Wildflowers of Toronto's High Park​​

Dogbane, spreading
​Apocynum androsaemifolium

​Family: Dogbane
Perennial
Native to Ontario

Blooms: June to August
Habitat: Fields and dry areas

A shrubby plant growing in colonies.
Height: up to 1 m 

Flowers: 6-9 mm in clusters

Pollinated by butterflies. Small flies that try to take the nectar can become trapped and die.

Same family as milkweed. Monarch caterpillars feed on its leaves, making them poisonous to birds.