84-91 days. Figaro Series dahlias are a simple way to grow classic southwestern color in your home, patio, or garden this season. Figaro Series seeds mature into tight yet robust 14-18 inch tall shrubby mounds exploding with iconic 3 inch single and double blooms perfect for showing off during summer's longest days. Figaro Series dahlia is the official flower of Mexico and promises to thrive in many hot, dry, and demanding gardens. Figaro Series dahlias are easy to grow from seed and are an international favorite grown just as popularly indoors as outside. Coated Seeds.