Delphinium Species, Red Larkspur, Orange Larkspur, Canyon Delphinium, Christmashorns
Delphiniumnudicaule

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus: Delphinium (del-FIN-ee-um)
Species: nudicaule (new-dee-KAW-lee)

Synonym:Delphinastrum nudicaule

Synonym:Delphinium sarcophyllum

Category
Alpines and Rock Gardens
Annuals
Perennials

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

Sun Exposure
Full Sun

Foliage
Herbaceous
Smooth

Foliage Color

Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Red
Red-Orange
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
By dividing the rootball
From seed; sow indoors before last frost

Seed Collecting