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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Monday - June 22, 2009
From: Colorado Springs, CO
Region: Rocky Mountain
Topic: Non-Natives
Title: Non-native. Why are my potted Royal Empress trees dying?
Answered by: Joe Marcus
QUESTION:
I have purchased several Royal Empress trees over the past two years. Why won't they grow? Some sprouted leaves and then died while in the pots I planted them in. While others, that are 2 years old won't grow more than a foot the whole year. Help?!*ANSWER:
We know this is going to seem like a strange answer, but count yourself blessed. Royal Empress tree, Paulownia tomentosa has far more bad habits than it has endearing attributes. Above all, we think you should remove your Royal Empress trees and plant something less likely to cause you problems in the future. Several previous questions and answers to Ask Mr. Smarty Plants deal with the consequences of growing this invasive species:
Invasive, non-native Paulownia
Information about Invasive Paulownia Tree
Dead-appearing Royal Paulownia trees in Manteno, IL
Fast growing, possibly invasive trees for South Carolina
If, after reading of the horrors of owning one of these trees you still want one, you might contact your county's Cooperative Extension Service agent for advice. Growing trees in pots is tricky, especially in Colorado where the roots are very prone to freezing. Perhaps that is the issue with your trees.
More Non-Natives Questions
Care for a non-native Syringa vulgaris (lilac)
February 19, 2008 - I inherited a lilac bush when I bought my house. It grows in a bed right in front of the house but grows away from the house, not in a straight up and down manner. This winter we had a 12" snow fall ...
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Saving non-native sempervivum from accidental weed killer application from Nashville TN
June 15, 2012 - How to save a 'Live Forever' plant that had weed killer put on it by mistake.
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Removal of non-native zoysia grass from Burgettstown PA
September 12, 2013 - What is the most effective method of killing zoysia grass? We bought a house that sits in the center of four acres of mature zoysia. It looks beautiful, however, despite our best efforts at "weeding...
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Information for native garden in Guadalajara, Mexico
July 24, 2006 - I am trying to start up my native garden in Guadalajara Mexico but have not been able to find many databases or info. Any advice or suggestions?
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Protecting a non-native Meyer Lemon from Freezing in Austin
January 05, 2013 - What is the best way to protect my Meyer Lemon tree from freezing Austin weather? It has been planted in my yard for 1 year and is about 4 feet high
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