Hoary Aster: The big purple daisies of this fall-blooming biennial light up the Boise foothills in fall. In the garden, the plants will flower vigorously, then self-sow and reappear the following year. Pollinators: bees, butterflies.
![](https://waterthriftyplants.com/wp-content/uploads/2013/07/Macheranthera-canescens-sq.jpg)
Hoary Aster: The big purple daisies of this fall-blooming biennial light up the Boise foothills in fall. In the garden, the plants will flower vigorously, then self-sow and reappear the following year. Pollinators: bees, butterflies.