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

Friday - October 28, 2011

From: Westminster, MD
Region: Select Region
Topic: Invasive Plants, Non-Natives, Trees
Title: Control of Paulownia tomentosa from Westminster MD
Answered by: Barbara Medford

QUESTION:

I have heard that there is a type of herbicide that is to be applied to slashes made in the outer layer of invasive trees such as Paulownia. This type of application is reputed to prevent the little seedlings that sprout from the roots if the Paulownia is simply cut to the ground. Do you have suggestions?

ANSWER:

Let us start by saying there are two things we don't like-the first is the use of non-native plants, such as Paulownia tomentosa, Princess Tree. The second thing we don't like is trying chemical fixes that endanger other plants, animals (including humans) and the environment. From Texasinvasives.org, in which the Lady Bird Johnson Wildflower is an active partner, read this information from the Texas Invasives Database.  Mr. Smarty Plants never recommends plants that are neither native to North America nor to the areas in which they grow naturally. One of the main reasons for this is the possibility of invasiveness, taking over and pushing out natives that are adapted to the climate, moisture and soils of the area.

We do not pretend to be an expert nor to have any experience with the methods suggested but we will refer you to a couple of websites that seem to contain the information to which you are referring:

DCNR Invasive Exotic Plant Tutorial, Species management and control information on Paulonia tomentosa

From the University of Kentucky, Forest Health-Invasive Plant Hit List: Paulownia

We urge you to read all the information on these websites before making any kind of decision, and also to consult with a trained and licensed professional in the application of herbicides. We also frequently recommend that you start with the local Extension office, which may be able to steer you in the right direction on local laws and rules on herbicides. Your office is University of Maryland Extension Office for Carroll Co.

One last word: the best way to deal with an invasive plant is to never plant it!

 

More Trees Questions

How to treat bark damage on oak tree
November 15, 2011 - I have an oak tree approx. 50 ft., live in austin, texas. the tree has dropped bark about 3-4 ft above ground, in a section of 4 inches by 8 inches, and the tree appears dark where the bark was. is ...
view the full question and answer

Huisaches in pots from Houston TX
May 20, 2012 - I have special (and probably weird) affinity to huisaches (acacia farnesiana). As a child I used to admire the three that elegantly guarded our backyard looking almost like fingers reaching for the s...
view the full question and answer

Tree roots under concrete from Ft. Worth TX
February 10, 2013 - We bought a house that has 2 trees (I believe ornamental pear trees) within a concrete patio. I found info that said basically, remove the concrete. We can't do that now (although I have encouraged...
view the full question and answer

Anacacho orchid not leafing out in Georgetown TX
April 18, 2013 - February 2012 I planted 2 4-ft anacacho orchids which did well. This spring, they have yet to leaf out or even bud. There is green, however, when I scratch the stems and some suckers at the bottom of ...
view the full question and answer

Landscaping plant for Austin
September 01, 2011 - Great site! Have gotten lots of ideas. We're about to start construction on a fairly major landscaping project: raised beds/privacy screen. We're at the top of a hill in the Hill Country just wes...
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 | STAFF
© 2015 Lady Bird Johnson Wildflower Center