old pecan tree was covered with a sticky substance--plants, lawn furniture, concrete pool deck..Since we had never seen this before we assumed it had something to do with the severe drought--and the lack of rain to wash things off. However, it is happening again this year. We've asked our tree guy and nursery staff, but no one knows what it is. It does not 'hose off.' Would appreciate advice--even where we might go for help.

ANSWER:

Easy one. We are surprised none of the sources you consulted knew what it was. Here is a recent Mr. Smarty Plants question discussing the reason for the sticky stuff. Another website we would direct you to is the Integrated Pest Management site from the University of California on Aphids. What you need to hose off is the tree; it will wash a lot of the aphids off and they can't get back up so readily. Avoid herbicides because it will likely kill beneficial insects that feed off the aphids.

 

More Pests Questions

Plants good for repelling bugs in Austin, TX
April 18, 2007 - I need help on what type of plants or herbs are good for keeping bugs away from the house and also something that would be good for in the house for bugs?
view the full question and answer

How to Control Pests on Plants for Sale
May 15, 2014 - I am renting a closed spot at a flea market, and am having trouble with several infestations at once, and I am not sure how to control them. I am currently having trouble with aphids, whiteflies, and ...
view the full question and answer

Worms in non-native snake plant from Hillsborough NC
September 17, 2011 - I purchased a snake plant this summer for my screened in porch. I did not repot it and left it in the plastic pot in came it. I was about to repot the plant to bring it in and noticed there are worm...
view the full question and answer

Discouraging rattlesnakes in northern California
July 12, 2011 - Searching for information re: managing your garden to discourage snakes, especially rattlesnakes. I live in northern California and we have many. I found one of your articles, but the link to an U. of...
view the full question and answer

red maple bark damage by squirrels
April 15, 2011 - We have two acres of land, largely covered by various oaks and cherry laurels -and, after many hours of cutting down chinese tallow trees..finally some red maples. Our problem is that we also have a s...
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