Delphinium Species, Larkspur
Delphiniumrequienii

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus: Delphinium (del-FIN-ee-um)
Species: requienii (re-kwee-EN-ee-eye)

Category
Perennials

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous

Foliage Color

Height
36-48 in. (90-120 cm)

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

Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Light Blue
Silver/Gray

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds