Known to be toxic - Toxic to livestock and cats if ingested.
Source: Doppelbrau
Solidago squarrosa
Squarrose Goldenrod
Verge d’or squarreuse
Obsolete Names
bracted goldenrod
ragged goldenrod
stout goldenrod
stout ragged goldenrod
solidage squarreuse
Seeds available at table Full Sun
We currently accept seeds for this plant
Bloom colour: Yellow
Bloom period: Aug - Oct
Max Height: 3.0 feet
Max Width: 3.0 feet (spreads by rhizome)
Light condition:
More than 6 hours of direct sun a day
Soil conditions:
Tolerates dry soil condition
Tolerates medium soil condition
More than 6 hours of direct sun a day
Tolerates dry soil condition
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Does not spread uncontrollably
Easy to germinate
Self-seeding
Does not spread uncontrollably
Easy to germinate
Self-seeding
Landscape uses:
Suitable for rock gardens
Suitable for container garden
Suitable for school gardens
Tolerates foot traffic
Suitable for rock gardens
Suitable for container garden
Suitable for school gardens
Tolerates foot traffic
Ecological Benefits:
Supports pollinators
Butterfly host
Supports pollinators
Butterfly host
Tolerates:
Tolerates foot traffic
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Tolerates foot traffic
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
This plant is a GRASP candidate
This plant causes skin rashes
This plant is a GRASP candidate
This plant causes skin rashes
Plant Location
Native to Ottawa region: Yes
Thrives in Ecozones
- Boreal Plains
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Solidago squarrosa
- Cucullia convexipennis (Brown Hooded Owlet)
- Eupithecia miserulata (American Common Pug)
- Euplexia benesimilis (American Angle Shades)
- Leuconycta diphteroides (Green Leuconycta)
- Melanchra adjuncta (Hitched Arches)
- Phragmatobia fuliginosa (Ruby Tiger)
- Trichordestra legitima (Striped Garden Caterpillar)
Specialized Bees Supported by Solidago squarrosa
- 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
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- Coreopsis tripteris
Tall Tickseed
Coréopsis trifoliolé - Panicum virgatum
Switch Grass
Panic raide - Solidago altissima
Tall Goldenrod
Verge d’or haute - Symphyotrichum laeve
Smooth Aster
Aster lisse - Symphyotrichum lanceolatum
White Panicled Aster
Aster lancéolé
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)
- Helianthus).1 (Non-Native Sunflower)
- NA (Non-Native False Sunflower)
Sowing Information
Download Sowing Label (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 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
- At least one cultivar: No, you can donate without knowing the source as there are only straight species
- No harvesting video available at this time.
Toxicity Notes
Toxic to livestock and cats if ingested.
GRASP Candidate
Rare/endangered native plants within 50km radius of Ottawa approximately. Burton is anchor study, plus iNaturalist observations to corroborate if any recent spotting.