Delphinium Pacific Giants 'Black Knight' is a stunning tall perennial known for its deep purple-black flowers with white "bees" (centers). It's part of the popular Pacific Giants series, which are prized for their impressive height and dramatic flower spikes. Blooms best with afternoon shade in Southern climates and rich, moist, and slightly alkaline well-drained soil. Toxic if ingested.
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Type: |
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Height: |
2.5' - 3.5’ |
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Spread: |
1.5’ - 2’ |
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Spacing: |
2’ |
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USDA Hardiness Zone: |
3 - 8 |
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Culture: |
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Bloom Color: |
Purple |
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Season of Interest: |
MAINTENANCE NEEDS: Medium Maintenance. Water regularly. Deadhead to extend bloom. Susceptible to powdery mildew, blight, crown rot, and leaf spot. Watch for miners, borers, mites, and aphids. Slugs and snails can do considerable damage. Crown rot is inevitable if planted to deep or in poorly drained soils. Water at base and avoid wetting foliage to lessen chance of powdery mildew.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Garden, Rock Gardens, Foundational Plantings, and Containers.
COMPANION PLANTS: Phlox, Speedwell, Coneflower
IMAGES: Norseco, Pacific Giant Black Knight Delphinium, Ball Seed, Pacific Giants Black Knight Delphinium;
*As plants have ranges in appearance they may not appear as the images shown.
