Scientific Name
Eutrochium fistulosum (Barratt) E.E.Lamont
Common Name(s)
Hollow Joe-Pye Weed, Trumpetweed, Purple Thoroughwort
Synonym(s)
Eupatorium fistulosum, Eupatorium fistulosum f. fistulosum, Eupatorium purpureum var. angustifolium
Scientific Classification
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Eupatorieae
Genus: Eutrochium
Flower
Color: Pinkish-purple
Bloom Time: Mid-summer to early fall
Description
Eutrochium fistulosum is an erect clump-forming perennial that grows up to 7 feet (2.1 m) tall. Leaves are dark green, lance-shaped, coarsely-serrated, and up to 12 inches (30 cm) long. They are held in whorls of 4 to 7 (frequently 6) on sturdy green stems, which are hollow. Tiny, vanilla-scented, dull pinkish-purple flowers in large, terminal, domed, compound inflorescences bloom in mid-summer to early fall.
Hardiness
USDA hardiness zone 4a to 9b: from −30 °F (−34.4 °C) to 30 °F (−1.1 °C).
How to Grow and Care
Sweet Joe Pye Weed is happiest with full sun to part shade in moist to wet soils. It prefers that the soil does not dry out, so clay works well for Joe Pye. It has no serious insect or disease problems.
Sweet Joe Pye Weed just isn't a fussy or difficult plant to grow. If you do not want Sweet Joe Pye Weed to spread hither and yon, cut the seed heads off.
If you are propagating by seed in the fall, then plant thickly as germination is usually low. Propagation is best from softwood cuttings taken in late spring or by division in fall as they go dormant or in the spring just as shoots first appear. See more at Growing and Using Sweet Joe Pye Weed.
Origin
This species is native to southern Canada and throughout the eastern and south-central United States from Maine west to Ontario, Wisconsin, Missouri, and south as far as Florida and Texas.
Links
- Back to genus Eutrochium
- Plantpedia: Browse flowering plants by Scientific Name, Common Name, Genus, Family, USDA Hardiness Zone, or Origin
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