Buddleja davidii 'Black Knight'
Variety of Buddleja with dark purple flowers. It grows vigorously, should be pruned in March, and is resistant to the sea and pollution.
Growth SpeedVery Fast
ExposureSun
Minimum Temperature-20 °C
Flowering MonthsJuly, August, September
Soil TypeHumid, Drained, Neutral, Calcareous, Sandy, Clay, Arid, Acid
Leaf PersistenceDeciduous
Leaf Colorgreen/grey