Solomon's Seal (Polygonatum odoratum)

Solomon's Seal

Polygonatum odoratum

Arching stems carry delicate blooms like dangling bells. Rhizomatous perennial herb; common name: angular Solomon's seal.

Partial sun
1/week
Beginner
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Plant Needs

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Sunlight Dappled or partial shade; avoid direct midday sun which can scorch delicate foliage
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Watering Water deeply when top 2–3 cm of soil is dry; avoid waterlogging underground rhizomes
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Temperature Hardy to -15°C; prefers cool to temperate conditions; avoid prolonged heat over 28°C
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Characteristics

  • Leaf: Alternate, lanceolate to ovate, glossy green, arranged along arching stems
  • Flower: Bell-shaped, creamy white, fragrant, dangling in pairs from leaf axils
  • Stem: Slender, arching green stems; rhizomatous underground growth
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Care Guide

Watering

Keep soil consistently moist but not soggy; mulch to retain moisture

Fertilization

Apply a thin layer of compost at the start of growth. Avoid high-nitrogen fertilizers which can prioritize leaf growth over flowering

Composted banana peel tea:Steep fully composted banana peels in water for 3 days; dilute 1:20 for root drench to support rhizome health and flowering
Pruning
  • Remove yellowing foliage after flowering to tidy clumps and improve airflow
  • Divide overcrowded rhizomes in early spring every 3–4 years to promote vigorous growth
  • Cut back dead stems to ground level in late autumn to prepare for winter dormancy
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats

Humans: No known toxic effects to humans; rhizomes are edible when cooked

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover for shaded gardens; cooked rhizomes used in some traditional herbal preparations