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Japanese hydrangea vine

Schizophragma hydrangeoides

Also called Schizophragma and Hydrangea vine

Garden plant · Climbers

IT IS NOT THE CLIMBING HYDRANGEA, though it is sold beside it and looks the same from a distance. The white bracts round each flower head are SINGLE, one broad sail per stalk, where the climbing hydrangea has four small ones.

Care at a glance

Ease
Medium
Water
Once a weekKeep it moist — water at the first hint of dryness — don't wait for a dry pot.
Light
Partial shade
Feed
Not needed
Humidity
Average
Hardiness
Hardy — a very cold winter RHS H6, to -20°C
Size
10 m tall · 4 m across
Lifecycle
Perennial
Origin
Japan and Korea

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 2026-09-22. 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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