Botanical Name: Senna didymobotrya (Cassia didymobotrya)
Common Name: Popcorn plant, Nairobi senna
Type of Plant: dicot: shrub
Character evergreen
 
Habit of Growth:
Overall Shape upright to sprawling, loosely branched, rangy, irregular canopy
Height 4-8'
Spread 10-12'
Growth Rate rapid
 
Environment:
Exposure outdoors full sun
Soil prefers well draining, drier soils
Hardiness some frost (zones 13, 22-24), best near coast
 
Morphology:
Leaves even pinnately compound, alternate, leafy stipules, leaf 8-16' long, 8-16 pairs of leaflets, oval, 1-2" long, mucronate apex dark green
Flowers bright yellow, butterfly shaped, showy, December-May – scented like popcorn
Fruit flat, oblong pod, 3-4" long
 
Propagation:
seed, scarification needed
 
Usage:
fast growing filler or background for late winter -spring flower display, good for dry, sunny locations, subtropical landscapes
 
Landscape Care:
Watering occasional deep soak, avoid overwatering
Fertilizing little needed after established
Pruning head back, thin out dead wood in summer after blooming
Pests/Diseases relatively free – ants are attracted to flowers
Special Conditions/Other
 
Origin: East Africa
Family: Fabaceae

Notes:
 
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