Package of 500 Seeds, Mary Helen African Marigold (Tagetes erecta) Non-GMO Seeds By Seed Needs Quality French Marigold seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Mary Helen is an African variety of Marigold that will produce gorgeous, brightly colored blooms through the summer months. Each flower ranges in size from 1.5 to 2 inches in diameter, and displays tightly packed rows of golden yellow petals. Mary Helen will grow to a mature height of roughly 24 to 36 inches tall, and can spread roughly 12 inches wide. You might be surprised to know that Marigold flowers are not only attractive, but they will deter pesky insects as well. Bugs such as mosquitoes, fleas and ticks will stay away from these beauties. All French Marigold seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.