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Plant Selector Guide
Delphinium elatum (Delphinium, Larkspur)

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Plant Type: Perennial
Uses: Cutting Bed, Border, Ornamental
Propagation: Root Cuttings, Seeds, Stem Cuttings, Division
Habit: Upright
Light: Full Sun, Part Shade
Flower Color: Various
Blooms: Summer
Width: 2 ft.
Height: 2 - 8 ft.
Fertility: Rich
Soil: Alkaline, Moist
Zone: 4 - 8

Hardy Perennial. The tall flower stalks of D. elatum have an extensive range of bloom colors (white, lavender, pink, many shades of blue) to choose from according to the cultivar you select. These gorgeous flowers do well in England's climate, but they are difficult to grow in many parts of the United States. Where cool nights and warm days promote their strong growth, delphiniums are perfect tall plant for the rear of the border. When the primary flowering stalk is cut for flower arrangements, a second flowering on shorter spikes usually follows. You should stake all stems over 2 feet tall. Delphiniums, in general, grow best in cool climates. This perennial needs well-drained, rich soil that has been supplemented with organic matter. Seeds and young plants can be poisonous if ingested. Delphiniums are prone to a number of pests and diseases, especially snails and slugs. Protect plants by trapping pests in a shallow pan of beer. Provide good air circulation and try to plant cultivars that are pest and disease resistant.