Trailing Cassia

Senna bicapsularis
Categories:
Shrubs  ·  
Desert Shrubs
Light
Full sun
Water
Low to moderate water once established. Water deeply, then allow the upper soil to dry; provide supplemental irrigation during prolonged summer heat.
Size
4-6 ft tall × 6-8 ft wide
Habit
Mounded – spreading shrub
Toxicity
Toxic — Pets
Description
Assuming trailing cassia refers to Chamaecrista rotundifolia (formerly Cassia rotundifolia): a low, spreading plant with rounded leaflets and cheerful yellow flowers. Confirm the botanical name, as common names vary.
Bloom Time
Fall through early winter; often October through January in the low desert
Deciduous / Evergreen
Semi-evergreen
Special Features
Drought Tolerant, Heat Tolerant
Growth Rate
Fast
Growth Habit
Mounded – spreading shrub
Mature Size
4-6 ft tall × 6-8 ft wide
Flower Color
Yellow
Foliage Color
Medium green
Landscape Use
Border / Bed, Groundcover, Pollinator / Wildlife Garden, Trellis / Arbor / Wall
Garden Style
Hedge / Formal, Pollinator / Wildlife
Soil
Sandy / Rocky, Well-Drained
Companion Plants
Angelita daisy, Autumn sage, Blackfoot daisy, Desert marigold, Red yucca
Toxic — Pets
Seeds/pods toxic if ingested
Care Instructions

Light: Full sun to light shade; light afternoon shade can help in Phoenix’s hottest exposures.

Water: Low to moderate water once established. Water deeply, then allow the upper soil to dry; provide supplemental irrigation during prolonged summer heat.

Soil: Well-drained sandy or gravelly soil; avoid compacted soil and standing water.

Mature size: Approximately 6–18 inches tall and 2–4 feet wide; spread varies with growing conditions.

Bloom: Primarily spring through fall during warm weather, with flowering influenced by moisture and temperature.

Evergreen / deciduous: Evergreen in frost-free conditions; may lose foliage or die back during Phoenix winter freezes.

Growth rate: Moderate to fast during warm weather with adequate moisture.