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Cassia Senna didymotyra
(African Senna, Peanut Butter Cassia, Popcorn Cassia)

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Image of  the beautiful butterfly attractant, Cassia Senna didymotyra
 

 

Cassia Senna didymotyra
(African Senna, Peanut Butter Cassia, Popcorn Cassia)


Origin:  Native to tropcial Africa
Family:  Fabaceae (Pea)
Light:  Full sun
Height: 7'
Spread:  6-10'
Blooms:  Cluster of 4-8"bright yellow with dark green bracts, late Spring to early Fall
Foliage:  Fragrant, oblong, elliptical, pinnate with 30+ ovate leaves (smells like butter when bruised or brushed)
Seeds: Long, fat seedpod with brown seeds inside
Soil:  Well-drained, drought tolerant
Propagation: Seeds (Sow directly into garden)
Uses:  Ornamental, landscaping , xeriscaping, container
Comments:  Cassia Senna didymotyra or
African Senna or Peanut Butter Cassia or Popcorn  Cassia  is a beautiful perennial shrub with erect spike of glowy yellow flowers.  It's attractive and profuse bright yellow flowers attract many butterflies.  Cassia Senna didymotyra can tolerate minimum temperature of 35degrees F. Cut plant back during flowering as nutrients are richest at this time and use the cuttings as Nitrogen fixers.  Stake young plants due to floppiness.  African Senna is a self-seeder so remove seedpods to prevent volunteer plants next season.  It is a lovely erect shrub for the landscaping garden. Cassia Senna didymotyra makes a great ornamental plant, as a specimen plant in the landscaping garden and makes a terrific addition to the xeriscaping garden. This disease and pest free shrub is popularly grown for its medicinal value and also as a shelter or shade tree.  Cassia Senna didymotyra grows well here in zone 8b.  I love its big, bright gorgeous golden blooms all through Summer.  For colder regions, Peanut Butter Cassia can be grown as an ornamental container palnt and brought indoors for the Winter. 
USDA Hardiness Zones :  10-11