Kaya
Torreya nuciferafam. Pinaceae
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Pl. C7D1 — Torreya nucifera
Torreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nuciferaTorreya nucifera
IOverview
Overview
Kaya, known botanically as Torreya nucifera, is a coniferous tree native to Japan and Korea. This evergreen plant thrives in partial sun or shade and prefers moist soil that can range from light sandy to heavy clay conditions. It is hardy in zones 6-8 and can grow up to 20 meters tall. Kaya is notable for its edible seeds, which are a valuable food source. Its adaptability to various soil types and light conditions makes it an interesting ornamental addition to gardens while also serving as a sustainable food resource.
Quick answers
What is Kaya?
Kaya, known botanically as Torreya nucifera, is a coniferous tree native to Japan and Korea. This evergreen plant thrives in partial sun or shade and prefers moist soil that can range from light sandy to heavy clay conditions. It is hardy in zones 6-8 and can grow up to 20 meters tall.
Growingconditions · propagation · uses
VCultivation
Cultivation
Kaya thrives in partial sun to full shade and requires moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 6-8 and grows up to 20 meters tall. Propagate Kaya through seeds. Ensure the planting site has good drainage while maintaining consistent moisture levels.
Light
Partial sun/shade, Full shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
6-8
Mature size
20.0 m tall
For first-time growers
How to grow Kaya for the first time
8steps
Start with a Kaya tree as an easy-to-care-for addition to your garden.
- 1
What you'll need
A young Kaya sapling, well-draining soil, and a container or planting site.
- 2
Best time to plant
Plant in early spring before new growth starts or late fall after leaves have dropped.
- 3
Soil and container prep
Ensure the soil is light (sandy), medium, or heavy with good drainage. For containers, use a mix of peat moss, perlite, and compost.
- 4
Sowing or transplanting
Transplant young saplings from a nursery pot to your garden or container, ensuring the root ball is intact.
- 5
First two weeks
Water regularly to keep the soil moist but not waterlogged. Avoid direct sunlight and harsh winds during this period.
- 6
Ongoing care
Provide partial sun to full shade, keep the soil consistently moist, and mulch around the base for moisture retention.
- 7
Harvest or pruning
Prune in late winter before new growth starts. Harvest seeds when they are ripe and dark brown.
- 8
Common mistakes
Overwatering, planting in full sun, neglecting to mulch, and not providing enough shade.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: Oil
Other uses:oil
Contextrange · companions · related
VIIDistribution
2 native · 0 introduced
Distribution
2 native · 0 introducedDistribution across1 continent· 2 native
Asia2 regions
native (2)JapanSouth Korea
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 (Pinaceae), common use cases, and growing requirements.
same family · Pinaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
Explore further
Companion planting
Compare with similar plants
Growing zone
XII
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