broom chrysanthemum

Symphyotrichum subulatum

Symphyotrichum subulatum is a perennial herbaceous plant belonging to the Asteraceae family, known for producing beautiful flowers.

Growth Characteristics- Growing Environment: It thrives in sunny locations. Well-drained soil is generally suitable.
- Size: It grows to a height of approximately 30 to 90 cm, with slender, long stems.
- Flowers: Small white or purple flowers usually bloom in late autumn, with a yellow center.

Propagation Methods- Seed Propagation: Seeds can be sown directly in the open ground in spring, or seedlings can be grown indoors and transplanted.
- Division: The root portion of a mature plant is typically divided and planted in autumn.

Cultivation Methods- Planting: Water thoroughly initially, then avoid excessive watering to prevent root rot.
- Watering: It is best to water when the surface of the soil dries out. - Fertilization: Fertilize monthly when growth is vigorous, using a fertilizer with a high nitrogen content to promote the growth of leaves and stems.

Uses in the Garden- Landscape Creation: Planting in clusters can create a beautiful landscape.
- Flower Arrangements: Since the flowers bloom for a long time, it is also suitable as a material for flower arrangements.

Major Pests and Control Methods- Pests and Diseases: Major pests include aphids and powdery mildew.
- Control Methods:
- Aphids: Can be physically removed by spraying with soapy water or controlled using pesticides.
- Powdery Mildew: Since it frequently occurs in poorly ventilated environments, ensure sufficient distance between plants and create an environment with good ventilation. Use an appropriate fungicide if necessary.

The Japanese daisy is a relatively easy plant to care for; excellent aesthetic effects can be achieved in the garden with just the right environment and care.

Plant Type
Plant Family	Asteraceae
Height	50~100cm
Spread
Colors	white
Bloom Period	August to October
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Michaelmas daisy
Aster tataricus

Sea country
Aster spathulifolius