Western snakeroot (Ageratina occidentalis)

Common names:
Give a thumbs up Western snakeroot
Give a thumbs up Western thoroughwort

Botanical names:
Ageratina occidentalis Accepted
Eupatorium occidentale Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Maximum recommended zone: Zone 9b
Flower Color: Pink
Flower Time: Summer
Late summer or early fall
Propagation: Seeds: Self fertile
Pollinators: Various insects

Photo by John Rusk

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