Alpine Leafybract Aster

Symphyotrichum foliaceum

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Symphyotrichum
Species:
Symphyotrichum foliaceum
USDA Symbol:
SYFO2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
purple, violet, blue, pink

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)
Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Meadow Crescent (Phyciodes pratensis)

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Fernald cuckoo bumble bee (Bombus flavidus), Forest bumble bee (Bombus sylvicola), Indiscriminate cuckoo bumble bee (Bombus insularis), Two-form bumble bee (Bombus bifarius), Western bumble bee (Bombus occidentalis)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rhizomes after fire; benefits from periodic burning in native meadow habitats.

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
Prefers habitats like meadows and streambanks

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 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: Seeds are fairly slow to collect as plants are thinly scattered in native stands. In most collection years, moderate to heavy insect predation is apparent. X-ray examination of test lots showed up to 17% of seed was empty, and others showed signs of insect damage.

Source: npn.rngr.net