Earthcare Seeds Creeping Thyme 1000 Seeds Thymus serpyllum No GMO Seeds. Earthcare Seeds Brand hand packed in the USA by Earthcare Seeds. Ships from Idaho USA Edible, Fragrant, Low Growing Groundcover Delightful Planted Between Rocks and Paving Attracts Butterflies and Pollinators Self-Seeding Perennial, Grows Well in Zones 4-10