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White crabapple
Rosa rugos
'Alba'
Rosa rugosa 'Alba' is a popular garden plant known for its attractive white flowers and fragrance. The following summarizes its growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods. - Growth Characteristics: - Form: A deciduous shrub that grows up to 1.5 to 2 meters tall. - Flowers: Bloom in May and June; characterized by single white flowers and a strong fragrance. - Leaves: Dark green leaves that change color well in autumn. - Fruit: Produces red rosehips in the fall, which are used for both culinary and medicinal purposes. - Propagation Methods: - Seed Propagation: Harvest the fruit after it ripens and sow directly or sow after refrigerated storage. - Cuttings: In spring or early summer, cut healthy branches and root them in sand or perlite. 3. Cultivation Method: - Soil: It prefers well-drained soil and maintains a pH of slightly acidic to neutral. - Sunlight: A sunny location is suitable. - Watering: It is resistant to drought, but consistent watering is required during the initial establishment period. - Fertilizer: Applying organic fertilizer in spring and autumn is recommended. - Garden Use: - Hedge: Its thorns make it suitable as a boundary plant. - Landscaping: It is widely used for landscaping due to the beauty of its flowers and fruits. - Major Pests and Diseases & Control Methods: - Diseases: Powdery mildew and black spot disease may occur; to prevent them, creating a well-ventilated environment and periodic pruning are recommended. - Pests: Aphids and spider mites may occur; these can be prevented by using insecticides regularly and keeping the area around the plant clean. Rosa rugosa 'Alba' is a relatively easy-to-care-for and attractive plant that can be utilized in various ways in the garden.
Plant Type
Plant Family
Rosaceae
Height
1.2~1.8m
Spread
90~150cm
Colors
pink
Bloom Period
June to August
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-30°C
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