Hardiness zones
Sunset 12-24
USDA 9-11
Landscape Use: Informal of clipped hedge, background, screen, xeric garden accent
Form & Character: Evergreen shrub, rounded, open, create feeling of intimacy and openness
Growth Habit: Moderate fast grower to 5' height with equal spread, rate of growth strongly influenced by water availability.
Foliage/texture: Medium green to gray green, somewhat pubescent, 4 leaflets/leaf, leaflets lanceolate to 1" in length; medium fine texture.
Flowers & fruits: Golden yellow pea flowers in late winter to early spring at same time as other Senna species, but not fragrant, dark brown bean pod fruit in late Spring to Summer are unsightly.
Seasonal color: Golden yellow in winter to early spring
Temperature: Hardy to 18oF
Light: Full sun
Soil: Well drained
Watering: Drought tolerant
Pruning: Prune as necessary only after flowering, severe renewal pruning after flowering will rejuvenate, but like other Senna taxa make sure to leave some foliage. Frequent shearing will impact spring floral display as this plant sets flower buds in August.
Propagation: Seed, mechanical or acid scarification of seed coat is required.
Disease and pests: Root rot if soil is poorly drained
Additional comments: This is a wonderful senna that because of its relatively more coarse texture and demure habit should be more used in the smaller garden spaces of xeric Phoenix landscapes. This is a really delightful Australian shrub.
