Ross’ Avens

(Geum rossii)

Ross’ Avens (Geum rossii)

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Estimated Native Range
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Summary

Geum rossii, commonly known as Ross’ avens or alpine avens, is a perennial herb that thrives in the alpine tundra and rocky slopes of northern Canada and the high mountains of the western United States, including the Rocky Mountains, as well as the Arctic and Russia. It is adapted to cold, harsh environments and is often found in alpine meadows and gravelly soil areas. This plant typically grows to a modest height of 4-12 inches (10-30 cm) with a similar spread, forming a low, clumping mound.

Ross’ avens features pinnate, fernlike leaves that form a basal rosette. From late spring to early summer, it produces cup-shaped, bright yellow flowers on slender, erect stems, which are moderately showy and attract pollinators. The flowers give way to feathery seed heads that add textural interest in the landscape. In cultivation, it is valued for its hardiness and ability to thrive in challenging mountain garden conditions. It is used in rock gardens, alpine gardens, and as a ground cover. Ross’ avens prefers well-drained, gritty soil and full sun to partial shade. It requires minimal water once established, making it suitable for xeriscaping. While generally low-maintenance, it can be susceptible to root rot in poorly drained soils and may be affected by leaf spot diseases.CC BY-SA 4.0

Plant Description

  • Plant Type:
  • Height: 0.3-1 feet
  • Width: 0.3-1 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Fast, Medium

Common Uses

Bee Garden, Low Maintenance, Rock Garden

Natural Habitat

Alpine tundra and rocky slopes

Other Names

Common Names: Ross’s Avens , Alpine Avens

Scientific Names: Geum rossii , Acomastylis humilis , Acomastylis nivalis , Acomastylis rossii , Acomastylis rossii var. rossii , Acomastylis sericea , Geum filipes , Geum humile , Geum rossii var. humile , Geum rossii var. humilis

GBIF Accepted Name: