USDA: 8-10
Frost Tolerance: Top will resist a frost in the 20's (down to 7°C), at a lower temperature, the top might be killed, but the shrub will regrow
Heat Tolerance: Water every 2 weeks in summer in Phoenix
Sun Exposure: Full sun
Origin: USA (Texas, New Mexico, Arizona), Mexico (Chihuahua, Tamaulipas)
Growth Habits: Evergreen shrub, up to 3 to 6 feet tall (90-180 cm), 2 feet wide (60 cm); pubescent stems; pinnate leaves, 4 to 8 pairs of leaflets, 1 to 2 inches long (2.5-5 cm), 0.4 to 0.8 inch wide (1-2 cm), pubescent underside, making them appear like silvery velvet
Watering Needs: Infrequent watering when established
Propagation: Seeds
Poisonous to cattle.
Blooming Habits:
Yellow flowers in summer and fall, from June to November.
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