These carefree, vibrant gaillardias are the perennial variety. They look like a real summer fiesta in reds and yellows. They are a hardy perennial for dry and sandy soils, meadows, roadsides. Full sun works well for these. Low-growing, they reach about 12-18 inches tall on average when blooming, The blooming starts in July and extends for a good month or two, and then they can bloom sporadically into the fall, sometimes putting out a second flushes in September.