This hardy, deciduous summer-blooming shrub bears an exciting array of spectacular purple flower spikes attractive to butterflies. It has an arching, spreading habit and typically grows to 5 to 10 feet tall. May have some die-back in Northern areas.
Tags: Butterfly Bush
Buddleia davidii 'Black Knight'
Category:
Light Requirements:
Full sun
Mature Size:
6-8 ft. tall, 4-6 ft. wide
Cold Hardiness Zone:
5-9
Growth Rate:
Moderate
Foliage Color:
Green
Flower Color:
Purple
Bloom Period:
Summer
Water Requirements:
Moderate, Needs regular watering - weekly, or more often in extreme heat.
Care Instructions
Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed with a general purpose fertilizer before new growth begins in spring. For a formal appearance, shear annually after flowering. Pruning time: fall after flowering.