This is a large genus of over 40 species consisting of plants with composite flowers mainly native to North America. They are perennial herbs with opposite or whorled leaves and showy clusters of small tubular flowers from which the branched style generally extends.

Eupatorium aromatlcum Wild Hoarhound
E. coelestinum Mist-flower, Hardy Ageratum,
Blue Boneset
E. hyssopifolium Thoroughwort
E. maculatum Joe Pye Weed
E. perfoliaturn Boneset
E. purpureum Bluestem Joe Pye Weed
E. rugosum white Snakeroot

Species Hgt (ft) Flower Color
E. coelestinum 2-3 Blue
E. purpureum 4-7 Purple
E. rugosum 3-5 white

* Guides and Keys are from the book "Herbaceous Perennial Plants A Treatise on their Identification, Culture and Garden Attributes" by Dr Allan M. Armitage of the University of Georgia. Varsity Press, Athens, Georgia. 1989 ISBN 0-942375-00. More on Dr Armitage and his other books.

 

 
Copyright © 2000-