Tagetes patula A knockout of a marigold, Colossus will dwarf other French varieties with its magnificent, jumbo flowers. Dynamic, bicolor blooms in orange and deep red cover the mounding, 12 inch tall plants. Colossus puts on a vibrant show when massed in a border, or garnish your veggie garden with these colorful, beneficial companion plants. Approximately 300 seeds per gram. Germination code: (1) or (4)