Aster 'Peter III Blue'
1 quart pot
 
Perennial with lavender/blue flowers in late summer that covers the whole plant. Great plant to add late summer and fall color in the garden when other perennials tend to slow down. Does best in well-draining soil. 
 
Herbaceous perennial
Full sun
Zone 5
Grows 12-24 in. tall
Spacing: 18-24 in.
Blooms Aug-Oct