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Japanese cedar

Cryptomeria japonica

Also called Sugi and Japanese redwood

Garden plant · Trees

The national tree of Japan, and the foliage bronzes right off in a cold winter — which looks like the tree dying and is not. It greens up again in May.

Care at a glance

Ease
Easy
Water
Once a weekWater the ground — water at the base, in the morning, not over the leaves.
Light
Full sun to partial shade, sheltered
Feed
Not needed
Humidity
Average
Hardiness
Hardy — a very cold winter RHS H6, to -20°C
Size
20 m tall · 6 m across
Lifecycle
Tree
Origin
Japan

Is it safe for pets and people?

PetsNothing recorded against it

No animal-poison authority lists this plant either way.

PeopleNot checked yet

Nobody has checked this one against a source for us yet, so treat it as unknown rather than safe.

Checked against ASPCA and RHS on 2026-09-11. Where a source says nothing, we say nothing.

A guide, not veterinary or medical advice. If a pet or a person has eaten a plant and you are worried, call your vet or doctor now — don’t wait for signs to appear. Spotted a mistake? Tell us.

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