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

Monday - August 22, 2011

From: Kerrville, TX
Region: Southwest
Topic: Invasive Plants, Non-Natives, Shrubs
Title: Pruning drought-stressed butterfly plants from Kerrville TX
Answered by: Barbara Medford

QUESTION:

Due to the drought, our butterfly bushes have dead branches. Ordinarily we prune the dormant plants in winter, but can we cut back dead branches now?

ANSWER:

According to this USDA Plant Profile map, Buddleja marrubiifolia (Woolly butterflybush) grows natively only in far southwest Texas. While you may have a native plant in Kerr County, we think it is more likely that you have a non-native member of the Buddleja genus, such as Buddleja davidii, discussed in this Floridata article.

Since both are woody shrubs, we think the pruning descriptions should be the same. From Mountain Valley Growers, here is an article on Butterfly Bushes. As to whether you can cut back the dead branches now-if you want to get out in the sun, heat and drought now, you certainly can prune the dead branches away. 

Pictures of Buddleja davidii from Google.

 

From the Image Gallery


Woolly butterflybush
Buddleja marrubiifolia

Woolly butterflybush
Buddleja marrubiifolia

Woolly butterflybush
Buddleja marrubiifolia

More Non-Natives Questions

Growing pecan and fruit trees near Canyon Lake, Texas
July 07, 2014 - I just bought a property on the north side of Canyon Lake in the Hill Country of Texas. Most of the trees around are cedar, and a few live oak. I know I have seen beautiful Pecan trees as well as seve...
view the full question and answer

Low temperature non-native Bauhinia variegata can withstand in Florida
March 13, 2009 - I have a Bauhinia variegata,I reside in Florida. What is the temp it can withstand in winter? And if it is below freezing, what can be done to protect them from freezing?
view the full question and answer

Queen Palm Fertilization in Arizona
March 06, 2012 - I placed standard Miracle Grow in a root feeder device and inserted into the ground around all of my Queen Palms. Why have they taken a turn for the worse (furled tips on all new branches) Can you ov...
view the full question and answer

Non-native Meyer lemon problems in Dripping Springs, TX.
July 02, 2014 - I have a Meyer lemon that looks very sick. The leaves, limbs, and fruit all have brownish gold raised spots that are the size of a pin head. The spots on the leaves seem to run along the center of t...
view the full question and answer

Insect pest on non-native dwarf apply tree in Utica MI
June 02, 2011 - I have a dwarf apple tree that bears 5-6 different kinds of apples. I am having trouble with insects; what is a good choice for this and feeding it? Is there also a organic choice?
view the full question and answer

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