Eutrochium purpureum
Family:
Asteraceae
Common Name(s):
Joe Pye weed
Synonyms:
Eupatorium purpureum
Flowering Time:
July to September
Fruit/Seed Maturation Sign:
Pappus expands; achenes turn tan
Fruit/Seed Collection Dates:
Mid August, early September
Seed Cleaning:
None required
Storage:
Dry
Restoration Potential:
Low
Notes
Experimental seed addition in a small field study resulted in seedlings in 13% of plots after three years (Brudvig et al. 2011).
Moderate seed output; no vegetative spread (Barkely 1986, Gleason and Cronquist 1991); roots coarse and fibrous (Runkel and Bull 2009).
Grows up 5 feet tall (Barkely 1986, Gleason and Cronquist 1991), and may not be the best selection for urban restorations (Mabry, personal observation).
