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Bransford, W.D. and Dolphia
Eupatoriadelphus fistulosus (Barratt) King & H.E. Robins.
Trumpetweed, Queen of the meadow, Hollow Joe-pye weed, Joe-pye weed
Synonyms: Eupatorium fistulosum
USDA Symbol: eufi2
USDA Native Status: Native to U.S.
Trumpetweed or joe-pye weed can grow from 2-7 ft. or taller in soils that are moist through the season. Narrow, lance-shaped leaves, up to 10 in. long, are whorled along the erect stem. The huge, domed flower head is composed of several branches bearing tiny pinkish-lavender florets.
The Joe-Pye Weeds have been assigned to the genus Eupatoriadelphus to separate them from the Bonesets (Eupatorium). Some sources still refer to this species as Eupatorium. The genus Eupatoriadelphus differs from the genus Eupatorium by whorled leaves, while Eupatorium has opposite leaves.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Arrangement: Whorled Size Notes:
Normally 5 to 7 feet high, but can reach 12 feet. Leaf:
Dark Green Flower: Head
6 to 14 inches across
Fruit: Size Class:
3-6 ft. , 6-12 ft.
Bloom InformationBloom Color: Pink , Purple
Bloom Time: Jul , Aug , Sep
AL , AR , CT , DC , DE , FL , GA , IL , IN , KY , LA , MA , MD , ME , MI , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WV Native Distribution:
S. ME to IL, s. to FL & e. TX Native Habitat:
Alluvial woods; meadows; bogs & marshes; stream banks USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: Medium , High
Light Requirement: Sun
Soil Moisture: Moist , Wet
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: Low
Soil Description: Moist to wet soils.
BenefitUse Ornamental: With its great height, can be a dramatic accent in the back of a garden.
Use Wildlife: An important source of honey, attracting pollinators by the score. Seeds eaten by Swamp Sparrow.
Conspicuous Flowers: yes
Attracts: Birds , Butterflies
Nectar Source: yes
Root Division , Seeds , Softwood Cuttings Description:
Sow seeds in the fall and plant thickly as germination is usually low. Propagation is also possible by softwood cuttings taken in late spring or by division. Divide the plants in fall as they go dormant, or in the spring just as shoots first appear. Seed Collection:
The nutlets mature to shiny black 4-5 weeks after the flower has faded. Only a small percentage viable; these will be plump and swollen. To collect, either take the entire
top of the plant or shake it into a paper bag. Seeds can be allowed to dry out before sowing and do not have to be perfectly cleaned. Store in a sealed refrigerated container. Seed Treatment:
This species requires or benefits from a three month period of cold-moist stratification. Commercially Avail:
If clump widens too much, divide it in fall or early spring.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Delaware Nature Society
- Hockessin, DECrosby Arboretum
- Picayune, MS
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Record Modified: 2012-12-07
Research By: TWC Staff