Delphinium, Candle Delphinium, Larkspur
Delphiniumelatum 'Justina'

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus: Delphinium (del-FIN-ee-um)
Species: elatum (el-AH-tum)
Cultivar: Justina

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
4-6 ft. (1.2-1.8 m)

Spacing
4-6 ft. (1.2-1.8 m)

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

Danger

Bloom Color
Medium Purple

Bloom Characteristics
Flowers are good for cutting

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From herbaceous stem cuttings

Seed Collecting