Eupatorium
( yew - pat - TOH - re - um )
At-A-Glance InformationKnown commonly as Bonesets, Thoroughwarts, or Snakeroots, these perennial flowering plants grow best in light shade in hot climates, but can take full sun elsewhere. Their water needs vary depending on the species. The clusters of colorful flowers rich in nectar and pollen will attract butterflies to your garden. Many species are considered wild plants, and reach between 2 and 10 feet tall when in bloom.
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Eupatorium Species and Varietals
The genus Eupatorium includes between 36 and 60 species and is a member of the plant family Asteraceae. The genus is named for Mithridates Eupator, King of Pontus. The best growing zones for Eupatorium vary depending on the species. For more information, see the descriptions below. To find your zone, click here: Zone Map.
Eupatorium dubium 'Little Joe' (Dwarf Joe Pye Weed) This species grows best in zones 1-9 and 14-17 and is native to the Eastern United States. It grows to 4 feet tall and just as wide and produces large domes of small lavender flowers in late summer and fall. Variety 'Baby Joe' is a smaller selection gets to 2.5 feet tall and wide. This species requires moderate amounts of water. |
Eupatorium maculatum (Eupatorium purpureum maculatum) (Spotted Joe Pye Weed) This native of the eastern United States grows to 6 feet tall and 3 feet wide. Stems are spotted purple, and plants in this species need ample amounts of water. Lime should be added at the time of planting if soil is acidic. Variety 'Gateway' is compact, bushy and grows to about 5 feet tall and has dusky-rose colored flowers. |
Eupatorium purpureum (Joe Pye Weed) This species grows best in zones 1-9 and 14-17 and forms a clump of hollow stems 3-9 feet tall and 1-3 feet wide. Leaves have a vanilla scent when bruised or crushed. Large domes of purple flowers pop in late summer or fall. This species needs rich, alkaline soil and ample water. Variety 'Album' has creamy white blooms. |
Eupatorium rugosum (Ageratina altissima) (White Snakeroot) This species grows best in zones 1-10 and 14-17. It is native to the eastern United States. It gets to 4 feet tall and 2 feet wide, with stems and leaves heavily marked with deep brown-red. Fluffy clusters of white flowers pop in summer and early fall. It needs alkaline, rich soil and ample water. Variety 'Chocolate' has especially deep foliage color. |
Caring for Name
Pinching tips in early summer will create a bushier looking plant.
Propagation
Problems and Pests
Gallery
Videos
A video all about growing camellias successfully
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Propagating camellias
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Resources
The New Sunset Western Garden Book: The Ultimate Gardening Guide (2012) - Page 315, Eupatorium
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