77-84 days. Discovery Series African marigold seeds are an adorable, compact, and vibrant addition to grow in any home or garden. Discovery Series seeds grow hardy 8-10" dwarfed bushy marigold mounds tidy enough for indoor gardening, yet robust enough to keep outside during the long summer months. Discovery Series marigold seeds promise dazzling 2-3" lush bulbs atop robust stalks certain to excite any garden, fresh cut arrangement, or bouquet. Discovery Series marigolds are durable and easy to grow from seed, ideal for indoor containers and planters or for a charming border around your flower bed.