Texas Mountain Laurel, says it's very drought tolerant and can be groomed to be more tree like or shrub like....
use it. Texas mountain laurel is a great pick for a patio or small space due to its human scale and upright form. If you prefer to leave it untrained, Texas mountain laurel will spread nicely to form a landscape screen year-round.
Texas Mountain Laurel...thrives in heat, tolerates to 10 degreesF.
15 to 25 feet tall, 10-15 feet wide
drought and frost tolerant
Botanical name: Sophora secundiflora
Common names: Texas mountain laurel, mescal bean, mountain laurel, mescal bean sophora, frijolillo
names: Texas mountain laurel, mescal bean, mountain laurel, mescal bean sophora, frijolillo, frijolitoUSDA zones: 7 to 10Water requirement: Infrequent Light requirement: Full sun to partial shadeMature size: 15 to 25 feet tall, 10 to 15 feet wideTolerances: Drought, wind, deer and frostCaution: Seeds