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: San Francisco, CA
Region: California
Topic: Invasive Plants
Title: About Salvia superba
Answered by: Nan Hampton and Joe Marcus
Fighting Sandburs with Bluebonnets in Austin, Planting Bluebonnets in Caliche soil
September 22, 2010 - Mr. Smarty Plants,
In my continuing fight against sandspurs I've decided that if I plant a copious amount of bluebonnets seeds that the foliage will choke out the sandspurs because bluebonnets set...
view the full question and answer
Are non-native Chinese pistache poisonous to alpacas from Galt CA
October 07, 2012 - Are Chinese Pistachio trees poisonous to alpacas?
view the full question and answer
Eliminating smartweed from pasture in Oswego NY
August 28, 2009 - How do I get rid of smartweed in my pasture?
view the full question and answer
Can a mustang grape and an oak coexist in Austin
November 04, 2009 - I have a healthy mustang grape vine growing on an oak in my yard. While the vine provides plenty of good food and a pleasant environment for many birds throughout the year, I feel it is overtaking the...
view the full question and answer
Need to Control Giant Ragweed in Wildflower Field in Austin, Texas
December 11, 2010 - I have an acre pond around my business park planted with several different kinds of wildflowers. I let all the vegetation grow until the first frost, because I have wildflowers that grow throughout ...
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. |