There are two species of marigold, namely, African marigold (Tagetes erecta) and French marigold (Tagetes patula). Inter-specific hybrids between these two species also have been evolved, which are known as Red and Gold hybrids. Varieties under this group are Nugget, Show Boat and Red Seven Star.
African marigold varieties
Apricot, Primrose, Sun Giant, Guinea Gold, Fiesta, Golden Yellow, Hawaii, Crown of Gold, Honey Comb, Cupid, Pusa Narangi Gaintha and Pusa Basanti Gaintha.
French marigold varieties
Rusty Red, Naughty, Marietta, Flame, Star of India and Harmony.