Mountain hydrangea 'Blue Decle'

Hydrangea serrata 'Blue Deckle'

Hydrangea serrata 'Blue Deckle' is a widely loved garden variety known for its beautiful blue flowers. The following are the main characteristics and care instructions for this variety.

Growth Characteristics
- Leaves and Flowers: The leaves are dark green and typically oval-shaped. The flowers are blue or light purple, with small flowers clustered together to form round inflorescences.
- Size: Mature plants grow to a height of approximately 1 to 1.5 meters and are upright.
- Growing Environment: It prefers partial shade and thrives in fertile, well-drained soil.

Propagation Methods
- Cuttings: Like most hydrangeas, it is propagated by cuttings. In spring or early summer, cut a healthy stem and plant it in water or moist sand to encourage rooting.
- Layering: Another method involves burying the stem in the ground to encourage the growth of new roots. Cultivation Methods
- Soil: Since flower colors become more vibrant in acidic soil, copper sulfate or iron supplements may be used as needed.
- Watering: As it likes water, water regularly to prevent dryness. Particular care is required during the hot summer months.
- Fertilizer: Apply slow-release fertilizer in the spring and late summer.

Uses in the Garden
- Border Planting: As a medium-sized shrub, it is well-suited for border planting and is also suitable as a background plant.
- Flower Beds: It is more effective when placed on low hills or slopes.
- Vase Use: Since cut flowers last a long time, it can also be used for indoor decoration.

Important Pests and Control Methods
- Diseases: It is generally susceptible to powdery mildew, so plant in a well-ventilated area and use appropriate pesticides if necessary.
- Pests: Leaf beetles and aphids may occur; observe the leaves periodically and implement control measures. Natural control methods, such as attracting natural enemies, can also be considered. As such, 'Blue Decle' is a plant that is relatively easy to care for and can provide an excellent landscape if provided with the right environment and care.

Plant Family	Hydrangea
Height	60~90cm
Spread	90~120cm
Colors	blue, pink
Bloom Period	July to September
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-20°C

Mountain hydrangea 'Bluebird'
Hydrangea serrata 'Bluebird'

Tree Hydrangea 'Wims Red'
Hydrangea paniculata 'Wim's Red'