En Español

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
2 ratings

Friday - March 13, 2009

From: Austin, TX
Region: Southwest
Topic: Propagation, Pruning
Title: Controlling size of red yucca in Austin
Answered by: Jackie OKeefe

QUESTION:

I have planted red yucca in my backyard, which produces many flowering stalks for the past few years. These red yucca are becoming too large for the area that are planted in. What recommendations do you have for maintaining the size of these gorgeous plants? Can I prune or shear off some of the "ever-green foliage" of the red yucca.

ANSWER:

Hesperaloe parviflora (redflower false yucca) is a real workhorse plant for Austin landscapes. Its long-lasting and attractive blooms, wildlife value, easy-care nature and suitability to our climate and soils make it very desirable in our landscapes. Over time, as you have experienced, the clumps expand and become denser. Far from being a problem, this is an opportunity. These clumps are easily divided and the excess pieces can be moved to other sites, potted up, or given to your budding gardener friends. This solution is preferable to chopping away foliage, which can leave the plant with an unkempt look. 

To divide-a task best done in fall or winter before new growth starts-take a close look at your plant. You should be able to see where the clump has formed new offsets as it grew. These can be dug away with a sharp spade. Each offset will produce a new plant. If more drastic size reduction is necessary, you can dig out the root clump and divide the whole thing. This site, Grow'em Plant Propagation Database, Clump Division, is a good visual of the process. It should be noted that the visuals are of a daylily, Hemerocallis, while the Red Yucca, not a yucca at all nor a daylily, is a member of the Agavaceae (Century Plant) family. Dividing an overcrowded plant gives it growing room again.


Hesperaloe parviflora

Hesperaloe parviflora

Hesperaloe parviflora

Hesperaloe parviflora

 

 

More Propagation Questions

Transplanting Mustang Grapes
June 15, 2006 - What is the best way to grow mustang grapes? We have vines established over the property but up too high to continue to harvest and a couple of young vines on the ground that haven't reached the clo...
view the full question and answer

Seed propagation for Goldeneye Sunflower for Austin
October 30, 2010 - I have been unable to find Golden Eye seed, and am therefore thinking about harvesting seed from existing plants. My question is: At what stage of the development do I make the harvest of fully develo...
view the full question and answer

Few seeds from turkscap in Seguin, TX
November 14, 2009 - I have several Turk's cap plants but most do not produce seed. Any ideas? They have been in place 5 plus years.
view the full question and answer

Adding Wildflowers to Corpus Christi
May 20, 2012 - I have a dry sandy yard, full sun in Corpus Christi with lot's of stickers mostly, want to transform to wildflowers. When should I plant, how should I prepare soil, should I dig out stickers? Which w...
view the full question and answer

Propagation of Chandler's craglily from San Marcos TX
December 16, 2012 - Can you please advise me on collecting and propagating seed from Chandlerís craglily -Echeandia chandleri. I have 2 plants that came from the wildflower center. They never seem to multiply, but they d...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP | STAFF
© 2016 Lady Bird Johnson Wildflower Center