85-95 Days to maturity. Celosia plumosa. Forest Fire Celosia Flower Seeds. Non-GMO, Annual. These classic Celosias are high performers throughout the summer with their densely packed and vibrantly colored spires. Known for adding height and visual interest among gardeners, these unique bloomers are just the splash of red your flower bed needs! The plant matures at 30 inches tall with sophisticated bright red spikes that are sure to be the eye-catching centerpiece you are seeking. Approximately 39,000 seeds/oz.