Plant Details

Broussonetia kazinoki

Kozo

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Explore the size, hardiness, soil, light, edible uses and harvest period of Broussonetia kazinoki.

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Common names

3 names · 3 languages
EnglishYour language
  • Kozo
Other languages (2)
Dutch
  • Japanse papierboom
French
  • Mûrier à papier
Sources & name notes

Names recorded in our plant catalogue, grouped by language. Usage can vary by region.

General information

Scientific name: Broussonetia kazinoki
Botanical family: Moraceae

Kew's family placement for the genus Broussonetia (WCVP v16).

Sources [1]
Also known as: Kozo

Plant characteristics

Layer: Fruit tree
Catalogue size class: Medium
Height: 4.50 m
Spread: 4.50 m
Growth rate: None
Foliage: Deciduous

Growing conditions

USDA hardiness: 6-9
Soil moisture:
Well-drained, Moist
Soil:
Sand (light) Loam (medium) Clay (heavy)
pH:
Acidic Neutral Alkaline
Light:
Full sun

Uses

Edible parts:
Fruit, Leaves, Flowers
Edibility rating:
(3)
Medicinal rating:
(1)
Functions:
Fibre

Description

Fruit - raw. The sweet fruit has a diameter of about 1 cm and consists of small edible fruits that protrude. Although there is not much edible flesh, it has a delicious flavor. Prolonged consumption of this fruit may weaken the bones. The leaves can be cooked and used as a vegetable. Additionally, there are also flowers present.

Harvest

Harvest starts: 01/09
Harvest ends: 30/11

Crown

Crown shape: Broad weeping
Crown density: Dense crown

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Royal Botanic Gardens, Kew World Checklist of Vascular Plants, version 16, extracted 4 June 2026
    Supports: Botanical family
    Relevant sections
    • Botanical family: WCVP v16, wcvp_names.csv row 754715; name ID 2683745; Broussonetia L'Hér. ex Vent.. Family column.

    Source checked on .

    Source data licence: CC BY 3.0.