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Fragrant alder 'Ruby Spice'
Clethra alnifolia
'Ruby Spice'
Growth Characteristics - Height: Grows to approximately 1.5 to 2 meters. - Humidity: Prefers a humid environment; it is best to avoid allowing the soil to dry out. - Sunlight: Grows well in partial shade to sunny locations. - Flowers: Blooms with pink flowers in the summer and has a pleasant fragrance. - Traits: It is highly cold-hardy and resistant to sea breezes. Propagation Methods - Seeds: It can be propagated using seeds, but this is generally not recommended due to the low germination rate. - Cuttings: It can be propagated relatively easily by taking cuttings of green branches in the summer. Cultivation Methods - Soil: Well-drained, acidic soil is most suitable. - Watering: Water periodically to keep the roots moist. - Fertilizer: Applying organic fertilizer in the spring promotes healthy plant growth. - Pruning: After the flowers have faded, cut branches to maintain the shape and promote the formation of flower buds for the following year. Uses in Gardens - In gardens, it is used for boundary planting or as a hedge. - It is also suitable for ornamental purposes to enjoy its fragrant flowers. - It can support the ecosystem by attracting butterflies and bees. Important Pests and Control Methods - Diseases: It is generally resistant to diseases, but root rot may occur if there is excessive moisture. - Control: Select well-drained soil and avoid overwatering. - Pests: Scale insects and aphids may occur. - Control: If necessary, use insecticides or consider biological control using natural enemies. Regular inspection and maintenance are important.
Plant Family
Alnus family
Height
60~120cm
Spread
90~150cm
Colors
red, pink
Bloom Period
July to September
Water Needs
commonly
Exposure
semi-shaded area
Freezing Resistance
-30°C
Fragrant alder
Clethra alnifolia
Scented Alder 'Rosea'
Clethra alnifolia
'Rosea'