The Black Knight Butterfly Bush (Buddleia davidii 'Black Knight') is a striking deciduous shrub known for its deep purple-blue flower spikes and graceful, arching form. Blooming from mid-summer into early fall, this variety is particularly eye-catching due to the intensity of its flower color, which contrasts beautifully against its gray-green foliage. Growing to a mature size of about 4 to 6 feet tall and wide, it's a great choice for mixed borders, pollinator gardens, or as a stand-alone specimen. True to its name, ‘Black Knight’ brings a bold, dramatic flair to the landscape while attracting butterflies, bees, and hummingbirds in abundance.

This butterfly bush thrives in full sun and well-drained soil, performing best in areas with hot, dry summers. It’s drought-tolerant once established and generally low-maintenance, needing only a hard prune in early spring to encourage vigorous new growth and flowering.

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