Package of 500 Seeds, Rose Carnation (Dianthus caryophyllus) Non-GMO Seeds By Seed Needs Quality Carnation 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. Grenadin, Rose Carnation plants will mature to a height of roughly 18 to 24 inches tall. The double petaled flowers are fragrant and beautiful, blooming through the summer months. They will attract an array of beneficial insects to the garden, such as butterflies, bumblebees, honeybees & hummingbirds as well. Grenadin Rose Carnation is easily established from freshly harvested Dianthus caryophyllus flower seeds. They can be started directly outdoors, or indoors as well. All Carnation 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.