Caryopteris × clandonensis 'Dark Knight' (bluebeard 'Dark Knight') brings rich, late-season color when many shrubs are winding down. You will get deep blue to blue-purple flowers that cover the branch tips from late summer into fall, drawing in bees and butterflies. The fine-textured foliage is pleasantly aromatic and gives the plant a soft, airy look all season.

At maturity, this deciduous shrub typically reaches about 24-36 inches tall, with a similar spread, making it an easy fit near the front of a mixed border or as a small accent in foundation plantings. For the strongest flowering and best habit, place it in full sun and provide well-drained soil. Once established, it handles typical garden moisture well, but avoid sites that stay soggy, especially in winter.

Because it flowers on new growth, you can cut it back in late winter or early spring to encourage fresh stems and a full, floriferous plant. Pair it with ornamental grasses, coneflowers, sedums, or other sun-loving perennials for a long season of texture and bloom.

Specifications

• Cold hardiness zone: 6-9 (-10 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun
• Mature height: 24-36"
• Spread: 24-36"
• Attracts: Butterflies
• Fragrant: Yes

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