Golden Shower tree, Purging Cassia

Cassia fistula (Golden Shower Tree or Purging Cassia) is a late spring to mid-summer bloomer (with the heaviest blooming in June) that puts on a massive golden yellow floral display. The fragrant flowers are very attractive to bees and butterflies. The plant is native to S.E. Asia, Pacific Islands, Central and South America.

Plant Facts:

Common Name:   Golden Shower Tree, Purging Cassia

Botanical Name:   Cassia fistula

Family:  Fabaceae 

Plant Type:  Deciduous in winter and during droughts

Origin: S.E. Asia, Pacific Islands, Central and South America

Zones: 10 - 11

Height:  25 - 40'

Rate of Growth: Fast

Salt Tolerance: Medium

Soil Requirements:  Deep, well drained, moderately fertile soil

Water Requirements: Medium drought tolerance

Nutritional Requirements: Balanced liquid fertilizer monthly

Light Requirements: Full sun

Form:  Spreading tree

Leaves:  Bright green to 24" long

Flowers: Bright golden yellow

Fruits: Pods 1 - 2' long

Pests or diseases:  None major

Uses:  Specimen plant, Shade tree

Bad Habits: Flowers attract many bees and butterflies

Cost:  $$ -- Very reasonable

Propagation:  Seeds, allow to soak overnight before planting, root semi-ripe cuttings in summer

Sources:  Tropical Look: An Encyclopedia of Dramatic Landscape Plants;Flowering Trees of Florida; American Horticultural Society A-Z Encyclopedia of Garden Plants