Ageratina altissima 'Chocolate' (snakeroot 'Chocolate') is a member of the Asteraceae family. This perennial exhibits a bushy growth habit and is characterized by its deciduous foliage. It has a hardiness rating of hardy – cold winter (-15 to -10ºc), and is hardy through most of the uk even in severe winters. may not withstand open or exposed sites or central / northerly locations. many evergreens suffer foliage damage and plants in pots will be at increased risk. .
When fully mature, Ageratina altissima 'Chocolate' can reach an ultimate height of 0.5–1 metres and a spread of 0.5–1 metres. For optimal growth, it prefers west–facing, east–facing aspect and sheltered exposure. It thrives best in chalk, clay, loam soil types and should be placed in a partial shade position.
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