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Eutrochium dubium

coastal plain Joe-Pye weed add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun, part-shade

Water Use: medium

Soil Moisture: moist, wet

Soil Description: acid, average, poor, clay, sand

Height: 2'-5'

Bloom Time: July, August, September

Bloom Color: purple, pink, lavender

Leaf Color: green

Hardiness Zone: 5, 6, 7, 8

Additional Tags: attracts bees, attracts birds, attracts butterflies, bog plant, clumping, colonizing, pond margin plant, stream margin plant, swamp plant

Flowers of Eutrochium dubium (coastal plain Joe-Pye weed)
  • Flowers of Eutrochium dubium (coastal plain Joe-Pye weed)
  • Flowers of Eutrochium dubium (coastal plain Joe-Pye weed)
  • Flowers of  Eutrochium dubium (coastal plain Joe-Pye weed)
  • Flowers of  Eutrochium dubium (coastal plain Joe-Pye weed)

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Eutrochium dubium

Also known as:

coastal plain Joe-Pye weed


eastern Joe-Pye weed


Joe-Pye weed


Joe-Pye thoroughwort


little Joe


Joe Pye weed

Scientific Synonyms:

Eupatorium dubium, Eupatoriadelphus dubius


Eutrochium dubium is among the smallest species within the genus, topping off at about 5', and it is also one of the most shade tolerant. The leaves are whorled, coarsely serrated, and marked by prominent veins. The stems are robust and spotted with purple. It produces dense clusters of deep-pink to purplish flowers. Both the stems and spent seed heads remain attractive through fall and provide good winter interest.


The relatively small size of this species of Joe-Pye weed, make it well suited for garden settings. It is a moisture loving plant that will even withstand occasional flooding. It prefers well-drained soil, but will tolerate some clay. To avoid leaf scorch, care should be taken to not let the soil dry out for long periods. The blooming period lasts for well over a month, beginning mid to late summer. Zones 5-8


Propagate by root division of mature clumps in spring when the first new shoots appear or in fall when the plant goes dormant. May also be propagated by softwood cuttings or from cold stratified seeds.

Additional Notes

The nectar rich flowers of coastal plain Joe-Pye weed will attract a great variety of pollinators.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:

USDA Endangered Status:

  • Threatened: ME


Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Eutrochium
Species Eutrochium dubium coastal plain Joe-Pye weed