Hosta undulata

Hosta 'Undulata' is a cultivar of the genus Hosta, widely cultivated as ornamental plants in borders or as specimen plants. It was formerly regarded as a species under the name Hosta undulata (Otto & A.Dietr.) L.H.Bailey. It is not accepted as a species by the World Checklist of Selected Plant Families as of August 2011, and has been relegated to cultivar status by Schmid. Tolerating temperatures as low as −30 °C (−22 °F), H. 'Undulata' and its related cultivars are widely grown in temperate zones. Garden performance is best in partial to moderate shade, in well-drained moist soil. Hostas in the 'Undulata' group include an all-green cultivar, 'Undulata Erromena'; a white-edged cultivar, 'Undulata Albomarginata'; and white-centered (medio-variegated) cultivars that may be grouped according to the amount of white in the leaf. The typical H. 'Undulata' has a wide white center, wider than the green of the margins. Over time (or as a cultivar selection), the white center can narrow to a fo......read more on Wikipedia.