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Delphinium grandiflorum

'Summer Nights'

Common Name:
Larkspur
Bloom color:
Blue
Height:
10-12"
Bloom:
May-June
Hardiness:
Zone 3-7
Light:
Sun
Soil:
Well-drained fertile soil

Why you need this plant:        1 1/2 inch flowers cover the lacy leaves. Good branching and naturally compact. Better heat tolerance and earlier blooming then other Delphiniums. 'Summer Blues' is sky blue while 'Summer Nights' is a midnight blue.

 
Planting Info:       Very frost hardy.  Prefer full sun with shelter from strong winds, well-drained soil, fertile soil with plenty of organic matter.   Propagate from cuttings or by division. 

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