Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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.
From: Houston, TX
Region: Southwest
Topic: Trees
Title: Having a problem with my Mexican Plum in Houston, TX.
Answered by: Jimmy Mills
You may be right, but another possibility could be canker caused by either a fungus or a bacteria. Since we are not plant pathologists, I am going to refer you to the Harris County office of Texas AgriLife Extension for help in identifying the cause of the problem.
These two links, one from North Dakota University and the other from ehow.com, have information about cankering in fruit trees.
This article from texasgardener.com has some sort of philosophical musings on losing fruit trees.
Problems with Texas Ash in Cibolo TX
May 14, 2010 - I have a Texas Ash tree I planted two years ago. The tree was 10 feet high with thick foliage. This spring the leaves started falling off after I spread fertilizer on my yard. The end of the branches ...
view the full question and answer
Are hollies toxic?
December 18, 2008 - Can I use holly from my landscaping to decorate food at Christmas?
view the full question and answer
Tahitian gardenias (Gardenia taitensis) salt and wind resistance in Hawaii
February 03, 2006 - Are Tahitian Gardenias salt tolerant? We live on a rocky coastline in Hawaii and we get a lot of salt spray.
view the full question and answer
Possible fungus growing on mountain ash (Sorbus sp. or Fraxinus sp.)
January 20, 2008 - We have a mountain ash with something growing several feet off the ground that looks like duckbills or mushrooms. Can you tell me what is wrong with it. We lost one mountain ash tree to something an...
view the full question and answer
Should hole in escarpment live oak be filled in Austin?
May 24, 2009 - Regarding one of my mature escarpment live oaks: should an old hole (about 8" across) in the trunk (caused by the improper cutting of a branch) be filled? A tree service technician advised me that he...
view the full question and answer
![]() |
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. |