Blue Mistflower is a great late-bloomer, good for many late-season polllinators. The fluffy blue flowers sit atop plants that are around 2 feet tall. It can spread aggressively to create a dense colony, so give it plenty of space or plant it in a container.
Conoclinium coelestinum (Blue Mistflower)
$6.00Price
Sun: full sun to part shade
Soil: average to wet
Height: 2-3 ft
Bloom color: lavender
Bloom Time: July-October
Cbaile19, CC0, via Wikimedia Commons