Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Ranunculaceae

Genus:

Delphinium

Species:

Delphinium zalil

USDA Symbol:

DEZA2

Growth Characteristics

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

yellow

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

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:

native to mountainous regions, prefers cooler climates

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification for 4-8 weeks before sowing.