Strong white centers surrounded by green edges make hosta 'Vulcan' leaves shine in the garden. Tuck plants into partial shade for best growth. Morning sun with afternoon shade or high dappled shade is ideal. Lavender blooms in mid- to late summer lure hummingbirds. Divide plants when they’re fully established—wait at least three years after planting if you are dividing to multiply plants. Otherwise, wait until five to eight years before dividing. 'Vulcan' is hardy in Zones 3 to 9.