False Sunflower

False Sunflower

Heliopsis helianthoides

This upright perennial bears yellow flowers in summer.

  • Yellow flowers are produced in summer, providing colour through the bloom season.
  • Upright clump, reaching 1.2 m at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with moist, average soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Moist, Average
Drought Tolerant
Hardiness Zone
4 – 4
Mature Height (meters)
0.9 – 1.2
Mature Spread (meters)
0.4 – 0.6
Growth Rate
Medium
Flower Colour
Yellow
Foliage Colour
Green
Bloom Time
Summer
Habit
Upright
Deer Resistant
Rabbit Resistant
Pollinator Friendly
Attracts Birds
Ontario Native
Landscape Uses
Border, Accent, Mass planting
Growing & Maintenance Tips
Thrives in full sun to partial shade, and in a moist to average soil. Relatively easy to grow and will adapt to a wide range of conditions including drought and summer heat. Naturally found on flood plains, along woodland edges and in moist, open fields. Self-seeds aggressively.
Notes
Also referred to as Early Sunflower, Eastern Ox-eye, Eastern Sunflower-everlasting, Heliopsis, Ox-eye, Oxeye Sunflower, Smooth Oxeye. Native to Ontario

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