Wenatchee Larkspur

Delphinium viridescens

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Delphinium
Species:
Delphinium viridescens

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
Yellow, Green, Purple

Native Range

United States: Washington

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, moist environments

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: OpenAI GPT-4o