Coastal Plain Joe Pye Weed

(Eutrochium dubium)

Coastal Plain Joe Pye Weed (Eutrochium dubium)

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Estimated Native Range
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Summary

Eutrochium dubium, commonly known as Coastal Plain Joe Pye Weed, is a deciduous perennial herb native to the moist meadows, marshes, and riverbanks of the Northeastern United States and Eastern Canada. It typically grows to a height of 60-170 cm (24-68 inches or 2-5 2/3 feet) tall. This plant is characterized by its sturdy, upright stems and whorled leaves, with flower heads grouped in flat-topped clusters. Each head contains 4-10 dark purple disc florets, occasionally pink or white, blooming from late summer to early fall. While the flowers lack ray florets, they are notably attractive to pollinators such as butterflies and birds.

Coastal Plain Joe Pye Weed is valued for its tall stature and showy flower clusters, which add vertical interest and a splash of color to garden borders and naturalized areas. It is also used for rain gardens due to its tolerance for moist conditions. This plant thrives in full sun to part shade and prefers consistently moist soil with good drainage. It is adaptable to a range of soil types, from clay to loam. While generally low-maintenance, it can be susceptible to powdery mildew in overly humid conditions. To encourage bushier growth and potentially a second bloom, gardeners may cut plants back by a third after initial flowering.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 3-5 feet
  • Width: 2-4 feet
  • Growth Rate: Moderate
  • Flower Color: Pink, Purple
  • Flowering Season: Summer, Fall
  • Leaf Retention: Deciduous

Growth Requirements

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

Common Uses

Bee Garden, Bird Garden, Border Plant, Butterfly Garden, Deer Resistant, Fragrant, Hummingbird Garden, Low Maintenance, Street Planting, Water Garden

Natural Habitat

Moist meadows, marshes, and riverbanks

Other Names

Common Names: Joe Pye Thoroughwort, Joe-Pye Thoroughwort, Coastal Plain Joe-Pyeweed, Eupatoire Douteuse, Coastal Plain Joepyeweed, Joepye Thoroughwort

Scientific Names: , Eupatorium dubium, Eutrochium dubium, Eupatoriadelphus dubius, Eupatorium verticillatum, Eupatorium ternifolium, Eupatorium americanum, Eupatorium purpureum f. dubium, Eupatorium purpureum f. ternifolium, Eupatorium purpureum var. ternifolium

GBIF Accepted Name: Eutrochium dubium (Willd. ex Poir.) E.E.Lamont