Horned Nerbosa

Mahonia nervosa

Mahonia nervosa is a perennial shrub native to western North America. The following is information regarding Mahonia nervosa’s growth characteristics, propagation methods, cultivation methods, garden uses, and pest and disease control.

Growth Characteristics
- Leaves: Mahonia nervosa has pinnately compound leaves with glossy, dark green foliage.
- Flowers: Yellow flowers bloom in the spring; these flowers are fragrant and attract bees and butterflies.
- Fruit: Fruit develops in the summer, changing from blue to purple.
- Sunlight: It thrives in partial shade; direct sunlight can burn the leaves.
- Soil: It grows well in well-drained soil.

Propagation Methods
- Seed Propagation: Sow seeds immediately after harvesting from the fruit, or sow them in the spring after refrigeration. - Cuttings: In the summer, break off a new branch and plant it in moist soil; it will take root.

Cultivation Methods
- Planting: Plant in a well-drained location in partial shade.
- Watering: Consistent watering is required during dry periods.
- Fertilization: Provide nutrients using slow-release fertilizers in the spring.

Garden Use
- In gardens, it is primarily planted in shaded border areas and used as a ground cover plant.
- It enriches the landscape with its diverse textures and colors.

Important Pests and Control Methods
- Diseases: Generally, there are no major pests, but root rot may occur if the soil is excessively wet. Ensure good drainage and avoid excessive moisture.
- Pests: Aphids that damage the leaves may appear; control them using soapy water or insecticides if necessary.

By following these characteristics and care methods, you can cultivate a healthy Nandina nervosa.

Plant Family	Berberidaceae
Height	30~60cm
Spread	90~120cm
Colors	yellow
Bloom Period	March to August
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-15°C

Horned Namcheon Repens
Mahonia repens

Horned Nandina Premontii
Mahonia fremontii