Japanese mahonia (Berberis japonica)

Japanese mahonia

Japanese mahonia has a highly unique appearance with big spined leaves and flowers that are fragrant and come in a delicate shade of yellow. It blooms from late fall to the beginning of spring, and afterward, produces dark berries. Japanese mahonia looks great in wildlife gardens as well as banks and slopes.

Scientific classification

Species

Japanese mahonia (Berberis japonica)

Buttercups, poppies and allies

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1.5 m to 2 m

Plant Height

1.2 m

Spread

Green, Blue

Leaf Color

Yellow, Green

Flower Color

Semi-evergreen

Leaf type

15 - 32 ℃

Ideal Temperature

Distribution of Japanese mahonia

Distribution Map

Japanese mahonia is native to East Asia, but its range has extended due to cultivation. It is introduced and cultivated in parts of the temperate regions, particularly in the northeastern part of Asia. This plant has adapted to various habitats in its introduced range, while in its native range it is typically found in mountainous areas and woodlands.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Natural woodland, wetlands in forested areas.

Care Guide for Japanese mahonia

Every 2 weeks

Water

Partial sun

Sunlight

15 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from woodland understories, japanese mahonia prefers dappled light and consistent moisture. Water every two weeks, as it tolerates brief dry spells. As an evergreen, it retains foliage year-round and needs less water during cooler months when growth slows.

Fertilize: For optimal growth of japanese mahonia, use balanced fertilizers in spring and high nitrogen options during growth periods. Fertilize biannually to boost vigor and blooms, but adhere to label rates to prevent damage. In cooler seasons, reduce fertilization frequency. Dissolve granular fertilizers in water for even application.

Pruning: Prune japanese mahonia in early spring by first removing damaged branches, then shaping the plant. Use clean, sharp tools for 45-degree cuts above healthy buds. Avoid heavy pruning due to slow growth, as it promotes air circulation and light penetration, reducing disease risk.

Propagation: Japanese mahonia is a hardy shrub valued for its ornamental traits. Propagation is achieved via cuttings from semi-hardwood stems, cut below a node and stripped of lower leaves. Dip in rooting hormone, plant in well-draining soil, and maintain moisture and indirect light for successful rooting.

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