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
1 rating

Wednesday - June 06, 2012

From: Austin, TX
Region: Southwest
Topic: Diseases and Disorders, Pests, Herbs/Forbs
Title: Something eating holes in Texas Betony from Austin
Answered by: Barbara Medford

QUESTION:

What pest is eating holes in the leaves of my Texas Betonys? They look healthy but almost all leaves have various sizes of round holes in them. What is the best cure for this? Thanks

ANSWER:

Stachys coccinea (Scarlet betony) - also Texas Betony, is one of those plants that most references regard as "pest free," or "few problems." Obviously, that is not the case with your plant. We did a little further searching with other members of the Stachys genus and discovered that some of them have problems with slugs, snails and whiteflies. For instance, here is a website on Stachys lanata (Woolly Betony) which is not native to North America but widely grown here. We doubt the pests check plants' passports before they start chewing.

If you scroll down that webpage, you will find a section on Problems - Pests: Slugs and Snails. Another reference mentioned whiteflies. Here is what the website on Wooly Betony had to say about the slugs and snails:

"Slugs and snails favor moist climates and are mollusks, not insects. They can be voracious feeders, eating just about anything that is not woody or highly scented. They may eat holes in leaves, strip entire stems, or completely devour seedlings and tender transplants, leaving behind tell-tale silvery, slimy trails.

Prevention and control: Keep your garden as clean as possible, eliminating hiding places such as leaf debris, over-turned pots, and tarps. Groundcover in shady places and heavy mulches provide protection from the elements and can be favorite hiding places. In the spring, patrol for and destroy eggs (clusters of small translucent spheres) and adults during dusk and dawn. Set out beer traps from late spring through fall."

From University of California Integrated Pest Management: Snails and Slugs.

From the same source: Whiteflies

These both seem to involve a moist environment, so be sure you are not overwatering your Texas Betony and providing a welcoming environment for the pests. According to our webpage on Stachys coccinea (Scarlet betony), the plant likes moist soil and part shade, both good environment for the pests we are discussing.

 

From the Image Gallery


Scarlet betony
Stachys coccinea

Scarlet betony
Stachys coccinea

Scarlet betony
Stachys coccinea

More Herbs/Forbs Questions

Cold stratification of Rudbeckcia maxima from Birdeye AR
August 08, 2013 - How long do I cold stratify Rudbeckia maxima seeds that I wild harvested? Can I put them in the freezer instead of fridge? Do I need to make sure they are completely dry before cold strat?
view the full question and answer

More questions about Asclepias spp.
December 24, 2008 - Hi. Thank-you for replying to my message. What does Emory's Milkweed look like? I have been trying to find out, but no luck. Also What Milkweeds did you find for sale as seeds and plants? Does Texas ...
view the full question and answer

Native turkscap failing to thrive in Shiro TX
March 19, 2013 - Dear Mr. Smarty Plants, Two years ago I transplanted several native (not cultivars) Drummond's turkscaps in the proximity of water oaks in the front yard. All get shade and some sun. They seemed to ...
view the full question and answer

Effects of Hedysarum mackenzii from Pflugerville TX
May 08, 2013 - What are the effects of Hedysarum mackenzii?
view the full question and answer

Salvia, geum transplant shock symptoms
July 21, 2006 - I need some help. I transplanted 2 xeriscape plants and they are not doing well. 1 is Pitcher Sage-sorry I don't know botanical name; the other is White Avens. The've grown a lot but all the leave...
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
© 2014 Lady Bird Johnson Wildflower Center