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?


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

Saturday - September 03, 2011

From: San Antonio, TX
Region: Southwest
Topic: Propagation, Vines
Title: Propagation of Crossvine from San Antonio
Answered by: Barbara Medford


I have a new Crossvine (Bignonia capreolata) that has a single seedpod so far. What is the best way to plant it for the best chances for success? It is still green and a very hot August. Do I plant in fall? Spring?


Our Native Plant Database page on Bignonia capreolata (Crossvine) (which read by clicking on link) has this propagation information for this vine:


Propagation Material: Root Cuttings, Seeds , Softwood Cuttings
Seed Collection: Collect the large, woody capsules from late summer through fall when they are light brown and beginning to dry. Seeds remain viable one year in sealed, refrigerated containers.
Seed Treatment: Seed requires no pretreatment.
Commercially Avail: yes
Maintenance: Training to avoid crowding of stems will aid in the formation of flower shoots. Branches can be cut back in the spring to encourage flowering."

As mild a climate as San Antonio has, we believe you could go ahead and plant the seeds in the soil as instructed above or make starter pots, in the Fall after the heat subsides, which we trust it eventually will.

From Virginia Tech, picture of mature seed.


From the Image Gallery

Bignonia capreolata

Bignonia capreolata

More Vines Questions

Native evergreen vine for East Texas
June 21, 2014 - Can you please recommend a native vine (western edge of East Texas in the pines) that will be evergreen and fast growing? It will get about 4 to 5 hours of sun on my moongate. Flowers a plus, but not ...
view the full question and answer

Eliminating evasive Celastrus orbiculatus (Oriental bittersweet)
July 21, 2013 - I have Oriental Bittersweet growing pervasively in my shrub garden, strangling my shrubs and growing into my beautiful Victorian porch. I can't keep up with it! What can I do?
view the full question and answer

Identification of a vine with purple flowers
July 06, 2011 - I'm trying to identify a vine-like plant growing in my yard to determine if it is a weed or should be kept around. It has small purple flowers with a small yellow center, looking like a mini honeysuc...
view the full question and answer

Front Door Vine in Alabama
March 02, 2013 - I live in Birmingham, AL in a large-scale, white brick, French-style home. I would like to have a vine over my front door. I don't want an invasive vine (seed pods that create new vines or attaches t...
view the full question and answer

Identify red-flowering vine in E. Texas
April 03, 2009 - Beside a well on an old homestead in Deep East Texas, there is a delicate vine. The leaves are heart shaped with points all the way around. The flower is a bright red trumpet shaped. I saw an angel ...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.
© 2016 Lady Bird Johnson Wildflower Center