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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.

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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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Thursday - March 10, 2011

From: Leander, TX
Region: Southwest
Topic: Transplants, Trees
Title: Problem with Arizona Ash in Leander TX
Answered by: Barbara Medford

QUESTION:

What would make my otherwise healthy Arizona Ash tree, that was doing so well last year, only bud out on just one side?

ANSWER:

What can be wrong with your  Fraxinus velutina (Arizona ash)? Let me count the ways. Here are article from several sources on the things that can happen to an Arizona Ash:

Texas A&M Aggie Horticulture Arizona Ash

Howard Garrett "The Dirt Doctor" Pest and Disease Control Forum

Ohio State University Ash Borers

Since we don't know when nor how your tree was planted, we would also add the possibility of transplant shock, which often occurs when a woody plant is planted during hot weather, put into clay soil with no amendments to improve drainage, or damaged and even root-bound in the nursery or during transplant. If it's an old, well-established tree it may be nearing the end of its lifespan; ashes are fast growing, short-lived trees that are susceptible to many pests and diseases. You could have a trained and certified arborist look at it and make recommendations, or contact the County Extension Office for either Travis or Williamson County.

 

 

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