Blue Star Creeper (Isotoma fluviatilis) is the #1 selling STEPABLE® plant. Perfect as a lawn substitute, excellent between stepping stones, under roses, around ponds, patios and decks. This is a show stopper in a container or planted in a topiary and is amazing over flower bulbs. Super easy to grow and can bloom spring through summer if conditions are right. Blue Star Creeper can also survive up to -20 with snow cover.
Size: #4 True
Spacing: Plant 12″ apart.
Height: Tight to the ground
How To Grow: Plant in part shade (morning sun) to full sun.
Foot Traffic: Heavy
Hardy Zones: 6,7,8,9
Tips: Blue Star Creeper can handle heavy foot traffic and can be evergreen in temperate climates or protected areas. It is also tolerant of humidity.
Uses: A ground cover in and around Patios, Pathways, Ponds, Pools, Borders, Lawn Substitute
(information provided by http://www.stepables.com/5/Isotoma_fluviatilis_Blue_Star_Creeper.html and picture © 2011 Under A Foot Plant Co.)