Horehound is a hardy perennial herb, native to Europe and naturalized in many parts of North America. Often found in poor soil, Pompon grows to 2 feet with a bushy spreading habit. The whole plant is covered with a soft, wooly felt which gives it a whitish-gray appearance. Thick leaves are about 1" long, oval-shaped and opposite each other on square stems. Flowering from June to September, the tiny white flowers are arranged in tight whorls around the leave axils. The flower calyx has sharp teeth that readily clings to clothing when dried.. Very ornamental. Amazing scent. Medicinal for coughs and colds.