Smooth Solomon’s Seal

Photo Credit: Jean Carr

Smooth Solomon’s Seal (Polygonatum commutatum) is a drought tolerant perennial for the shade garden, native to Ontraio and Eastern North America. It adds a unique architectural structure with its arching foliage and white bell shaped flowers that dangle along the leaves. It is rhizomatous with lustrous, alternate leaves.

Quick Growing Guide

Botanical Name: Polygonatum biflorum

Botanical Family: Asparagaceae

Also Called: Great Solomon’s-seal, Solomon’s seal

En français: Sceau de Salomon

See More Plants in this Botanical Family:

Colour:

Blooms:

Sun / Shade:

Water: Moist (careful not to over water)

Pollinators:

Hardiness Zones:

You might be interested in learning more about the False Solomon Seal or the Starry Flase Solomon Seal.

In autumn the leaves of Solomon’s seal turn a vivid and saturated yellow, shading fat purple fruit, and adding unexpected perennial color to the chilling garden.

Showing Polygonatum commutatum wonderful alternate leaves
Showing Polygonatum commutatum wonderful alternate leaves
Credit: Salicyna, CC BY-SA 4.0via Wikimedia Commons

Caring for Smooth Solomon’s Seal

Easily grown in part shade to full shade in ordinary, medium-to-moist, well-drained soil. Soils should be wet and humusy. In ideal growing conditions, rhizomes slowly expand to create colonies.

Dividing Rhizomes

In the spring and fall, you can divide the plant’s thick roots. Carefully dig out the rhizomes and separate parts from the knotty root segments. Transplant them to other parts of the garden.

Companion Plants

Smooth solomon’s seal may be found in nature along forest borders, woods, meadows and fields, and woodlands. It is suitable for use in a cottage garden with slightly shaded borders or in rock gardens. Astilbe and ferns are good companion plants.

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