Toxic Plant Connu comme étant toxique - Toxic to livestock and cats if ingested.
Notice: We do not accept seeds that were given before 2025 as they were in fact Panicled White Aster seeds (Symphyotrichum lanceolatum).
Image of Solidago ptarmicoides
Source: Rob Routledge Sault College Bugwood.org

Plant Names

image of Plante à fleurs
Solidago ptarmicoides
Upland White Goldenrod
Verge d'or faux-ptarmica

Synonyms

prairie goldenrod
white flat-top goldenrod
white sneezewort

Plant Characteristics

Couleur de floraison: Blanc Bloom Period: Aug - Oct
Hauteur max: 1,0 feet
Max Width: 1,0 feet (spreads by rhizome)
Light Condition:
Full sun Plus de 6 heures d'ensoleillement par jour
Soil conditions:
Moisture dry Tolère des conditions de sol sec
Moisture medium Tolerates medium soil condition
Lifespan: Vivace des plantes qui reviennent année après année
Gardener Experience:
plant spread by rhizome Spreads by rhizome
plant germinate easy Facile à germer
plant self seeding Self-seeding
Landscape Uses:
rock garden Suitable for rock gardens
row garden Suitable for Right of Way gardens
container suitable Suitable for container garden
school garden Suitable for school gardens
boulevard garden tolerant Tolerates boulevard garden conditions
Ecological Benefits:
butterfly host Butterfly host
bee host Bee host
keystones species Keystone species
Tolerates:
Deer Resistant Deer resistant
Rabbit Resistant Rabbit resistant
Limestone Tolerant Tolerates limestone conditions
Juglone Tolerant Tolerates juglone conditions
Transplantation Tolerant Tolerates transplantation
Special Features and Considerations:
causes skin rashes This plant causes skin rashes

Seed and plant distribution status

No seeds available for this plant.
Nous acceptions les semences de cette plante

Faits intéressants

Upland White Goldenrod is one of the smallest goldenrods in Ontario and the only one with white flowers that appear more like an aster. It thrives in dry locations and would be a great addition along garden borders.

Plant Location

Native to Ottawa region: Oui

Distribution according to VASCAN

Distribution: Solidago ptarmicoides
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Plaines boréales
  • Plaines à forêts mixtes

Ecological Benefits

Butterflies Supported by Solidago ptarmicoides

Specialized Bees Supported by Solidago ptarmicoides

  • Andrena aliciae
  • Andrena asteris
  • Andrena canadensis
  • Andrena chromotricha
  • Andrena hirticincta
  • Andrena nubecula
  • Andrena placata
  • Andrena simplex
  • Complexe Colletes americanus
  • Complexe Colletes compactus
  • Complexe Colletes simulans
  • Dianthidium simile
  • Megachile inimica
  • Melissodes agilis
  • Melissodes illatus
  • Melissodes trinodis
  • Protandrena andrenoides
  • Pseudopanurgus aestivalis

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • Oenothera (Non-Native Primrose)
  • Oenothera biennis (Evening Primrose Cultivars)
  • Oenothera fructicosa (Sundrops Cultivars)
  • Helianthus (Non-Native Sunflower)
  • NA (Black Eyed Susan's Cultivars)
  • Rudbeckia Triloba (Brown Eyed Susan's)
  • Echinacea (Coneflowers)
  • NA (Coreopsis cultivars)
  • NA (Non-native False Sunflower)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Couvrir très légèrement
  • Sow anytime
  • Stratification duration: 0 days
  • Self-seeding
  • Notes: Can be sown in late spring in warm soil.

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:
    • Secouer le porte-graines dans un sac de papier
  • Seed viability test:
    • Pas de test requis avant le don
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage:
    • Sécher à l'air dans un sac en papier ou contenant ouvert, pour quelques jours jusqu'à sec
    • Secouer de temps à autre pour prévenir la moisissure
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • Harvesting notes: Please note that in 2025, we partly distributed White Panicled Aster (Symphyotrichum lanceolatum) instead of Upland White Goldenrod (Solidago ptarmicoides). Please do not donate seeds unless you are sure that they are the right species. Thanks!
  • No harvesting video available at this time.

Toxicity Notes

Toxic to livestock and cats if ingested.