Woolly Groundsel

Packera cana

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Packera
Species:
Packera cana
USDA Symbol:
PACA15

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
45 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug
Bloom Colors:
yellow

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
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rootstock after fire; common in fire-maintained prairies and grasslands.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Thrives in open, sunny areas with poor soil

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Light may aid germination. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: Sow seed into trays filled with stabilized medium plugs (Q-plugs). Seal trays inside plastic boxes and place into cold stratification (1 to 3 °C) for 120 days. Check trays weekly and keep moist. If mold is evident, treat trays with 1% hydrogen peroxide.

Source: npn.rngr.net