Marigold Seeds - Durango Series56 63 days. Durango Series marigold seeds are an adorable, compact, and vibrant addition to grow in any home or garden. Durango Series seeds grow hardy 10 12 bushy marigold mounds tidy enough for indoor gardening, yet robust enough to keep outside during the long summer months. Durango Series marigold seeds promise dazzling 2 anenome like heads atop robust stalks certain to excite any garden, fresh cut arrangement, or bouquet. Durango Series marigolds