Bladder Senna is a deciduous shrub with yellow flowers and distinctive inflated seed pods. It is used ornamentally and for hedging. The plant is also known for its traditional medicinal uses. Inputs Hardiness zone 41 Hardiness zone 51 Hardiness zone 61 Hardiness zone 71 Hardiness zone 81 Outputs Medicinal use1 Type Plant Shrub1 Deciduous Functions Nitrogen fixer2 Soil stabilization1 Attracting bees1 Footnotes Colutea arborescens | Plants for a Future ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 Gaia’s Garden - A Guide to Home-Scale Permaculture, 2nd Edition Table 6-3 ↩