Japanese winterberry (Ilex serrata)

Japanese winterberry

Also known as: Finetooth holly

The japanese winterberry is a species of holly loved by gardeners for its bright red berries and dark green leaves. These berries need both male and female plants for pollination but will last over the winter months as its name suggests.

Scientific classification

Species

Japanese winterberry (Ilex serrata)

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61 cm to 1.2 m

Plant Height

60 cm to 1.2 m

Spread

White

Flower Color

Evergreen

Leaf type

10 - 35 ℃

Ideal Temperature

Images of Japanese winterberry

Distribution of Japanese winterberry

Distribution Map

Japanese winterberry inherently thrives in temperate regions of East Asia. It has spread its foliage further afield, being introduced to parts of Northeastern Asia. This plant adapts well beyond its native range and is also widely cultivated.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Japanese winterberry

Every 1-2 weeks

Water

Partial sun

Sunlight

10 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Adapted to variable moisture regions, japanese winterberry prefers moderate humidity and thrives with watering every 1-2 weeks. Its natural resilience allows it to adapt well to temperate climates, where outdoor conditions dictate its watering needs.

Fertilize: Japanese winterberry needs minimal fertilization, ideally twice during the growing season—once in early spring and early autumn. Use a nitrogen-rich compound for vibrant foliage. Cease fertilization when temperatures exceed 30℃ (86℉). Over-fertilization leads to large, dull leaves, requiring immediate cessation.

Pruning: Japanese winterberry features red berries and serrated leaves. Prune in winter while dormant, removing dead or crossing branches to improve airflow and sunlight. Regular pruning enhances shape, health, and berry production while preventing overcrowding, promoting vibrant growth and visual appeal.

Propagation: Japanese winterberry is a deciduous holly with red berries and green leaves. Propagation involves using healthy, semi-hardwood cuttings, optionally dipped in rooting hormone. Plant in sterile, well-draining medium and maintain consistent moisture and indirect light for successful root development.

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