Japanese pearlwort
Sagina japonicafam. Caryophyllaceae
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Pl. 2FCE — Sagina japonica
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IOverview
Overview
Japanese pearlwort (Sagina japonica) is an annual or biennial forb/herb native to a wide range of East Asian regions including Assam, China, India, Japan, Korea, and Taiwan. Known for its edible leaves, this plant thrives in moist conditions with light to partial sun exposure. It can grow up to 0.2 meters tall and is adaptable to various soil types, from light sandy soils to heavier clay soils. Its distinctive feature lies in the small, white flowers that form dense clusters, giving it a unique appearance among other plants in its habitat.
Quick answers
What is Japanese pearlwort?
Japanese pearlwort (Sagina japonica) is an annual or biennial forb/herb native to a wide range of East Asian regions including Assam, China, India, Japan, Korea, and Taiwan. Known for its edible leaves, this plant thrives in moist conditions with light to partial sun exposure.
What is Japanese pearlwort used for?
Traditionally used for digestion, topical & skin. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 2 evidence-ranked uses of Japanese pearlwort
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Japanese pearlwort has been traditionally used in Chinese medicine for digestive issues, often prepared as a decoction to soothe the stomach and aid digestion.
The mechanism by which Japanese pearlwort supports digestion is not fully characterised but may involve compounds that interact with gastrointestinal receptors or enzymes.
- Japanese pearlwort is traditionally used in topical applications to support skin health, particularly for minor irritations and wounds.
The mechanism by which Japanese pearlwort supports skin health is not fully characterised but may involve anti-inflammatory or antimicrobial compounds.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Japanese pearlwort support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Japanese pearlwort thrives in full sun to partial shade and prefers moist soil that is light (sandy), medium, or heavy (clay). This annual or biennial forb can be propagated by seed. It grows up to 0.2 meters tall and is native to regions including Assam, China, East Himalaya, India, Japan, Korea, and other areas in Asia. Given its adaptability, it should grow well in temperate regions with appropriate moisture and light conditions.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Annual, Biennial
Habit
Forb/herb
Mature size
0.2 m tall
For first-time growers
How to grow Japanese pearlwort for the first time
8steps
Japanese pearlwort is a low-maintenance plant perfect for beginners, requiring minimal effort to grow and thrive.
- 1
What you'll need
Seeds or small plants, a container with drainage holes, potting soil.
- 2
Best time to plant
Plant in spring after the last frost or as a fall crop for winter hardiness.
- 3
Soil and container prep
Use well-draining soil; mix in some compost if needed. Ensure containers are clean and have drainage holes.
- 4
Sowing or transplanting
Direct sow seeds 0.5 cm deep, spacing them about 10-15 cm apart. Alternatively, transplant small plants into the container.
- 5
First two weeks
Keep soil consistently moist but not waterlogged. Place in a sunny spot; partial shade is okay if temperatures are high.
- 6
Ongoing care
Water regularly to keep soil evenly moist, especially during dry spells. Fertilize lightly every 4-6 weeks with a balanced liquid fertilizer.
- 7
Harvest or pruning
Pinch back stems to encourage bushy growth and prevent legginess. Harvest leaves as needed for culinary use.
- 8
Common mistakes
Overwatering, planting in heavy soil that doesn't drain well, neglecting to pinch back stems.
VIEdible & utility
Edible & utility
Edible parts:Leaves
Edible uses: The leaves of Japanese pearlwort are edible and can be eaten raw or cooked. They are often used in salads for their mild flavor. The plant is native to several Asian regions including Japan and China, thriving in moist, light soils.
Contextrange · companions · related
VIIDistribution
20 native · 10 introduced
Distribution
20 native · 10 introducedDistribution across2 continents· 20 native· 10 introduced
Asia6 regions
native (6)ChinaIndiaJapanNepalSouth KoreaTaiwan
Americas1 region
introduced (1)Costa Rica
Broader regions
native:Kuril Is., Nansei-shoto, Primorye, Sakhalin, East Himalaya, Ogasawara-shoto, Kamchatka
introduced:Masachusettes, Connecticut, Illinois, Massachusetts, Mexico Gulf, New Hampshire, New York, Newfoundland, Ohio
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Caryophyllaceae), common use cases, and growing requirements.
same family · Caryophyllaceae
Botanical relatives — often share phytochemistry + growing needs.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
XII
About this entry
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