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Horned Nandina aquifolium
Mahonia aquifolium
Mahonia aquifolium is an evergreen shrub native to North America that grows to a height of 1 to 2 meters. Its leaves are spiny, pinnately compound, glossy, and dark green. It blooms with yellow flowers in the spring and bears purple berries in the summer. Growth Characteristics: - Growing Environment: It thrives in partial shade and can tolerate direct sunlight. - Soil: It prefers fertile, well-drained soil. - Cold Hardiness: It possesses considerable cold hardiness and can survive below -20°C, but protection is required in extreme environments. Propagation Methods: - Seed Propagation: Collect seeds from mature berries in the autumn, let them overwinter, and sow them in the spring. - Cuttings: It can be propagated by cutting new branches in the spring or early summer. Cultivation Method: - Planting: It is best to plant in early spring or autumn, and water regularly to support early growth. - Care: Regularly provide organic fertilizer and prune as needed to maintain its shape. Garden Uses: Nandina aquifolium is popular as a landscape plant due to the unique shape and color of its stems and leaves. It is suitable for hedges or as a background plant, and its flowers and berries add various seasonal colors to the garden. Important Pests and Control Methods: - Diseases: It is resistant to most diseases, but leaf spot or fungal diseases may occur. - Pests: Insects or aphids may occur. - Control Methods: In case of pest infestation, use non-protein pesticides or remove contaminated leaves to improve ventilation. It is important to minimize pest occurrences through regular observation and preventive measures.
Plant Family
Berberidaceae
Height
90~180cm
Spread
60~150cm
Colors
yellow
Bloom Period
April~May
Water Needs
commonly
Exposure
semi-shaded area
Freezing Resistance
-20°C
Taiwanese Horned Nandina 'Ibechner'
Mahonia japonica
'Hivernant'
large crane flower
Maianthemum dilatatum