Silvery cassia

Senna phyllodinea


Silvery cases is a medium to large evergreen mounding shrub with a flexible branching habit, 4-6 ft. high, 5-8 ft. across. Distinctive flattened foliage is comprised of 2-3 in. long silver-gray phyllodes; showy yellow flowers occur from mid-winter into spring.

This species comes from dry inland plains of Australia where it grows in rocky soils and tolerates heat and drought. It is hardy to 20ºF and well adapted to hot and dry conditions throughout the Inland Empire in sunny aspects. It provides year around foliage accent value in southwestern and Mediterranean style gardens, and intensive display of flowers following winter rains.

Plant Type: Shrub
Foliage Character: Evergreen
Habit: Mounding
Growth Rate: Fast
Flower Color: Yellow
Flower Season: Winter, Spring
Soil Adaptations: Well-draining soil, Rocky soil
Exposure Adaptations: Wind, Heat, Frost, Drought, Aridity, All day sun
Function: Wildlife value, Residential spaces, Raised planters, Parks and open space, Grouped, Foundations, Flowering accent plant, Commercial spaces, Borders, Banks, Background plant, Attracts bees, Attracts butterflies
Height: 3 ft. – 5 ft.
Width: 4 ft. – 6 ft.