Delphinium
- Botanical Name
- Delphinium x elatum
- Hardiness
- Zones 3 to 7
- Height
- 4 to 6 feet
- Width
- 2 feet
- Flowers
- Early to mid summer: blue, white, purple, red, pink, yellow
- Light
- Full sun
- Soil
- Moist, well-drained
- Planting & Care
- Space plants 24 inches apart
- Avoid wet feet in winter
- Protect from wind
- Deadhead for repeat bloom
- Stake tall varieties
- Divide annually for longevity
- Problems
- Crown rot, powdery mildew, mites, aphids, borer, leaf spot, botrytis blight
- Varieties
- New Millenium Hybrids - 4-6', sturdier stems and better winter survival
- Mid Century Hybrids - stronger stems and less mildew (Ivory Towers, Moody Blues, Rosy Future, Ultra Violet)
- Delphinium x belladonna - 3-4', highly branched, more flower stems and hardier
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