American hydrangea

Hydrangea arborescens

American Hydrangea (Hydrangea arborescens) is a deciduous shrub native to North America and is widely cultivated in gardens both domestically and internationally.

Growth Characteristics- Height and Width: It grows to an average height of 1 to 3 meters, reaching a width of 2 to 3 meters.
- Leaves: It has broad, round leaves with serrated edges.
- Flowers: White or pink flowers bloom in the summer. It is characterized by round inflorescences.
- Sunlight and Soil: It thrives in partial shade and prefers somewhat moist soil.

Propagation Methods- Seeds: It can be propagated by seeds, but this process takes a relatively long time.
- Cuttings: Cuttings using soft stems are common in the summer and have a high success rate.
- Division: It can be propagated by dividing the roots in spring or autumn.

Cultivation Methods- Planting: Plant in well-draining soil and mix in plenty of compost before planting. - Watering: Water thoroughly during the initial stage, and adjust watering thereafter according to the soil's dryness.
- Pruning: It is recommended to remove weak branches in late winter or early spring.

Uses in the Garden
- Border Planting: Plant along fences or boundaries to provide a natural landscape.
- Pot Planting: Smaller varieties can be planted in large pots and placed at entrances or on terraces.
- Arrangements: Used as cut flowers for indoor decoration.

Important Pests and Diseases & Control Methods
- Diseases: Leaf mold and blight may occur, so provide adequate ventilation and sunlight preventively.
- Pests: Aphids and mites may appear; these can be controlled using soapy water or garden insecticides.
- Other Care: Infected leaves or branches must be removed immediately to prevent the spread of disease.

American hydrangeas are plants frequently seen in gardens due to their outstanding ornamental value. You can grow healthy and beautiful hydrangeas through proper care and maintenance.

Plant Family	Saxifragaceae
Height	90~180cm
Colors	white, yellow
Bloom Period	June~July
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Tree hydrangea
Hydrangea paniculata

Tamra Mountain Hydrangea
Hydrangea serrata f. fertilis