Woodland Sunflower, Rough Sunflower

Woodland Sunflower, Rough Sunflower

Helianthus divaricatus

This upright perennial bears yellow flowers in summer fall.

  • Yellow flowers are produced in summer fall, providing colour through the bloom season.
  • Upright clump, reaching 1.25 m at maturity; divide every three to four years to maintain vigour.
  • Best in partial shade to full shade with moist, average soil.
Size
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Plant Characteristics

Sunlight
Partial shade, Shade
Soil Moisture
Moist, Average
Drought Tolerant
✓
Hardiness Zone
4 – 4
Mature Height (meters)
0.9 – 1.25
Mature Spread (meters)
0.75 – 0.9
Growth Rate
Medium
Flower Colour
Yellow
Foliage Colour
Green
Bloom Time
SummerFall
Habit
Upright
Deer Resistant
✓
Pollinator Friendly
✓
Attracts Birds
✓
Ontario Native
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Growing & Maintenance Tips
Grows best in partial shade, in average to moist soil, however,  tolerates a wide range of moisture conditions. This species tends to be more drought tolerant than others in the genus. Naturalizes in open, woodland edges and along streams and ponds.
Notes
Native to Ontario

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