Grass-leaved Goldenrod

Grass-leaved Goldenrod

Euthamia graminifolia

Plant Type
Forb/herb (Deciduous)
Landscape Layer
Herbaceous
Sun
☀️ Full Sun, ⛅ Part Sun
Moisture
💧 Regular
Soil
Clay, Loam, Sand, Silt, Rocky / Acidic, Calcareous
Bloom
July, August, September
Sociability
S4 – Large patches

Pollinator Value

🐛 Larval Host
Condica videns, Cucullia florea

S13+S15 2 verified Eastern NA

🐝 Specialist Bee Host
Andrena hirticincta, Andrena nubecula, Colletes americanus, Colletes simulans

S17 Euthamia pollen specialists in Eastern NA; S3 confirms 4 specialist bees

Ecology & Conservation

Proximity Score
0
Native Status
✅ Outaouais ✅ Ottawa ✅ QC ✅ ON
Closest Direction
Local
CEC Eco-Regions
5 – Northern Forests, 5.2 – Mixed Wood Shield, 5.2.3 – Algonquin/Southern Laurentians
Rarity Notes
Globally secure (G5) and nationally secure in Canada (N5). Ranked S5 in both Ontario and Quebec. Not listed under SARA or COSEWIC. A common and widespread species across eastern North America.

S22 G5, N5, S5/S5; S26 not SARA listed

Rarity Ranks
QC S5 – Secure, ON S5 – Secure
Migration
Stable
Ecological Context
A rhizomatous perennial of moist meadows, shores, ditches, and disturbed open ground. Typical of sandy or gravelly substrates near the water table, also colonizing old fields and roadsides. In the Ottawa-Gatineau region, common along river and lake margins and in anthropogenic habitats. A late-season nectar resource for diverse pollinator assemblages.

S7 moist sandy/gravelly shores, fields; S61 meadows, shores, wetland margins; S62 Common in Ottawa

Permaculture & Companion Planting

Roles
Fortress/Barrier, Insectary Plant, Pollinator Attractor

S73/S29/S72 Evidence: Fortress/Barrier: S61 keyword match: spines? (supporting signal only)] | Insectary Plant: S64 NPPBI 'beneficial insects' flag] | Pollinator Attractor: S73 [HIGH]: S64 Xerces listed (source-classified)]

Notes
Attracts beneficial insects including ladybirds, lacewings, and hoverflies that provide biological pest control in garden settings. Its vigorous rhizomatous growth can impoverish soil, so situate where its spreading habit is an asset rather than a liability.

S29 attracts beneficial insects; cultivation notes

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

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Category
Analgesic, Pulmonary Aid, Febrifuge, Antiseptic

S28 Chippewa analgesic/pulmonary aid, Potawatomi febrifuge; S29 antiseptic

Notes
Used by Chippewa and Ojibwa peoples as a decoction of root for chest pain and lung problems, and an infusion of flowers for chest pain. Potawatomi used an infusion of blossoms for some types of fevers. Also reported as an antiseptic from the dried powdered herb. Flowers were smoked by Ojibwa as a hunting medicine to simulate the odor of a deer's hoof.

S28 Moerman uses; S29 PFAF medicinal

Edibility & Foraging

Never ingest a plant unless you have 100% certainty of its identity and have consulted multiple reputable sources. The information provided in the Localeaf Plant Database is compiled from secondary sources for educational and historical purposes only.

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❌ Not Edible   

Foraging Notes
Leaves (fresh or dried) can be used as a tea substitute, but the plant has no significant culinary tradition. Not listed as a food plant by Moerman.

S29 tea substitute; S28 no Food category uses

Seed Source

  • OWSL
Grass-leaved Goldenrod