Delphinium Species, Cardinal Larkspur, Scarlet Larkspur

Delphinium cardinale

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Delphinium (del-FIN-ee-um)
Species
cardinale (kar-dih-NAL-ee)
Synonym
Delphinium coccineum
Delphinium flammeum
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
15-18 in. (38-45 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)
Bloom Color
Red
Scarlet (dark red)
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Malibu, California

Richmond, California

San Diego, California

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Gardener's Notes:

1
positive
0
neutral
0
negative
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San Diego, CA | July 2015 | positive

This plant grows 5 ft tall first year from seed. Can be grown as an annual. In my experience it will die from ANY summer water in the g...Read More

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