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PlantSnap
Plant Care
Angular solomon's seal
(Polygonatum involucratum)
Also Known As
Angular solomon's seal, Himalayan solomon's seal, Involucrate solomon's seal, Giant solomon's seal
About This Plant
Polygonatum involucratum is a perennial herbaceous plant species native to Japan. It grows up to 1 meter tall and has arching stems with alternate leaves. The flowers are small and white with green tips, hanging from the axils of the leaves.
Plant Care Instructions
Outdoor Size Range
24-36 inches (60-90 cm)
Light Requirements
Japanese Solomon's Seal prefers partial to full shade, but can tolerate some morning sun.
Humidity Needs
Japanese Solomon's Seal prefers moderate to high humidity levels.
Fertilizing Schedule
Fertilize once a month during the growing season with a balanced fertilizer.
Pruning Guidelines
Prune Japanese Solomon's Seal after blooming to remove dead or damaged stems and leaves.
Common Pests and Diseases
Japanese Solomon's Seal is generally pest-free, but can be susceptible to snails and slugs.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
This plant species prefers consistently moist soil, but not waterlogged. Watering should be reduced in winter when the plant is dormant.
Temperature Range
This plant species prefers cool temperatures, between 60-75°F (15-24°C).
Growing Season
The growing season for Japanese Solomon's Seal is from spring to fall.
Growing Difficulty Level
This plant species is relatively easy to grow.
USDA Hardiness Zones
Japanese Solomon's Seal can grow in USDA hardiness zones 4-8.
Did You Know?
The rhizomes of Japanese Solomon's Seal are used in traditional Japanese medicine to treat a variety of ailments, including sore throats and digestive issues.
