This grower is sure of this plant identification.
Variagated Solomon's Seal
Polygonatum x hybridum ‘Striatum’ (Variagated Solomon's Seal). This hybrid Solomon's Seal has graceful, arching stems of dark green, slightly pleated, leaves striped with pale green and white. In spring, white, bell-like flowers form, which are followed in autumn by black berries.
Grow in moist, humus-rich soil, in a semi-shaded position.
Grown under trees and shrubs for foliage and flowers.