Colutea
Common name; Bladder senna
A hardy deciduous flowering shrub, that is grown chiefly for its attractive seed pods.
It can grow to around 2.5metres (8ft) high with a similar spread, and racemes of yellow pea-shaped flowers appear from June till September.
The flowers are followed by 75mm (3”) long pale green pods, that later flush red or copper.
Week 10; Sow seeds in trays of seed compost and grow on at a temperature of around 8°- 10°C (46°- 50°F)
Prick out into 100mm (4”) pots of potting compost when large enough to handle and place in a cold frame until planting out time
Week 13; Remove weak and thin shoots and cut back strong branches to within a few buds of the old wood.
Week 16; Pot on rooted cuttings taken the previous year into 100mm (4”) pots of potting compost.
Week 36; Take heel cuttings 70-100mm (3”-4”) long from ripe lateral shoots, and insert them in equal parts (by volume) peat and sand in a cold frame to root.
Week 40; Plant out seedlings / cuttings in ordinary garden soil in a sunny position anytime from now until March.
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