Seed Needs, Thyme Culinary Herb (Thymus vulgaris) 500 Seeds Non-GMO Quality Thyme seeds packaged by "Seed Needs" This herb grows to a height of 12 to 18 inches tall. Space plants 8 to 12 inches apart Thyme prefers an area of full sunlight to partial shade, as well as average moisture daily. For best results, sow these seeds directly to the surface of the soil and mist them daily thereafter. All seed packets by Seed Needs include the following: The name of the plant (Both common & scientific), a viable seed percentage & seed quantity as well as clear planting instructions along with a colorful picture of the species.