Oriental lady's thumb
Polygonum longisetumfam. Polygonaceae
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Pl. 2711 — Polygonum longisetum
Polygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetumPolygonum longisetum
IOverview
Overview
Oriental lady's thumb (Polygonum longisetum) is a shrub in the Polygonaceae family, native to regions including Amur, China, India, Japan, and other parts of Asia. Known for its edible leaves and seeds, as well as documented medicinal uses, this plant thrives in moist to wet conditions with light to partial shade. It can grow up to 0.5 meters tall and is adaptable to various soil types, including sandy, medium, and clay soils. Its distinctive feature lies in its ability to flourish in diverse environments across its native range while providing both culinary and traditional medicine benefits.
Quick answers
What is Oriental lady's thumb?
Oriental lady's thumb (Polygonum longisetum) is a shrub in the Polygonaceae family, native to regions including Amur, China, India, Japan, and other parts of Asia. Known for its edible leaves and seeds, as well as documented medicinal uses, this plant thrives in moist to wet conditions with light to partial shade.
IV·bMixology suggestions
2 drafts
Mixology suggestions
2 draftsEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Gentle Digest
digestiontincture
Historically used for digestive support.
Growingconditions · propagation · uses
VCultivation
Cultivation
Oriental lady's thumb thrives in full to partial sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay). It can grow up to 0.5 meters tall and has a shrub-like habit. This annual plant is hardy in temperate regions and is native to various parts of Asia and the Philippines. For cultivation, ensure the soil remains consistently moist; it can tolerate a range of soil types but prefers well-drained conditions. Harvest its edible leaves and seeds for use.
Light
Full sun, Partial sun/shade
Water
Moist, Wet
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Annual
Habit
Shrub
Mature size
0.5 m tall
For first-time growers
How to grow Oriental lady's thumb for the first time
8steps
Start with Oriental lady's thumb as an easy-to-grow annual for a beginner gardener.
- 1
What you'll need
Seeds, a small trowel or scoop, and some compost.
- 2
Best time to plant
Plant in early spring after the last frost, or start seeds indoors about 4 weeks before the last expected frost.
- 3
Soil and container prep
Choose a spot with partial sun to full sun. Ensure soil is moist, well-draining, and rich in organic matter; amend as needed with compost.
- 4
Sowing or transplanting
Direct sow seeds 0.5 cm deep and about 15 cm apart. Alternatively, start seeds indoors and transplant seedlings when they have two true leaves.
- 5
First two weeks
Keep the soil consistently moist during germination. Thin out seedlings to ensure each plant has enough space once they grow.
- 6
Ongoing care
Water regularly, especially in dry periods, and mulch around plants to retain moisture. Fertilize lightly with compost every few weeks.
- 7
Harvest or pruning
Prune back any dead or yellowing leaves to encourage new growth. Harvest young leaves for cooking as needed.
- 8
Common mistakes
Overwatering, not providing enough sunlight, and neglecting regular pruning are common issues beginners should avoid.
VIEdible & utility
Edible & utility
Edible parts:LeavesSeed
Edible uses: The leaves and seeds of Oriental lady's thumb are edible. The leaves can be eaten raw or cooked in various dishes, while the seeds are typically used after being dried. Both parts add a mild flavor to food.
Contextrange · companions · related
VIIDistribution
26 native · 4 introduced
Distribution
26 native · 4 introducedDistribution across2 continents· 26 native· 4 introduced
Europe1 region
native (1)Russia
Asia10 regions
native (10)ChinaIndiaJapanMongoliaMyanmarNepalPakistanPhilippinesSouth KoreaTaiwan
Broader regions
native:West Himalaya, Jawa, Nansei-shoto, Tuva, Krasnoyarsk, Primorye, Kuril Is., Amur, Khabarovsk, Sakhalin
introduced:Transcaucasus, Michigan, Texas, Tennessee
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 (Polygonaceae), common use cases, and growing requirements.
same family · Polygonaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
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Companion planting
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