Wreath Goldenrod

Solidago caesia

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Solidago
Species:
Solidago caesia
USDA Symbol:
SOCA4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
90 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
aug,sep,oct
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

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

Coleophora duplicis, Cremastobombycia solidaginis, Cucullia pulla, Dichomeris leuconotella, Gnorimoschema gallaeasterella

Reported Fauna Sightings

Bees: Common eastern (Bombus impatiens), ⚠️Western honey bee (Apis mellifera) Moths:Brown-hooded owlet (Cucullia convexipennis), Gnorimoschema gallaeasterella

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, beneficial insects, birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rhizomes following fire; typical of woodland edge species that tolerate periodic disturbance.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers shaded woodland areas

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: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI

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

Source: Ontario Rock Garden & Hardy Plant Society