"Hollow-stemmed Joe-Pye Weed is a native perennia wildflower that grows from 2 - 6 feet tall. The central stem is hollow, giving the plant its common name. The flowers are fragrant, purple or pin occur in round clusters of 5 to 7 florets per head. Flowers appear in mid- to late summer (JulySeptember). The florets produce wind-dispersed achenes (small dry seed with hair-like bristles). T ovate (egg-shaped) leaves have conspicuous veins, grow up to 10 inches long, and usually appear in whorls of 4 to 7. The fibrous root system somet p above and roots below), which create colonies" (USDA NRCS)

Uses

Ethnobotany:

"Native Americans use the tea of Hollow-stemmed Joe-Pye Weed as a diuretic. A tea of the roots is used to treat fevers, colds, chills, sore womb after childbirth, diarrhea, and liver and kidney ailments. A wash of the root tea is also used for rheumatism and as a diaphoretic." (USDA NCRS)

Landscaping and wildlife:

Hollow-stemmed Joe-Pye Weed is an outstanding plant in flower and is popular for wet or moist meadow plantings, and native landscape gardens. Make sure to give this plant ample room due to its impressive size. The nectar from the flowers is very attractive to a variety of pollinators, including butterflies, skippers, and longtongued bees. Various caterpillars, such as Schinia trifascia (Three-lined Flower Moth), Papaipema eupatorii (Eupatorium Borer Moth), and Haploa clymene (Clymene Moth) eat various portions of Eupatoriadelphus spp." (USDA NRCS)

Covers:

1. "Eupatorium fistulosum flowers plus swallow tail butterfly" By Paul Henjum  Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1618492
2. "Eupatorium fistulosum - Hollowstem Joe Pye Weed (?)" by FritzFlohrReynolds is licensed under CC BY-SA 2.0
3. "Eupatorium fistulosum" by aspidoscelis is licensed under CC BY-SA 2.0

• Botany
• Belt, Shawn, and Samantha Kirk. “Hollow-Stemmed Joe-Pye Weed.” USDA NRCS National Plant Materials Center, Beltsville, MD, p. 2.