The fully hardy shrub Buddleja Black Knight is dramatic in appearance and a treat for the butterflies and bees in late Summer.
The very dark purple arching flower spikes are borne in abundance, if planted in a sunny border.
Reaching a height of 6/8ft the shrub will have a straggly appearance if planted in a shady situation.
Late March or early April prune the shrub hard back, about 18″ from ground level just above a healthy bud.
Position – Full sun
Soil – Fertile well drained soil
Height – 6/8ft
Hardiness – Fully hardy
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