Woodland Phlox - Phlox divaricata

This is in the round pint pot. 

Also known as Wild Sweet William and Wild Blue Phlox.

Features: Most happy in a woodland setting, with open shade. An attractive early season nectar source for a range of bees, flies, butterflies and moths, this spring wildflower makes a good groundcover.

Light:  Partial shade

Soil: Medium to moist

Height: 1-2 feet

Blooms: May to June

See more information and photos at Illinois Wildflowers and USDA Plants Database