Royal Jacob's-Ladder

Polemonium carneum

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polemoniaceae
Genus:
Polemonium
Species:
Polemonium carneum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
3-4 ft
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
apr, may, jun, jul, aug
Bloom Colors:
White, Pink, Purple

Native Range

United States: California, Oregon, Washington

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

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, shaded environments

Germination Information

Pre-treatment: 80 days of cool(38F)/moist stratification

Source: npn.rngr.net