Rent Shop Volunteer Join

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

Thursday - March 27, 2014

From: Austin, TX
Region: Southwest
Topic: Non-Natives, Pruning, Herbs/Forbs
Title: Pruning of non-native oxblood lilies from Austin
Answered by: Barbara Medford

QUESTION:

My Oxblood Lilies flowered quite late last Fall. Their foliage is still very green. Can I cut it down now or do I have to wait until it goes brown?

ANSWER:

From the Masters of Horticulture, here is an article from a Central Texas Gardener on Oxblood Lilies.

 From that article:

"Oxbloods are native to South America.  An early German-Texan horticulturist named Peter Oberwetter is believed to be the first to import the oxbloods from Argentina.  Due to his efforts, the oxblood has been very popular in the areas of Texas originally settled by German settlers.  While they are gaining acceptance around the South and Central US, they have flourished in places like Brenham, La Grange, Independence, Round Top and Austin for the last 150 years."

From another source, we learned that this plant grows natively from Southern Brazil to Argentina. The Lady Bird Johnson Wildflower Center, home of Mr. Smarty Plants, is committed to the growth, propagation and protection of plants native not only to North America but to the place where the plant is being grown; in your case, Travis Co., TX. It therefore is not in our Native Plant Database, which is our authority.

From Louis the Plant Geek, another article on Rhodophiala bifida (oxblood lily). Scroll down the page for a long list of care suggestions, including cutting back.

 

More Non-Natives Questions

Comments on non-native Tecomas from Phoenix AZ
October 11, 2011 - There was a question regarding red Tecomas but I see no way to make a comment directly to that. There are indeed red Tecomas on the market one being Tecoma x 'Bells of Fire' tm and ppaf. I am the ...
view the full question and answer

Non-native, invasive Datura sprouting from compost
September 26, 2005 - Hi, I have a plant growing out of some compost we purchased this spring and no one can tell me what it is. It's about 4 ft. tall, the stem is maroon like rhubarb and it produces 4-5 in. tubular lig...
view the full question and answer

Aggressive Plants in Pleasant Valley NY
September 01, 2014 - Are there any native plants that can out compete Japanese knotweed?
view the full question and answer

Using non-native Red-Tip Photinia as a mulch from Pittsburg TX
March 23, 2011 - Wondering if its ok to use Red Tip Phontinia as a mulch? thanks
view the full question and answer

Failure to bloom of non-native viburnum in Dayton, Ohio
April 30, 2009 - I have a 3 year old Marie's Doublefire Viburnum that has healthy, abundant foliage but never blooms. I do not prune it. What am I doing wrong? Thanks
view the full question and answer

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