Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Ranunculaceae

Genus:

Delphinium

Species:

Delphinium trolliifolium

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Geophyte

Height:

6-8 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr, may, jun

Bloom Colors:

Blue, Purple

Native Range

United States: California, Oregon

Host Plant for Caterpillars

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 organic matter-rich soils in native habitats

Germination Information