Wild gingers are noted as having slow to moderate growth, and therefore are not considered as being aggressive or invasive in their growth habit. Their heart-shaped leaves grow on 4 to 12 inch-long stems that rise in pairs from the rhizome. The wild gingers are noted for being vigorous groundcovers that spread by rhizomes, or underground root structures. Most of the wild gingers grow 6 to 10 inches tall and spread 12 to 24 inches wide, depending on the species. These perennials are a versatile, easy-to-grow choice for the woodland shade garden as a groundcover or massed planting with outstanding foliage interest. The number of species and cultivars offers gardeners a wide choice of leaf patterns and color for use in a shade garden. However, its fleshy root does have a spicy aroma and can be substituted for culinary ginger in your favorite Asian recipe. Wild ginger does not refer to the culinary ginger ( Zingiber officinale) that is used in stir-fry and ginger ale. James Henderson, Gulf South Research Corporation, Although wild gingers, Asarum and Hexastylis species, can be found the world over, most of the ones that are cultivated for their ornamental value are native to the shaded woodlands of Asia and North America.
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