Toxic Plant Known to be toxic - Toxic to livestock and cats if ingested.
Image of Solidago riddellii
image of Flowering plant
Solidago riddellii
Riddell's goldenrod
Verge d'or de Riddell
No seeds available for this plant.

We are not accepting seeds for this plant at the moment.

Bloom colour: Yellow Bloom period: September - October
Max Height: 3.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light condition:
Full sun More than 6 hours of direct sun a day
Soil conditions:
Moisture wet Tolerates wet soil condition
Lifespan : Perennial
Gardener Experience:
plant germinate easy Easy to germinate
Landscape uses:
shoreline_rehab Suitable for shoreline rehabilitation
container suitable Suitable for container garden
school garden Suitable for school gardens
Ecological Benefits:
Pollinator garden Supports pollinators
butterfly host Butterfly host
Tolerates:
limestone Tolerant Tolerates limestone conditions
juglone Tolerant Tolerates juglone conditions
transplantation Tolerant Tolerates transplantation

Plant Distribution

Native to Ottawa region: No

Distribution according to VASCAN

Distribution: Solidago riddellii
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent
View taxonomy on Canadensys

View on iNaturalist

Thrives in Ecozones

  • Ecozone-Boreal_Plains

Butterflies Supported by Solidago riddellii

  • Leuconycta diphteroides (Green Leuconycta)
  • Melanchra adjuncta (Hitched Arches)
  • Phragmatobia fuliginosa (Ruby Tiger)

Bees Supported by Solidago riddellii

  • 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 Plants that grow in similar conditions, that bloom at the same time.

  • No complementary plants found.

Sowing Information

  • Sowing depth: Surface sow
  • Sow before February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting Information

  • Harvesting indicator: Seeds have become fluffy and can be easily removed by shaking on gently pulling off from stem
  • Harvesting mean: 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, shaking seeds to move them once in a while to prevent molding
  • On Cultivar: No, you can donate without knowing the source as there are only straight species