Rocky Mountain Pussytoes

Antennaria media

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Antennaria
Species:
Antennaria media
USDA Symbol:
ANME2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
white, pink
Ground Cover:
Yes
Lawn Substitute:
Yes

Wildlife Benefits

Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, low fertility soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to alpine and subalpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate best with cold stratification for 30-60 days.

Pre-treatment: Seeds are placed into 80 to 150 day cold, moist stratification.

Establishment: Seeds are collected in late August at high elevations when achenes are easily separated from receptacle. Seeds are black at maturity. Seeds are collected in paper bags and kept in a well ventilated drying shed during the drying process and prior to cleaning. A. media is a circumboreal species, occurring in subalpine to alpinemeadows and slopes in stony soils.

Source: npn.rngr.net

ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society