Japanese Oak
Lithocarpus glaberfam. Fagaceae
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Pl. B205 — Lithocarpus glaber
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IOverview
Overview
Japanese Oak, scientifically known as Lithocarpus glaber, is a deciduous tree native to China South-Central, Southeast, Japan, Nansei-shoto, and Taiwan. This plant thrives in light to partial shade with moist soil that can be either sandy, medium, or clay-like. It grows well in hardiness zones 6-9 and reaches a height of about 7 meters. Known for its edible seeds, the Japanese Oak is valued both ornamentally and for its culinary uses. One distinctive feature sets it apart: its ability to adapt to various soil types while maintaining its growth requirements.
Quick answers
What is Japanese Oak?
Japanese Oak, scientifically known as Lithocarpus glaber, is a deciduous tree native to China South-Central, Southeast, Japan, Nansei-shoto, and Taiwan. This plant thrives in light to partial shade with moist soil that can be either sandy, medium, or clay-like.
Growingconditions · propagation · uses
VCultivation
Cultivation
Japanese Oak, or Lithocarpus glaber, thrives in full to partial sun and requires moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 6-9 and grows up to 7 meters tall. For propagation, seeds are the preferred method. Ensure the planting site has good drainage and regular watering to support its growth.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
6-9
Mature size
7.0 m tall
For first-time growers
How to grow Japanese Oak for the first time
8steps
Start with planting Japanese Oak in a sunny spot and follow these steps for success.
- 1
What you'll need
Seeds or seedlings, potting mix, watering can.
- 2
Best time to plant
Plant seeds in spring or fall when the weather is cooler.
- 3
Soil and container prep
Use a well-draining soil with medium texture. Ensure containers have drainage holes.
- 4
Sowing or transplanting
Direct sow seeds outdoors after last frost, or start them indoors 6-8 weeks before planting outside.
- 5
First two weeks
Keep the soil moist but not waterlogged. Water daily until seedlings are established.
- 6
Ongoing care
Water regularly to maintain moisture levels. Fertilize lightly in spring with a balanced fertilizer.
- 7
Harvest or pruning
Prune young trees to shape them and remove any dead branches. Harvest seeds when they are ripe, usually in late summer.
- 8
Common mistakes
Overwatering, planting too deep, neglecting to prune, not providing enough sunlight.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The Japanese Oak (Lithocarpus glaber) is edible, with its seeds being the part consumed. Typically, these seeds are prepared by roasting or boiling before eating. They can also be ground into a flour for use in various culinary applications.
Contextrange · companions · related
VIIDistribution
5 native · 0 introduced
Distribution
5 native · 0 introducedDistribution across1 continent· 5 native
Asia3 regions
native (3)ChinaJapanTaiwan
Broader regions
native:Nansei-shoto
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 (Fagaceae), common use cases, and growing requirements.
same family · Fagaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
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Companion planting
Compare with similar plants
Growing zone
XII
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