Polygonatum multiflorum (L.) All.
Solomon's Seal, Common Solomon's Seal, David's Harp, Ladder-to-heaven, Eurasian Solomon's Seal
Convallaria multiflora (basionym), Convallaria ambigua, Convallaria bracteata, Convallaria broteroi, Convallaria govaniana, Polygonatum ambiguum, Polygonatum bracteatum, Polygonatum govanianum, Polygonatum gussonei, Polygonatum intermedium, Polygonatum salamonis
Color: White and green
Bloom Time: June
Polygonatum multiflorum is a rhizomatous perennial that grows up to 3 feet (90 cm) tall and up to 10 inches (25 cm) wide, with alternate leaves on arching stems. The flowers are slightly necked, pendent, tubular, white, with green tips, hanging from the undersides of the stems.
USDA hardiness zone 4a to 8b: from −30 °F (−34.4 °C) to 20 °F (−6.7 °C).
How to Grow and Care
Plants are usually started by transplants or rhizomes. Seeds of Polygonatum can take up to 2 years to sprout so that you will get some seeding in established plantings.
Solomon's Seal like a rich organic soil with a pH in acidic to the neutral zone. They need some shade to thrive truly. The damp shade is even better, although once established, they are quite a drought-tolerant. Plants can be started in the spring or fall. Plant only 1 to 2 inches (2.5 to 5 cm) deep and about 2 to 3 inches (5 to 7.5 cm) apart.
Solomon's Seal seldom needs division. It takes several years before a clump is large enough to divide for propagation purposes. When ready, divide in early spring or fall and leave several buds on each division, for the best success. The rhizomes can be divided even further, but it will take longer for them to become established. Another option is to remove and plant just the offsets at the out edges of a clump. See more at How to Grow and Care for Solomon's Seal.
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