Large Northern Aster (Great Northern Aster)
Large Northern Aster (Great Northern Aster)
Canadanthus modestus
Aster family - Asteraceae/Compositae

Wetland aster that will adapt to regular garden conditions. Will slowly spread into a large patch. Doesn’t self-seed.

Bloom time: July - August
Ht: 60cm (2 ft)
Sun or semi-shade.

Aster seeds have a low germination rate, so plant lots. You can always thin them out later. Sow the seeds directly into the garden in late fall and they will germinate in the spring. These seeds need a cold, moist stratification before they will germinate.