Canada Frostweed

(Crocanthemum canadense)

Canada Frostweed (Crocanthemum canadense)

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Estimated Native Range
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Summary

Crocanthemum canadense, commonly known as Canada Frostweed or Longbranch Frostweed, is a deciduous perennial herb native to dry, open woodlands and sandy soils in the Eastern United States. It typically grows to a height of 1-2 feet (0.3-0.6 meters) and spreads 3-5 feet (0.9-1.5 meters) wide. The plant forms a low, bushy mound with narrow, lance-shaped leaves. Its bright yellow, star-shaped flowers bloom in late spring to early summer and are quite showy, attracting various pollinators.

Canada Frostweed is valued for its drought tolerance and its ability to thrive in poor, sandy soils, making it an excellent choice for xeriscaping and naturalistic plantings. It is also used in restoration projects to stabilize soils and support native pollinators. In cultivation, it requires minimal maintenance, preferring full sun and well-drained soils. While it is not commonly found in garden centers, it can be a unique addition to rock gardens, borders, and native plant gardens. It is not known for significant disease or pest issues, but it can spread somewhat aggressively in ideal conditions.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-1.5 feet
  • Width: 3-5 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring, Summer
  • Leaf Retention: Evergreen

Growth Requirements

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

Common Uses

Bee Garden, Bird Garden, Low Maintenance, Showy Flowers

Natural Habitat

native to dry, open woodlands and sandy soils in the Eastern United States

Other Names

Common Names: Canada Frostweed , Canada Sun-Rose , Frostweed , Rock Frost , Frostplant , Frostwort , Long-Branched Frostweed , Crocanthème Du Canada , Hélianthème Du Canada

Scientific Names: Helianthemum canadense , Crocanthemum canadense , Helianthemum corymbosum , Cistus canadensis , Lechea major , Halimium canadense , Helianthemum majus , Helianthemum ramuliflorum , Helianthemum canadense var. sabulonum , Helianthemum major

GBIF Accepted Name: Crocanthemum canadense (L.) Britton