Delgenius Shelby Delphinium is a compact clumping perennial with sturdy stems and frilly dark green palmate foliage. Dense upright flower spikes packed with semi-double lavender flowers with a bright white bee bloom through summer into fall. 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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Perennial
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Height:
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1.5' - 2’
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Spread:
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1.5’ - 2’
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Spacing:
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2’
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USDA Hardiness Zone:
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3 - 8
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Culture:
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Full Sun, Part Sun
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Bloom Color:
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Purple
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Season of Interest:
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Summer, Fall
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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
IMAGE: Concept Plants BV®, Delphinium Delgenius® Shelby ('ET DLP 17-03') PP33,009
*As plants have ranges in appearance they may not appear as the images shown.
