Rent Shop Volunteer Join

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

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
1 rating

Friday - May 17, 2013

From: Mooresville, IN
Region: Midwest
Topic: Plant Identification, Problem Plants
Title: Identity of and how to get rid of plant in planter in Indiana
Answered by: Nan Hampton

QUESTION:

We moved to Mooresville Ind. (Brooklyn area) 3 yrs ago. In one of the 12x12 planters out back, these one THINGS keep cutting back and spreading everywhere. They are tall, hollow stem, seems like there is water in the stem and they break off easily. I can't get rid of them. They keep spreading,even grow from under the planter out to the grass. What are they and how do I get rid of them? No flowers, just greenish/reddish leaves and are a pain in the butt.

ANSWER:

Your description doesn't bring to mind any native plant in your area and the fact that the plants are growing in a planter suggests to me a cultivated nursery plant (not a native plant) introduced from elsewhere as an ornamental.  Our focus and expertise here at the Wildflower Center are with plants native to North America so you really need to ask someone else about your plant's identity.  The best way to determine its identity is take digital photos of it—the entire plant, a closeup of the stem to show how the leaves are attached and a closeup of the leaves to show their shape.  Next, you should visit our Plant Identification page where you will find the link to several plant identification forums that will accept photos of plants for identification.  Once you have learned its identity, you can search the internet to learn how to control it.

Alternatively, if you don't really care what it is but just want to get rid of it, you can:

1.  Dig up the roots and dispose of them in the garbage; or

2.  Cut the stems off near the bottom of each stem and, using a small foam brush, immediately paint the cut surface connected to the roots with an herbicide (such as RoundUp).  It is important to paint the cut area immediately because the plant's defense system will quickly seal the cut surfaces making it harder for the herbicide to penetrate.  You may have to do this several times before the roots die.  Be careful not to get the herbicide on plants you want to keep and read and follow the personal safety instructions on the label of the herbicide.

 

More Problem Plants Questions

Prevention of algae scum on standing water
December 16, 2007 - Because your answer to a previous question has resolved an "issue" referent to proper care of our cordgrass plants, I'm back to ask your advice. The pond behind our condominium complex is man-ma...
view the full question and answer

Eradicating Cucurbita foetidissima (wild gourd) in California
August 23, 2013 - I live in San Diego County where the wild gourd/stink gourd roams freely and quickly. Any suggestions on how to eradicate. It is extremely invasive and nothing has worked! Thank you,
view the full question and answer

Why is my Texas mountain laurel growing so slowly?
July 22, 2015 - I have a Mountain Laurel, Anacacho Orchid Tree and Desert Willow on the northern side of our yard - all three get full sun most of the day. The Mountain Laurel is closer to the east side. The other...
view the full question and answer

Need something to compete with Virginia wild rye in Bristol, TN.
July 29, 2011 - I have been working for 4 years to convert a large area of sunny lawn (150' x 40') to a native woodland planting, using native trees, shrubs, flowers and grasses. Although I used seeds of a variety ...
view the full question and answer

Controlling live oak suckers in Florida
July 20, 2014 - How do I kill emerging live oak sprouts coming from mature tree root system
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.