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False sunflower

English
  • Native Plants,
  • Annuals, perennials and bulbs
Photo: Isabelle Dupras
Heliopsis helianthoides

Onglets

Botany

Origin and description

Perennial native to Québec. This vigorous plant resembles true sunflowers, but it blooms earlier. The nectar and pollen from its flowers attract a great number of pollinators and butterflies. Its seeds are a treat for certain birds.

Height: 90 to 120 cm
Width: 60 cm
Flowering: yellow, July to August
Attractions for wildlife: attracts pollinators, butterflies and birds

Common name

False sunflower

Latin name (genus)

Heliopsis helianthoides

English common name

False sunflower

French common name

Héliopsis faux-hélianthe

Botanical family

  • Asteraceae
Horticulture

Growing conditions

Exposure: sun
Soil type: prefers a fresh and well-drained soil, but tolerates a drier, poorer soil

Sowing

False sunflower seeds can be sown in spring after at least 30 days of cold stratification, a cold, moist treatment in the refrigerator.

They can also be sown in fall, either in the ground or in containers buried in the soil.

Germination time: 10 to 20 days
Sowing depth: 5 mm

Hardiness

  • Zone 4

See also

Pests and diseases
Physiological disorders