Bladder Senna

Colutea —commonly called bladder senna–is a vigorous deciduous shrub grown for its pea-like flowers that are yellow or orange-brown. Colutea is suitable for shrub borders or dry, sunny banks where the flowers will stand out. Colutea grow in moderately fertile soil. They tolerate poor, dry soils, coastal conditions, and urban pollution. Don’t allow seeds to drop or…