Host an Event Volunteer Join Tickets

Support the plant database you love!

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
Not Yet Rated

Wednesday - June 27, 2007

From: Austin, TX
Region: Southwest
Topic: Diseases and Disorders, Herbs/Forbs
Title: Restoration of mistflowers suffering from wet season
Answered by: Barbara Medford

QUESTION:

I have planted gregg's mistflower in a bed that receives morning sun and afternoon semi-shade. It was beautiful and covered with blooms and butterflies this spring, but suddenly has become brown and sick looking near the roots and stopped blooming. Should I cut it back to the ground, or just leave it rank looking?

ANSWER:

As I note you are in Austin, you are aware that we have had a very unusual, rainy Spring. We have, in fact, already had more rain than is normal for the whole year. Conoclinium greggii (Gregg's mistflower or palmleaf thoroughwort) is a native of this area and, thus, is probably pretty shocked by all that water on its feet. Many plants of this sort require good drainage, which may mean a raised bed, or at least a soil that water can drain through before the roots of the plants in it drown. However, it's a little late for that for your mistflowers now.

I have always believed that you should never waste a root. First, of course, go ahead and trim back the long, lanky stems and dead flowers, but be sure and leave as many healthy-looking leaves as possible. Hopefully, as the rains come to an end and normal summer dryness sets in, the roots will be able to recover, but they must have leaves for nutrition. Since this plant blooms well into the Fall, perhaps dryer weather will permit it to attract the butterflies again this year. If it does not bloom again this year and appears alive but not flourishing, you might consider transplanting it to another spot where the soil will drain better, but still with the morning sun and afternoon shade you have been giving it. Always transplant in cooler weather when the plants are more dormant. Texas native plants tend to be pretty tough and we can hope these mistflowers will rise to bloom again.

 

From the Image Gallery


Gregg's mistflower
Conoclinium greggii

More Herbs/Forbs Questions

Looking for native plants for a rain garden in Arlington, TX.
March 12, 2012 - I am looking for native Texas plants that would do well in rain gardens. Do you have any suggestions?
view the full question and answer

It's so hot, even the Salvia greggii are sad, in Bulverde Texas
July 28, 2011 - I have several Salvia greggii in large terra cotta pots. The leaves have developed a yellowish tint and are thinning. What is the best process to get them back to full green foilage?
view the full question and answer

Ground cover plants for a shady North Carolina yard
March 20, 2016 - Ground cover erosion control for heavily shaded area in Cary, North Carolina. Current landscapers use strong blowers for leaf control. This blows away any seeds, loose soil and mulch. Tree roots ar...
view the full question and answer

Pruning practices from Austin
May 16, 2013 - I need to do some pruning in my front beds and I know nothing about plants. From what I have been able to identify I have bicolor irises, plumbago, Japanese Aralia. I don't even know where to begin o...
view the full question and answer

Moving School House lilies in Austin
March 02, 2009 - I live here in Austin in zipcode 78729. I have a clump of School House lilies in the back of the garden. I would like to move them to another bed under a tree. Is this a good time to move them? Should...
view the full question and answer

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