Polygonatum curvistylum Hua
Bloom Time: Late spring
Polygonatum curvistylum is a rare perennial that produces low arching stems, rarely more than 15 inches (37.5 cm) tall, clothed with elegant whorls of narrow, lanceolate leaves with unusual leaf tips. In late spring, 2 to 8 flowers are produced in the upper leaf axils, followed by coral-red, fleshy fruits. The flowers are initially almost white, but they soon mature to a rose-red with the flared, open mouth stained internally with a darker red.
USDA hardiness zones 5a to 8b: from −20 °F (−28.9 °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 the acidic to the neutral zone. These plants need some shade to thrive truly. The damp shade is even better, although once established, they are quite 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.
Polygonatum curvistylum is native to Yunnan province in China.
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