White Snakeroot (Ageratina altissima)
Eupatorium rugosum, known as White Snakeroot is a 3’ to 5’ tall native perennial with small fluffy white flowers. A summer and fall flowering plant that grows best in medium to moist soils and in part shade. White Snakeroot attracts butterflies and is deer resistant.
Species Details
Common Name (Botanical Name) | White Snakeroot (Ageratina altissima) |
Alternatative Common Names | Common Milk-Poison |
Botanical Synonyms | Eupatorium rugosum |
Bloom Season | Summer |
Group | Wildflowers/Forbs |
Bloom Color | White |
Duration | Perennial |
Soil moisture | Medium (Mesic);Wet (Hydric) |
Soil texture | Medium (Silt/Loam);Fine (Clay) |
Sun Exposure | Part Shade |
Status | Native |
Wetland status | FACW;OBL |
pH | Neutral |
pH Values | |
Average height | 5-6ft |
USDA Zones | 3a;3b;4a;4b;5a;5b;6a;6b;7a;7b;8a;8b;9a;9b; |
RNS Region | 1;2;3 |
Planting rate/Acre | Not Recommended |
Seeds Per Lb. | 2200000 |
Seeds Per Oz | 137500 |
Seeds Per Packet | 1500 |
Product Benefits | Deer Resistant;Nectar Source; |