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Colutea x media
© Deeproot Plant Base
common name: Bladder senna
poisonous or irritant
full sun, part shade
dry soil, moist soil, clay soil, sandy soil, coastal
preferred soil pH: any
minimum temp: -20°C
USDA zone: 5 to 9
Vigorous, open, bushy shrub with pinnate leaves of 3 to 6 pairs of elliptic blue-green leaflets. Orange-brown pea type flowers, sometimes flushed yellow at the centres, in summer, followed by seed pods which are greenish-brown at first, becoming translucent as they ripen.
Easily grown and adaptable to a wide variety of growing conditions. Tolerant of poor and dry soils including chalky ones, but dislikes waterlogging. Can withstand windy sites and tolerant of atmospheric pollution.
Notably resistant to honey fungus.
In common with other plants of this family, has the ability to fix nitrogen in the soil.
Greenwood cuttings in early summer.
Hybrid of Colutea arborescens x Colutea orientalis.
Seeds are poisonous.