Scientific Name: Ageratina altissima 'Chocolate' Form: Oval - vertical
Common Name:white snakeroot Texture:Coarse
Family Name:AsteraceaeHabit: Upright
Plant Type: Herbaceous perennial Mature Size (ht. X w.):0.7 - 1.3m x 0.6 - 1.0m
Origin: U.S. - northeast, Garden origin Hardiness Zone:Zone 4: (-34 to -29 C)
Leaves: Simple, Opposite, Soft flexible, Heavily veined, Pinnate venation, Glabrous, Ovate, Serrate
Flowers: Head (capitulum), (Corymb-like), White, Aug- Oct- Sep
Fruit: Cypsela (achene + calyx), Silver, Sep- Oct
Exposure: Full sun
Soil or Media:
Landscape Uses: Summer interest, Perennial border
Key ID Features:Leaves opposite, dark green, lance-shaped to elliptic-oval (like stinging nettle), sharp-toothed, taper-pointed, petioles long; flowers small fluffy, bright white, (composites with rays absent) arranged in loose corymbs to 7-10 cm across.