Native Plants

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.
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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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Friday - May 25, 2012
From: Littleton, CO
Region: Rocky Mountain
Topic: Diseases and Disorders, Trees
Title: Dying leaves on Autumn Blaze Maple tree in Littleton, CO
Answered by: Jimmy Mills
QUESTION:
I have an autumn blaze maple where for the last two years the left side of the tree turns light green, then brown, and leaves die. The right side is dark green, normal. Is this a water over/under problem or something else? ThanksANSWER:
The Autumn Blaze Maple is a hybrid, and as such falls outside the focus of The Ladybird Johnson Wildflower Center which is to increase the sustainable use and conservation of native wildflowers, plants and landscapes.
Your question has Mr. Smarty Plants asking some questions. Since he can’t see the tree, he can’t tell the left side from the right side. Is the tree growing next to a building or another tree? Does it get full sun, or partial sun? What kind of soil is it in? How much water does it receive? What time of year does this occur?
Answers to all of these could be useful in diagnosing your tree’s problem, so I’m suggesting that you contact the folks at the Arapahoe County office of Colorado State University Extension and see if one of their agents can look at your tree and help you with your problem.
This website of the North Dakota State University Extension fields questions about maples, and may be helpful.
More Diseases and Disorders Questions
New growth on Amur Maple turning black in McPherson, Kansas.
June 29, 2010 - Re: Amur Maple bushes
Approximately 2 yrs old, 4 ft tall. New growth at the end of some branches is turning black. Plants are mulched with grass clippings. We live in Kansas. Thanks for any info....
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Exposed area on native elm in Texas
December 26, 2008 - I have an elm tree starting to show signs of dying. It has an exposed area at the trunk of the tree turning white. When it rains there is a 6-inch strip (the width of the exposed area) running up th...
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Care and fruiting time of pumpkins
October 06, 2007 - This is my first year growing pumpkin. I have a good vine with flowers now & then, but I still don't see a little pumpkin forming. What am I doing wrong?
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Bignonia capreolata with brown leaves in Pennsylvania
April 24, 2009 - 3 year old crossvine leaves brown and dead looking. Will it come back and bud out? Crossvine on fence southern exposure. Crossvine on fence in another area has leaves and are dark green/purple - sa...
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Plants to grow in high zinc, lead and copper soil in Los Angeles
January 24, 2011 - We live on the Westside of Los Angeles and have just been given the bad news that our beds are high in zinc (86.39), lead (45.98) and copper(12.95). Can you recommend some plants that may grow in thes...
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