Colutea- Bladder Senna

A deciduous shrub which develops unusual bladder-shaped seed vessels, which explode when pressed.

Situation:

A strong shrub which tolerates shade and is usually planted under trees or as infilling. After a few years the shrub is cut down or dug up. In very large gardens it can remain where it is.

Soil:

Will grow in any type of soil.

Propagation:

Sow out of doors, in late spring. The young seedlings soon need replanting, at which time the long taproot must be cut back drastically.

Colutea arborescens: Height 2-3 m; yellow flowers in short clusters in late spring to early autumn; they are followed by the seed vessels.

Colutea X media: A hybrid, height 3 m; orange to brown-red flowers in late spring to early autumn, followed by elongated seed pods, milky white in colour.

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