Image of Euthamia graminifolia
Source: Krzysztof Ziarnek

Plant Names

image of Flowering plant
Euthamia graminifolia
Grass-leaved Goldenrod
Verge d'or à feuilles de graminée

Synonyms

flat goldentop
flat-top fragrant goldenrod
flat-top goldenrod
fragrant goldenrod
narrow-leaved goldenrod
northern smooth goldentop
verge d'or graminifoliée

Plant Characteristics

Bloom Colour: Yellow Bloom Period: Jul - Sep
Max Height: 4.0 feet
Max Width: 3.0 feet (spreads by rhizome)
Light Condition:
Full sun More than 6 hours of direct sun a day
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture dry Tolerates dry soil condition
Moisture medium Tolerates medium soil condition
Lifespan: Perennial plants that will come back year after year
Gardener Experience:
plant spread by rhizome Spreads by rhizome
plant germinate easy Easy to germinate
plant self seeding Self-seeding
Landscape Uses:
container suitable Suitable for container garden
Ecological Benefits:
butterfly host Butterfly host
keystones species Keystone species
Tolerates:
Acidic Soil Tolerant Tolerates acidic soil conditions
Juglone Tolerant Tolerates juglone conditions
Special Features and Considerations:

Seed and plant distribution status

No seeds available for this plant.
We currently accept seeds for this plant

Fun Facts

Grass-leaved goldenrod is an upright perennial with narrow leaves and clusters of bright yellow flowers that is an excellent choice for meadows, pollinator gardens, and naturalized plantings. It is best suited to larger gardens or meadows. It is drought tolerant once established.

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Euthamia graminifolia
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Taiga Plains
  • Atlantic Maritime
  • Taiga Shield
  • Boreal Plains
  • Montane Cordillera
  • Prairies
  • Boreal Shield
  • Pacific Maritime
  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Euthamia graminifolia

No butterfly data available for this plant.

Specialized Bees Supported by Euthamia graminifolia

  • Andrena hirticincta
  • Andrena nubecula
  • Complexe Colletes americanus
  • Complexe Colletes simulans

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • NA (Non-native False Sunflower)
  • Symphiotrichum (Non-Native Aster)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Surface sow
  • Sow by February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting and Seed Sharing

  • Harvest start month: October
  • Harvesting indicator:
    • Seeds have become fluffy and can be easily removed by shaking on gently pulling off from stem
  • Harvesting:
    • Shake seed head in paper bag
  • Seed viability test:
    • No test needed before donating
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage:
    • Air dry in paper bag or open container, for a few days until crisp
    • Shake seeds to move them once in a while to prevent molding
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • No harvesting video available at this time.

Toxicity Notes

Not known to be toxic to mammals if ingested.