Shrubby Senna (Senna wislizeni)

Shrubby Senna
Scientific Name: Senna wislizeni (Gray) Irwin & Barneby
Synonym: Palmerocassia wislizeni, Cassia wislizeni
Family: Fabaceae

Show Larger Picture Recommended Temperature Zone:
sunset: 10-13
USDA: 8-10

Frost Tolerance: Hardy to 0°F (-17°C)
Heat Tolerance: Very high
Sun Exposure: Full sun
Origin: Mexico (Chihuahua, Hidalgo), USA (Texas, New Mexico, Arizona)
Growth Habits: Deciduous shrub, up to 10 feet tall (3 m), 4 feet spread (1.2 m); thorny branches; gray-green pinnate leaves, 3 inches long (7 cm) with 8 to 10 leaflets.
Watering Needs: Little to moderate water when established

The species is named after the Dr. Wislizenus, botanist who collected many cactus and other plants in Mexico in the middle of the 19th century.

Blooming Habits:
The Shrubby Senna bears yellow flowers, 1 inch across (2 to 2.5 cm), in crowded panicles, in late summer.

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