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Calmia
Kalmia angustifolia
The growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases and control methods of Calmia angustifolia can be described as follows: Growth CharacteristicsCalmia angustifolia is an evergreen shrub primarily native to North America. It grows to a height of approximately 30 to 90 cm and features long, narrow leaves. It blooms with pink or purple flowers in the summer, characterized by their bell-shaped clusters. This plant prefers full sun or partial shade and thrives in acidic soil. Propagation MethodsCalmia angustifolia can be propagated mainly by seeds or cuttings. For seed propagation, it is effective to collect seeds from mature fruits and sow them the following spring. For cuttings, select healthy stems in spring or early summer. Cultivation MethodsWhen cultivating Calmia angustifolia, it is important to prepare well-drained, acidic soil. It requires well-drained soil and ample sunlight, and it is best to plant it in a location protected from cold winds during the winter. Water moderately and avoid overwatering. Additionally, regular pruning helps maintain its shape, promoting healthier growth. Uses in the GardenCalmia japonica is widely used as an ornamental plant in shaded gardens or acidic flowerbeds. Its beautiful flowers and foliage add color to the garden, and it pairs well with other plants that prefer acidic soil. Important Pests and Control MethodsAlthough Calmia japonica is relatively resistant to pests and diseases, it can occasionally be affected by leaf blight or leaf beetles. These pests can be prevented by the periodic use of fungicides, and diseased leaves or branches should be removed immediately to prevent further spread. Furthermore, growing it in a well-ventilated environment can help reduce the occurrence of pests.
Plant Family
Rhododendron family
Height
30~90cm
Spread
120~180cm
Colors
pink
Bloom Period
June~July
Water Needs
commonly
Exposure
semi-shaded area
Freezing Resistance
-40°C
Calmia angustifolia f. rubra
Kalmia angustifolia
f.
rubra
elm tree
Kalopanax septemlobus