Dormancy: Winter Height: 24″ tall Culture: Sun Origin: United States Forget everything you know about gaillardia and check out this unusual 2004 introduction! Gaillardia ‘Grape Sensation’ is a selection of the amazing, but very rare (three counties only) Texas native, Gaillardia aestivalis var. winkleri made by Dawn Stover of the SFA Mast Arboretum in Nacogdoches, Texas. Gaillardia aestivalis var. winkleri ‘Grape Sensation’ is a superb long-lived perennial, forming an airy 2′ tall x 3′ wide clump. Instead of typical gaillardia flowers, Gaillardia ‘Grape Sensation’ is topped with an abundance of 2″ wide grape flowers from May through October….good drainage always helps.