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Juglans sinensis

Juglans sinensis
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Juglans sinensis (Juglans sinensis) — botanical photograph
Pl. C519 — Juglans sinensis
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I

Overview

Juglans sinensis, commonly known as the Chinese walnut tree, is a deciduous tree native to regions including Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Poland, Transcaucasus, and Turkey. This tree can grow up to 20 meters in height and thrives in moist, light (sandy), medium, or heavy (clay) soil with a pH range of 6 to 7.5. It is valued for its edible seeds, which are both nutritious and tasty, and can be used in various culinary applications. The Chinese walnut tree is adaptable and can be found growing naturally across its native range, making it a useful addition to gardens and landscapes in similar climates. The tree features green flowers and coarse green foliage, with a growth form that is single-stemmed and rapid-growing. It requires partial shade and prefers moist, well-draining soils. The Chinese walnut tree is also known for its traditional use in herbal sources, where it is used around after-meal comfort traditions, often as a decoction. PlantSage presents this as ethnobotanical context, not as medical advice. In cultivation, the Chinese walnut tree can be propagated through seed, with seeds planted in fertile, well-draining soil. Regular watering is essential to keep the soil moist but not waterlogged. This tree is adaptable and can be introduced into a wide range of climates, including Albania, Algeria, Assam, Austria, Belgium, and many others, making it a versatile addition to gardens and landscapes.

Quick answers

What is Juglans sinensis?

Juglans sinensis, commonly known as the Chinese walnut tree, is a deciduous tree native to regions including Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Poland, Transcaucasus, and Turkey.

What is Juglans sinensis used for?

Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.

Best for
Top 1 evidence-ranked use of Juglans sinensis
Jump to full evidence →
Clinicaluses · safety · chemistry · dosagemedicinal profile
II

Benefits & evidence

1 claim · traditional-use context
Traditional-use context
These notes are presented as ethnobotanical context. No cited clinical references are catalogued for this plant yet.
  • Traditional-use note: Juglans sinensis appears in herbal sources around after-meal comfort traditions, often as a decoction. PlantSage presents this as ethnobotanical context, not as medical advice.

    Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.

    ▲ LimitedDigestion →
Growingconditions · propagation · uses
V

Cultivation

Juglans sinensis thrives in light to partial shade and prefers moist, well-draining soils that are light (sandy), medium, or heavy (clay). The tree is hardy in temperate regions but can grow up to 20 meters tall. For optimal growth, maintain a soil pH between 6 and 7.5. Propagate through seed, ensuring the seeds are planted in fertile, well-draining soil. Water regularly to keep the soil moist but not waterlogged.
Light
8/10
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Habit
Tree
Mature size
20.0 m tall
Soil pH
6–7.5
Seasonal calendar
Northern hemisphere · UTC month is November
winterspringsummerautumnwinter
BloomJFMAMJJASOND
For first-time growers

How to grow Juglans sinensis for the first time

8steps

Start with planting Juglans sinensis as a simple, rewarding project for beginners.

  1. 1

    What you'll need

    A Juglans sinensis seed or young sapling, a small trowel, and some compost.

  2. 2

    Best time to plant

    Plant in early spring when the soil is workable but not too wet.

  3. 3

    Soil and container prep

    Ensure the soil drains well; mix in compost if necessary. For containers, use a pot at least 30 cm wide and deep.

  4. 4

    Sowing or transplanting

    Plant seeds about 2.5 cm deep and 15 cm apart. Transplant young saplings to their final spot.

  5. 5

    First two weeks

    Keep the soil moist but not waterlogged. Water regularly, especially if it's dry.

  6. 6

    Ongoing care

    Water when the top inch of soil feels dry and mulch around the base to retain moisture. Fertilize once a year in spring with compost.

  7. 7

    Harvest or pruning

    Prune young trees to shape them, removing weak branches. Mature trees may not need regular pruning.

  8. 8

    Common mistakes

    Overwatering, planting too deep, and neglecting proper pruning are common issues beginners should avoid.

VI

Edible & utility

Edible parts:Seed
Edible uses: Oil
Other uses:Herbicideoil
Contextrange · companions · related
VII

Distribution

10 native · 50 introduced
Distribution across3 continents· 10 native· 50 introduced
Europe20 regions
native (2)PolandRussia
introduced (18)AlbaniaAustriaBelgiumBulgariaCyprusDenmarkFranceGreeceHungaryItalyNorwayPortugalRomaniaRussiaSpainSwitzerlandUkraineUnited Kingdom
Asia15 regions
native (5)AfghanistanIranIraqPakistanTurkey
introduced (10)ChinaIndiaKazakhstanLaosNepalOmanSouth KoreaTurkmenistanUzbekistanVietnam
Africa4 regions
introduced (4)AlgeriaLibyaMoroccoTunisia
Broader regions
native:Lebanon-Syria, Transcaucasus, West Himalaya
introduced:East Aegean Is., East Himalaya, Kirgizstan, Kriti, Mexico Southwest, Tadzhikistan, Turkey-in-Europe, Yugoslavia
IX

Specimen gallery

1 image
Juglans sinensis (Juglans sinensis) — botanical photograph
Juglans sinensis (Juglans sinensis)
X

See also

8 related
XI

Explore further

XII

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