Ageratina altissima var. altissima
Asteraceae (Aster Family)
An erect, much-branched perennial
up to 4 ft. tall. Large, opposite,
pointed-oval leaves. Flowers are tiny, pure white, and in flattish clusters near the top of the stalk.
Image Gallery: 9 photo(s) available
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Aug , Sep , Oct
, DC Canada: NB
, SK Native Distribution:
Eastern Canada to Sask., s. to WV,
& e. TX Native Habitat:
Rich woods; thickets; clearings; shady river bottoms
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Moist
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Rich soils.
Conditions Comments: Spreads by seed and can become weedy.
BenefitConspicuous Flowers: yes