Wildflowers of Toronto's High Park​​

Galinsoga, hairy  or  Quickweed
​Galinsoga quadriradiata

​Family: Composite/Aster
Introduced
Annual

Habitat: Waste areas
Blooms: June to September

Height: up to 70 cm
​Stem: hairy

Flower head: 3-7 mm. Five 3-toothed white ray florets surrounding yellow disk florets.

Quickweed refers to its ability to flower within 4 weeks of germination.