85-95 Days to maturity. Celosia plumosa. Prestige Scarlet Crested Celosia Flower Seeds. Non-GMO, Annual. These celosias won the All American Selections for 1997 and continue to wow the world! They produce a central flower but continue to branch, spreading to about 15 to 20 inches. During growth, numerous branches produce slightly smaller scarlet cockscombs for an effect similar to a dwarf conifer with scarlet ornaments. The 3 1/2 inch wide combs are borne over a longer season than other cristatas. Approximately 39,000 seeds/oz.