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image of Flowering plant
Hibiscus moscheutos
Swamp rose-mallow
Ketmie des marais

Obsolete Names

  • crimson-eyed rose-mallow
  • eastern rose-mallow
No seeds available for this plant.

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

Bloom colour: Pink Bloom period: July - September
Max Height: 5.0 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 medium Tolerates medium soil condition
Lifespan : Perennial
Gardener Experience:
does not spread Does not spread uncontrollably
Landscape uses:
wetland garden Suitable for wetland garden
shoreline_rehab Suitable for shoreline rehabilitation
school garden Suitable for school gardens
Ecological Benefits:
Hummingbird friendly Supports hummingbirds
Pollinator garden Supports pollinators
butterfly host Butterfly host
Tolerates:
Salt Tolerant Tolerates salt conditions
limestone Tolerant Tolerates limestone conditions
juglone Tolerant Tolerates juglone conditions

Plant Distribution

Native to Ottawa region: No

Distribution according to VASCAN

Distribution: Hibiscus moscheutos
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent
View taxonomy on Canadensys

View on iNaturalist

Thrives in Ecozones

  • Ecozone-Mixed Wood Plain
  • Ecozone-Boreal_Plains

Butterflies Supported by Hibiscus moscheutos

  • Eudryas unio (Pearly Wood Nymph)

Bees Supported by Hibiscus moscheutos

No bee data available for this plant.

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

  • No complementary plants found.

Sowing Information

  • Sowing depth: Sow just below surface
  • Sow before February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting Information

  • Harvesting indicator: Pods are slightly open and seeds inside are dark
  • Harvesting mean: Cut stem (including pods), let air dry in paper bag, then shake seeds off after a few days
  • Seed Viability Test: No test needed before donating
  • Packaging Measure: 1 rounded 1/32 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: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity