Purchase bulbs from a reputable source - www.BrentandBeckys.comwww.Colorblends.com are two good sources for bulbs. Be weary of bulbs that are available out of season. Look for bulbs that are acclimated to southern USDA plant hardiness zones.
Ice Follies and Carlton flourish in the Brazos Valley and Robertson County, Texas. Purchase in fall, plant mid to late November.