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'