https://plants.ces.ncsu.edu/plants/ageratina/common-name/white-snakeroot/
White Snakeroot - Ageratina | North Carolina Extension Gardener Plant Toolbox
white snakerootnorth carolinaageratinaextensiongardener
https://pfaf.org/user/Plant.aspx?LatinName=Ageratina+ligustrina
Ageratina ligustrina PFAF Plant Database
Ageratina ligustrina is an evergreen Shrub growing to 5 m (16ft 5in). See above for USDA hardiness. It is hardy to UK zone 10 and is frost tender. It is in...
ageratinapfafplantdatabase