Tradescantia ohiensis, Ohio spider wort

Category: Sun Perennials
Family: Commelinaceae
Origin: eastern US
Evergreen: no
Flower Color: purple
Bloom Time: late spring, summer
Height: 2 to 3 ft
Width: 3 ft spreading
Exposure: part sun to bright shade
Irrigation: low to medium
Cold Hardiness: -40 F
Description: Trim flower stalks in fall to promote leaf growth. Makes a nice glaucous ground cover after a few years.