Eupatorium rugosum 'Chocolate'
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Tried and True Recommended by 6 Professionals
Species Native to Missouri
Common Name: white snakeroot
Type: Herbaceous perennial
Family: Asteraceae
Zone: 4 to 8
Height: 3 to 5 feet
Spread: 2 to 3 feet
Bloom Time: September to October
Bloom Color: White
Bloom Description: White
Sun: Full sun to part shade
Water: Medium to wet
Maintenance: Low
Flowers: Showy Flowers
Wildlife: Attracts Butterflies
Tolerates: Deer
Uses: Rain Garden, Will Naturalize

Culture

Easily grown in average, medium to wet, well-drained soils in full sun to part shade. Prefers full sun in moist, humusy soils, however, plants do well in light shade and generally have better shade tolerance than most other species of Eupatorium/Ageratina. Deadhead spent flower heads to avoid any unwanted self-seeding (cultivar does not come true from seed).

Noteworthy Characteristics

This cultivar of eupatorium features small white fluffy flowers (composites with rays absent) arranged in rounded, broccoli-sized heads (corymbs to 6" across) atop shiny purple stems typically rising 3-5' tall. Sharp-toothed, lance-shaped to elliptic-oblong leaves (4-7" long) are chocolate-tinted, thus giving rise to the cultivar name. An exclusive introduction of the Mt. Cuba Center of Greenville, Delaware. This plant is synonymous with and often sold as Ageratina altissima 'Chocolate'. The species (commonly called white snakeroot) is native to woodlands in the Eastern United States including Missouri and is similar in habit to boneset (Eupatorium perfoliatum).

Problems

No serious insect or disease problems. Leaf miners are sometimes attracted to the foliage. Self-seeding can border on being aggressive in optimum growing conditions.

Garden Uses

Borders, cottage gardens, wild gardens, woodland gardens and naturalized areas.

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