Bladder Senna

Bladder Senna  (Colutea)

Bladder Senna (Colutea) is a small shrub. The plant has warm yellow and copper colored flowers. Many species are moderately hardy, so cover them well in winter. Bladder Senna likes sun or light shade in normal to dry soil. Ensure good drainage of excess water. Bladder Senna hates acidic soil, add lime if necessary when planting.