Candle Larkspur

Delphinium elatum

Native to:
Austria, Belarus, China, Czechia-Slovakia, France, Kazakhstan, Kirgizstan, NW. Balkan Pen., Poland, Romania, Russia, Switzerland, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Delphinium
Species:
Delphinium elatum
USDA Symbol:
DEEL2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
blue, purple, white, pink

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hummingbirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, mountainous regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 14–28 days
Germination Time:
14–30 days
Notes:
Seeds require cold stratification for 2-4 weeks to break dormancy; sow at 15-20°C after stratification.

ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.

Source: Ontario Rock Garden & Hardy Plant Society