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Monday - May 17, 2010

From: Liberty Hill, TX
Region: Southwest
Topic: Pruning, Seasonal Tasks, Trees
Title: Trimming back freeze damage from Anacacho orchid in Liberty Hill TX
Answered by: Barbara Medford

QUESTION:

When is it safe to trim back what I think is dead wood on my Anacacho orchid trees (that were hit hard this past winter)? Is there any harm done if I cut back living wood?

ANSWER:

Bauhinia lunarioides (Texasplume) is not shown to be growing in this area of Central Texas on this USDA Plant Profile map, but rather south and west of here.

From the webpage on this plant in our Native Plant Database:

"Native Habitat: Canyons & arroyos in limestone hills. Known only from canyons and arroyos in limestone hills in Kinney, Presidio, and Gillespie or Llano counties. Well-drained sand, loam, limestone."

"Conditions Comments: Does best when planted on the south side of a building, protected from winter winds."

We know this tree can and does grow in Central Texas, but the whole state has had harsh weather this year. Since it is not native to this part of Texas and still rather rare, we have very little experience in its habits and problems. Don't try fertilizing, right now the roots are trying to recover from the cold and do not need to be prodded into new growth by the fertilizer. Spring-flowering shrubs bloom on last season's growth and should be pruned soon after they bloom. It could be that you will have to cut it back to the ground because of being frozen back, but you might as well give it time to show some life and not prune during hot weather, always a problem in Texas. Since you have suckers, you know the roots are alive. Make sure the roots are in a well-drained situation; like many desert plants, this one cannot tolerate wet feet. 

From our Native Plant Image Gallery:


Bauhinia lunarioides

Bauhinia lunarioides

Bauhinia lunarioides

Bauhinia lunarioides

 

 

 

 

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