Which perennials bloom in late summer/early fall?

Question:

Which perennials bloom in late summer/early fall?

Answer:

Late summer/early fall blooming perennials include,

• New England aster (Symphyotrichum novae-angliae),
• New York aster (Symphyotrichum novi-belgii),
• boltonia (Boltonia asteroides),
• garden mum (Chrysanthemum x morifolium),
• sneezeweed (Helenium autumnale),
• showy stonecrop (Hylotelephium spectabile),
• goldenrod (Solidago hybrids).