Small's Ragwort

Packera anonyma

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Packera
Species:
Packera anonyma
USDA Symbol:
PAAN6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
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)

Reported Fauna Sightings

Moths:Phyllocnistis insignis

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from basal rosette after fire; often increases in open, fire-maintained habitats.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Commonly found in sandy, disturbed areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: The protocol does not provide specific information on propagation source, pre-treatment, establishment protocol, temperature, germination rate, or germination time for Alopecurus alpinus.

Source: npn.rngr.net

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

Source: Ontario Rock Garden & Hardy Plant Society