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Delphinium Species, Chinese Delphinium, Siberian Larkspur

Delphiniumgrandiflorum

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Delphinium grandiflorum by gardengrrl
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Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Info
Genus
Delphinium (del-FIN-ee-um)
Info
Species
grandiflorum (gran-dih-FLOR-um)
Info
Synonym
Chienia honanensis
Delphinastrum grandiflorum
Delphinium bonatii
Delphinium chinense
Delphinium sinense
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
This plant is resistant to deer
Height
18-24 in. (45-60 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Dark Blue
Lavender
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
Patent Information
Non-patented
Propagation Methods

Unknown - Tell us

Seed Collecting

Unknown - Tell us

Regional

This plant is said to grow outdoors in the following regions:

Carrollton, Georgia

Plainfield, Illinois

Indianapolis, Indiana

Jackson, Michigan

Albuquerque, New Mexico

Portland, Oregon

Santaquin, Utah

Cathan, Washington

John Sam Lake, Washington

North Marysville, Washington

Priest Point, Washington

Shaker Church, Washington

Stimson Crossing, Washington

Weallup Lake, Washington

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10 members have or want this plant for trade

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missiguy72
Cookeville , TN (Zone 5b) | July 2011 | neutral

This year I bought 2 Delphiniums. When I bought them they were maybe 3 inches tall. I have had them in my flower bed for almost 2 months ...Read More

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O
offshoot
Oak Park, IL | May 2008 | neutral

Chicago area. Failed to germinate in the garden in 07. Trying again in 08, plus trying starting indoors in vermiculite. Very slow. Si...Read More

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