Prairie Sunflower

(Helianthus petiolaris)

Prairie Sunflower (Helianthus petiolaris)

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Estimated Native Range
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Summary

Helianthus petiolaris, commonly known as Prairie Sunflower, is an annual herb that is native to the grasslands and open areas of the Central and Intermountain regions of the United States, as well as parts of Canada and Mexico. It typically grows up to 4 feet (120 cm) tall with a branching form. The leaves are alternate, rough-textured, and the flowers resemble the traditional sunflower with bright yellow petals surrounding a dark brown to purple center disk. The blooming period occurs between June and September, and the flowers are highly attractive to pollinators.

Prairie Sunflower is valued for its drought tolerance and ability to thrive in poor soils, making it a suitable choice for naturalistic plantings and restoration projects. It is often used in wildflower gardens, borders, and as a cut flower due to its showy blooms. This species prefers full sun exposure and can tolerate a range of soil types, provided they have good drainage. While it is not demanding in terms of water, it will benefit from occasional watering during prolonged dry spells. Gardeners should be aware that Helianthus petiolaris can self-seed and spread, which may be considered invasive in some areas.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1.5-3.5 feet
  • Width: 4.5-10 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Summer
  • Leaf Retention:

Growth Requirements

  • Sun: Full Sun
  • Water: Low, Medium
  • Drainage: Fast

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Deer Resistant, Drought Tolerant, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Low Maintenance, Rabbit Resistant, Showy Flowers

Natural Habitat

Native to grasslands and open areas of the Central and Intermountain regions of the United States, Canada, and Mexico

Other Names

Common Names: Lesser Sunflower , Kansas Sunflower , Petioled Sunflower , Plains Sunflower , Showy Sunflower , Hélianthe De La Prairie , Hélianthe Des Prairies

Scientific Names: Helianthus petiolaris , Helianthus integrifolius var. gracilis , Helianthus integrifolius var. integrifolius , Helianthus petiolaris var. patens

GBIF Accepted Name: Helianthus petiolaris Nutt.