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Delphinium, Candle Delphinium, Larkspur 'Guardian Blue'

Delphiniumelatum

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Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Info
Genus
Delphinium (del-FIN-ee-um)
Info
Species
elatum (el-AH-tum)
Info
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Dark Blue
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

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

Unknown - Tell us

Other details

Unknown - Tell us

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 - Tell us

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
Regional

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

Fallbrook, California(5 reports)

San Leandro, California

San Mateo, California

Denver, Colorado

Lake City, Florida

Noblesville, Indiana

Rockwood, Michigan

Ocean Springs, Mississippi

Santa Fe, New Mexico

Akron, Ohio

Mercer, Pennsylvania

Pittsburgh, Pennsylvania

Knoxville, Tennessee

Austin, Texas

Desoto, Texas

New Ulm, Texas

Cathan, Washington

Concrete, Washington

Grand Mound, Washington

John Sam Lake, Washington

Lakewood, Washington

North Marysville, Washington

Priest Point, Washington

Rochester, Washington

Shaker Church, Washington

Stimson Crossing, Washington

Weallup Lake, Washington

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the1pony
(Pony) Lakewood, WA (Zone 8a) | August 2009 | positive

After the first bloom wrapped up I cut them way back, and they very quickly grew and bloomed again. These are definitely a new favorite for me.

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