Delphinium grandiflorum Summer Cloud


Chinese Delphinium, Larkspur

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Plant Code: DESU

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A sweet edger! Creamy buds open to abundant gentian blue flowers with white centers clustered on the open branching habit; blooming earlier and with better heat tolerance than many taller hybrid Delphinium.

The blossoms on Delphinium grandiflorum resemble classic Delphinium, but are not produced on a tall spike. Never needs staking.


Type: Perennials
Height: Short 12"
Spacing: Plant 12" apart
Bloom Time: Early Summer to Late Summer
Sun-Shade: Full Sun to Mostly Sunny
Zones: 3-8   Find Your Zone
Soil Condition: Normal
Flower: Blue
Accent: White
Pot Size: 3.5" square x 4" deep

Features to Note

  • Beneficial for Pollinators
  • Attracts Butterflies
  • Good for Cut Flowers
  • Attracts Hummingbirds
  • Rabbit Resistant

Delphinium General Information

Delphinium grandiflorum tend to be more heat tolerant then the traditional taller hybrids. Needs good drainage. Delphinium are elegant and exquisite with colorful flower spikes that add a majestic touch to your garden. A choice flower for the hardy border.

Delphinium Plant Care

As with most delphiniums, a moist, rich soil is needed and regular feeding and watering are recommended. Lanky or bent stems can be cut back by one half to force new growth at the base. As with Digitalis and Lupines, cut off most faded flowers so they do not exhaust themselves in seed production. Allow some self seeding to ensure future generations.