Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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.
From: Austin, TX
Region: Southwest
Topic: Invasive Plants
Title: Smarty Plants on Invasive Plants
Answered by: Sage Kawecki
Controlling Pickerel weed (Pontederia cordata) in British Columbia
March 10, 2009 - Hello,
I am emailing from the west coast of Canada, Vancouver, and I have a plant question regarding a species you have listed on your website.
We have recently discovered Pontederia cordata L. Pi...
view the full question and answer
Difficulty with Clay Soil from Palm Bay, FL
August 22, 2012 - I had a very nice little native shady area behind my house for over 40 years, but now it has been cleared except for a 100 foot tall live oak in the center of this raised mound (50' x 80'). I've be...
view the full question and answer
Could lilacs grow in Georgia?
April 27, 2010 - Hi Mr Smarty Pants,
First off, I want to commend you on your promotion of native plants. I am passionately anti-invasive plants (in fact, it was the subject of my master's thesis). That being said...
view the full question and answer
A method for killing nandina and ligustrum with herbicide
October 19, 2012 - Is there an effective herbicide that can be painted on the stumps of Nandina and Wax-leaf ligustrum to keep them from growing back?
Thanks so much!
view the full question and answer
Butterflies attracted by Pink Evening Primrose from Burnet TX
July 30, 2012 - I see information on Pink Evening Primrose that says it attracts 'many butterflies'
Please tell me which butterflies and name them? I've looked everywhere and am just exhausted and frustrated with...
view the full question and answer
![]() |
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. |