Delphinium, Candle Delphinium, Larkspur
Delphiniumelatum 'Guardian Blue'

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus: Delphinium (del-FIN-ee-um)
Species: elatum (el-AH-tum)
Cultivar: Guardian Blue
Additional cultivar information: (Guardian series)

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun

Foliage

Herbaceous

Foliage Color

Unknown

Height

36-48 in. (90-120 cm)

Spacing

9-12 in. (22-30 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

Bloom Characteristics

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

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer

Other details

Unknown

Soil pH requirements

6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Unknown

Propagation Methods

By dividing the rootball
From herbaceous stem cuttings
Allow cut surface to callous over before planting
By air layering

Seed Collecting

Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible