Delphinium Species, Chinese Delphinium, Siberian Larkspur
Delphiniumgrandiflorum

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus: Delphinium (del-FIN-ee-um)
Species: grandiflorum (gran-dih-FLOR-um)

Synonym:Chienia honanensis

Synonym:Delphinastrum grandiflorum

Synonym:Delphinium bonatii

Synonym:Delphinium chinense

Synonym:Delphinium sinense

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Sun to Partial Shade

Foliage

Herbaceous
This plant is resistant to deer

Foliage Color

Blue-Green

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)

Where to Grow

Unknown

Danger

All parts of plant are poisonous if ingested

Bloom Color

Dark Blue
Lavender

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Unknown

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

Seed Collecting

Unknown