Spiraea douglasis

Spiraea douglasii

Growth Characteristics of Spiraea douglasii

Spiraea douglasii is a shrub native to North America that produces beautiful pink flowers. It generally grows to a height of 1 to 2 meters and is characterized by densely growing branches. The leaves are long oval-shaped with irregularly serrated edges.

Propagation Methods

It is primarily propagated through cuttings and division. Cuttings involve cutting off new branches in spring or early summer to encourage rooting. Division involves dividing mature trees in early spring or autumn for planting; it is important to select individuals with well-developed roots.

Cultivation Methods
 - Soil and Location: It prefers well-drained soil and is best planted in a sunny location. It grows well in partial shade, but may produce fewer flowers.
 - Watering: It is relatively drought-tolerant, but it is recommended to provide sufficient moisture. Especially during the summer, it should be watered deeply 1 to 2 times a week. 3. Fertilization: It is recommended to use slow-release fertilizer during the spring growing season.
 - Pruning: It is important to shape the plant through pruning after the flowers have faded or in early spring. This promotes healthy growth and encourages more blooms.

Uses in the Garden
Bridal Douglasii is used for various purposes, such as border planting, natural-style gardens, and hedges. Planting it in clusters creates an even more beautiful effect.

Important Pests and Diseases & Control Methods - Diseases: It may be susceptible to leaf spot and powdery mildew; these can be prevented through proper ventilation and sunlight.
 - Pests: Pests such as aphids may occur; if necessary, they can be controlled using soapy water or approved eco-friendly insecticides.

Bridal Douglasii is relatively easy to care for, making it an excellent choice for garden cultivation. With consistent attention and care, you can enjoy its beautiful flowers for a long time.

Plant Type
Plant Family	Rosaceae
Height	1.2~1.8m
Spread	90~180cm
Colors	pink
Bloom Period	June to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

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