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Shrubby Senna
Scientific Name: Senna wislizeni (Gray) Irwin & Barneby
Synonym: Cassia wislizeni, Palmerocassia wislizeni
Family: Fabaceae
Shrubby Senna (Senna  wislizeni) Recommended Temperature Zone:
sunset: 10-13
USDA: 8-10

Frost Tolerance: Hardy to 0F (-17C)

Heat Tolerance: Very high

Sun Exposure: Full sun

Origin: Mexico (Chihuahua, Hidalgo), USA (Texas, New Mexico, Arizona)

Growth Habits: Deciduous shrub, rounded, up to 5 to 10 feet tall (1.5-3 m), 4 to 10 feet spread (1.2-3 m); thorny branches with dark colored bark; gray-green pinnate leaves, 1 to 2 inches long (2.5-5 cm) with 6 to 10 leaflets, 0.25 inch wide (6 mm).

Watering Needs: Little to moderate water when established, needs good drainage


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.

Shrubby Senna (Senna  wislizeni)

Shrubby Senna (Senna  wislizeni)

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

Fruiting Habits:
Black shiny pods, up to 4 to 5 inches long (10-12 cm).

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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