Tagetes patula Annual Great garden flower With blooms that range from gold, orange, yellow, red and bi-colors Annual. French Marigold is a petite mix, with flowers growing to a maximum height of 6 inches. This is an annual flowering plant, with blooms that range in shades from gold, orange, yellow, red and bi-colors. French Marigold prefers moist, well drained soil and will grow in most light conditions.