Seed Needs, Florence Fennel Herb (Foeniculum vulgare) 700 Seeds Quality Fennel 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. This herb grows to a mature height of 24 to 60 inches tall Annual plants that grow until the first frost This plant prefers an area of full sunliight All Fennel 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.