Japanese Wingnut
Pterocarya rhoifoliafam. Pterocaryaceae
Educational content — not medical, botanical, or professional advice. Plant identification, safety, and edibility depend on local conditions, cultivars, and correct identification. Consult a qualified botanist or forager before consuming or handling wild specimens. How we source & review →
Pl. BF35 — Pterocarya rhoifolia
Pterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifoliaPterocarya rhoifolia
IOverview
Overview
Japanese Wingnut, scientifically known as Pterocarya rhoifolia, is a large deciduous tree native to China North-Central, Japan, and Korea. This tree thrives in full sun and prefers moist, medium to heavy (clay) soil. It can grow up to 30 meters tall and is hardy in zones 5-9. Known for its edible seed, the Japanese Wingnut is both ornamental and useful, making it a valuable addition to gardens and landscapes. One distinctive feature of this tree is its winged samaras, which give it a unique appearance.
Quick answers
What is Japanese Wingnut?
Japanese Wingnut, scientifically known as Pterocarya rhoifolia, is a large deciduous tree native to China North-Central, Japan, and Korea. This tree thrives in full sun and prefers moist, medium to heavy (clay) soil. It can grow up to 30 meters tall and is hardy in zones 5-9.
Growingconditions · propagation · uses
VCultivation
Cultivation
Japanese Wingnut thrives in full sun and prefers moist, medium to heavy clay soil. It is hardy in zones 5-9 and can grow up to 30 meters tall. For propagation, seeds are the preferred method. Ensure the plant has adequate moisture, especially during dry periods, for optimal growth.
Light
Full sun
Water
Moist
Soil
Medium, Heavy (clay)
Hardiness
5-9
Mature size
30.0 m tall
For first-time growers
How to grow Japanese Wingnut for the first time
8steps
Start with planting Japanese Wingnut in a sunny spot, as it thrives in full sun and moist soil.
- 1
What you'll need
Japanese Wingnut saplings or seeds, garden gloves, spade, watering can.
- 2
Best time to plant
Plant Japanese Wingnut in spring after the last frost or fall before the first freeze.
- 3
Soil and container prep
Ensure soil is well-draining but moisture-retentive. Amend with compost if necessary.
- 4
Sowing or transplanting
Transplant saplings 3-4 feet apart in a sunny location. Sow seeds directly into the ground, covering them lightly.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged. Monitor for signs of stress and adjust watering accordingly.
- 6
Ongoing care
Provide regular deep watering during dry spells. Prune in late winter or early spring to maintain shape.
- 7
Harvest or pruning
Prune Japanese Wingnut annually to remove dead, weak, or crossing branches. Focus on shaping the tree.
- 8
Common mistakes
Overwatering, planting in too shady a spot, neglecting winter protection in colder zones.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The Japanese Wingnut's seeds are edible and can be eaten raw or cooked. They are often prepared by boiling to make a nutritious addition to meals. The seeds can also be dried for later use. Skip the specifics on harvesting and preparation if they aren't detailed in your data.
Other uses:LumberFragrance
Contextrange · companions · related
VIIDistribution
3 native · 2 introduced
Distribution
3 native · 2 introducedDistribution across2 continents· 3 native· 2 introduced
Europe1 region
introduced (1)Russia
Asia3 regions
native (3)ChinaJapanSouth Korea
Broader regions
introduced:Transcaucasus
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
Explore further
Companion planting
Growing zone
XII
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
Back to the cataloguePlant id · bf35ad30-3c20-4253-b667-3371dd14d33c
Decision aid
Choosing between Japanese Wingnut and something else?
Continue reading
❦❦❦❦
Endpaper · archive updates
Get archive updates
Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.