Image of Heliopsis helianthoides
image of Flowering plant
Heliopsis helianthoides
False sunflower
Héliopsis faux-hélianthe

Obsolete Names

  • smooth oxeye
  • sunflower heliopsis
  • sunflower-everlasting
  • sweet oxeye
No seeds available for this plant.

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

Bloom colour: Yellow Bloom period: June - September
Max Height: 5.0 feet
Max Width: 3.0 feet
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
Gardener Experience:
beginner friendly Suitable for beginner gardeners
does not spread Does not spread uncontrollably
plant germinate easy Easy to germinate
Landscape uses:
rain garden Suitable for rain gardens
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
bee host Bee host
keystones species Keystone species
Tolerates:
drought Tolerant Tolerates drought conditions
Deer Resistant Deer resistant
rabbit resistant Rabbit resistant
limestone Tolerant Tolerates limestone conditions
juglone Tolerant Tolerates juglone conditions

Plant Distribution

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Heliopsis helianthoides
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent
View taxonomy on Canadensys

View on iNaturalist

Thrives in Ecozones

  • Atlantic Maritime
  • Ecozone-Mixed Wood Plain
  • Ecozone-Boreal Shield
  • Atlantic_Maritime
  • Ecozone-Pacific_Maritime

Butterflies Supported by Heliopsis helianthoides

No butterfly data available for this plant.

Bees Supported by Heliopsis helianthoides

  • Melissodes trinodis

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 March
  • Stratification duration: 30 days
  • Self-seeding

Harvesting Information

  • Harvesting indicator: Seeds are dark and dry, and easily fall off when you gently pull them off
  • 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: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity