Sticky Polemonium

Polemonium viscosum

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polemoniaceae
Genus:
Polemonium
Species:
Polemonium viscosum
USDA Symbol:
POVI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
40 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
blue, purple, 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
Fragrant:
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 and subalpine meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Cold stratification improves germination. Seeds may germinate erratically over several weeks.

The above propagation data sourced from Claude AI

Pre-treatment: 5 month outdoor cold, moist stratification

Establishment: This species produces a long and extensive taproot shortly after germination. Collect mature capsules in late August when they begin to split and turn tan in color. Seeds are black at maturity. Seeds are collected in paper bags and kept in a well ventilated drying shed prior to cleaning. P. viscosum is an alpine species that occurs from southwest Alberta to northern New Mexico, the Wallowa mountains of northeast Oregon, Okanogan Co., Washington, and the mountains of central Nevada. It is also found from British Columbia south to Montana at high elevations.

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society