Feathery Cassia, Silver Cassia (Senna artemisioides)

Feathery Cassia, Silver Cassia
Scientific Name: Senna artemisioides (Gaud. ex DC.) Randell
Synonym: Cassia artemisioides
Family: Fabaceae

Show Larger Picture Recommended Temperature Zone:
sunset: 8,9,11-16,18-23
USDA: 9-10

Frost Tolerance: Hardy to 15°F (-10°C), but winter frost might eliminate the bloom
Heat Tolerance: Excellent
Sun Exposure: Full sun to light shade
Origin: Australia
Growth Habits: Evergreen shrub, fast growing to 6 feet tall (1.8 m), 6 feet wide; pinnate leaves, 0.8 to 1.6 inches long (2-4 cm), 4 to 8 pairs of cylindrical gray-green leaflets, 0.4 to 1.6 inches long (1-4 cm)
Watering Needs: Little to moderate water, good drainage
Propagation: Seeds (needs boiling water treatment), cuttings

The elegant gray foliage, bright yellow flowers and low-maintenance makes this cassia a common species for residential and commercial properties. It is also a good choice for foundation planting.

Cultural Practices:
Fertilize once a year. Prune after flowering to eliminate the seed pods. Overwatering makes the shrub chlorotic (the leaves turn yellowish). It is also sensitive to Texas root rot.

Blooming Habits:
The Feathery Cassia has lightly scented yellow 0.5 to 0.75 inch wide (1.2-1.8 cm) flowers, in small clusters, from January to April.

Fruiting Habits:
Brown pods 1.6 to 3.2 inches long (4-8 cm), 0.4 inch wide (1 cm).

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