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Desert Cassia
Scientific Name: Cassia nemophila Walp.
Synonym: Cassia eremophila, Senna artemisioides var. filifolia, Senna nemophila
Family: Fabaceae

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Recommended Temperature Zone: sunset: 11-24 USDA: 9-11 Frost Tolerance: Hardy to 20°F (-6°C), more cold tolerant than Cassia artemisioides Heat Tolerance: Excellent, tolerate reflected heat in summer in Phoenix Sun Exposure: Full sun Origin: Australia Growth Habits: Evergreen shrub, fast growing to 6 feet tall (1.8 m), 6 feet wide; pinnate leaves with 1 or 2 pairs of thin green to grayish-green leaflets, about 1 inch long (2.5 cm) Watering Needs: Infrequent watering when established, every months in the low deserts Propagation: Seeds, cuttings

Cultural Practices:
Fertilize once a year. Prune after winter and spring flowering, but avoid shearing. Overwatering makes the shrub chlorotic (the leaves turn yellowish)

Blooming Habits:
The Desert Cassia has lightly scented, buttercup shaped, yellow flowers from January to April