This grower is sure of this plant identification.
Solomons Seal. Harmful if eaten. From China, similar to odoratum. Creamy flowers under arching stems in spring. 1m. Well-drained fertile soil, cool shade.
Polygonatum hirtum. This species is a rhizomatous perennial with alternate, lance-shaped to ovate leaves. From late spring to mid summer single tubular, green tipped white flowers which are followed by round black fruit.
They will need a rich moist soil with a shady spot.
Foliage and flowers, good for borders.