The Heat is On Award Winning Heat Tolerance If you are looking for colorful varieties that will stand up to the heat and humidity of summer conditions, look no further than The Heat is On® collection. These amazing plants have been bred for heat tolerance, trialed and selected by Proven Winners® plant-development experts, and proven to be virtually bulletproof in warm climates. You can be confident that these heat tolerant choices will be " hot " sellers with your savvy customers and home gardeners. Here are the hottest varieties for warm weather applications. PLUM DANDY™ Alternanthera DOUBLE UP™ Begonia series ANGELFACE® Angelonia series SUREFIRE® Begonia series HEART TO HEART® Caladium series LADYBIRD® Sunglow Calylophus TOUCAN® Canna series COLORBLAZE® Coleus series 182 734-654-6420 TOTALLY TEMPTED™ Cuphea series GRACEFUL GRASSES® TUT Cyperus series DIAMOND® Euphorbia series