Seed Needs Bulk Package of 10,000 Seeds, Dandelion Herb (Taraxacum officinale) Non-GMO Seeds Quality Dandelion seeds packaged by Seed Needs. Each packet measures 3.25 inches wide by 4.50 inches tall and contains approximately 10,000 seeds. Dandelion is an edible herb that is ready for harvesting in roughly 95 days. The leaves are popularly used in salads. Dandelion herbs are perennials that will grow to a mature height of about 8 to 18 inches tall. The plants will produce yellow flowers, reaching a diameter of about 1 inch to 1.5 inches wide. All Dandelion 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.