Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polemoniaceae

Genus:

Polemonium

Species:

Polemonium eximium

USDA Symbol:

POEX

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jul,aug

Bloom Colors:

blue, violet

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to alpine regions, prefers high elevation

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–42 days

Notes:

Seeds require cold stratification and light for germination. Germination can be erratic.

The above propagation data sourced from Claude AI