Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Ranunculaceae

Genus:

Delphinium

Species:

Delphinium grandiflorum

USDA Symbol:

DEGR80

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Geophyte

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

blue, purple, white

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

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 climates, avoid waterlogging

Propagation & Germination

Stratification:

Cold/moist stratification required — 14–21 days

Germination Time:

14–28 days

Notes:

Seeds require light for germination; sow on surface and do not cover. Cool temperatures (55-65°F) improve germination rates.

The above propagation data sourced from Claude AI