Welcome to The Thacker Greenhouse, where we offer flowers, vegetables, seeds, potting soil, and more! We have all you'll need to keep your landscaping and garden beautiful this season. Shop with us at 4220 E. Lawrence Ave. Sumner, IL 62466 11 miles North of Sumner or 12 miles South of Oblong. 618-928-0617. This is only for information. To purchase, please come to the Greenhouse.