- You Will Get 1000+ Seeds of Purple Creeping Thyme Groundcover Perennial Herb Seeds. - Creeping Thyme Seeds. - 1000+ Seeds. - Sow Depth: 1/16". - Life Cycle: Perennial. - Plant In Full Sun After Chance Of Final Frost. - Life Cycle: Perennial. - Sunlight: Partial Shade, Full Sun. - Watering: Medium.