Mistflower

Ageratina riparia
Mistflower: Ageratina riparia Mistflower: Ageratina riparia

Common name:

Mistflower

Scientific name:

Ageratina riparia (Asteraceae)

Alternative common names:

Creeping crofton weed

The mistflower grows up to 1m high with weak, purplish stems. It has dark green, non-aromatic leaves 8-30mm wide. White flowers in terminal clusters appear from August to December. It invades stream banks, roadsides and plantations.

Additional Info

  • Where does this species come from?

    Mexico

    What is its invasive status in South Africa?

    Existing legislation: CARA 2002 – Category 1 NEMBA – Category 1b

    Where in South Africa is it a problem?

    Western Cape and Gauteng

    How does it spread?

    Seed dispersal

    Why is it a problem?

    Competes with indigenous species

    What does it look like?

    General description: The mistflower grows up to 1m high with weak, purplish stems. Leaves: Dark green, 8-30mm wide leaves. Flowers: White flowers in terminal clusters, from December to August. Fruit/seeds: Dry, hard fruit, 2mm long.

    Does the plant have any uses?

    Planted as an ornamental.