Halla Chrysanthemum indicum ssp. javadskyi ssp. koreanum

Chrysanthemum zawadskii ssp. coreanum

Chrysanthemum zawadskii ssp. coreanum is a perennial herbaceous plant native to Korea, famous for blooming with beautiful flowers in the autumn. The following is information regarding this plant's growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics
- Habitat: It mainly grows in sunny meadows in mountainous areas.
- Growth Conditions: It prefers well-drained soil and locations with ample sunlight.
- Size: It grows to a height of approximately 30–60 cm, and the flowers are about 3–5 cm in size.
- Flowering Season: It mainly blooms in the autumn (September–November).

Propagation Methods
- Seed Propagation: Seeds can be harvested in the autumn and sown the following spring; the germination rate is high.
- Division Propagation: This method involves propagating by dividing the roots and is performed in the spring or autumn. Simply carefully divide the roots and plant each one separately.

Cultivation Method
- Soil Preparation: Mix an appropriate amount of organic fertilizer into well-draining soil.
- Watering: Avoid overwatering and water appropriately to prevent the soil from drying out.
- Fertilizer: During the growing season, use slow-release fertilizer to supplement nutrients.

Uses in the Garden
- Suitable for decorating garden borders or placing in flower beds to enhance the beauty of the autumn landscape.
- Harmonizes well when planted with other autumn flowers, such as chrysanthemums or cosmos.

Important Pests and Control Methods
- Pests and Diseases: Common diseases include fungal powdery mildew or rust.
- Control Methods: Ensure good ventilation and remove affected parts if discovered early. Use an appropriate fungicide in severe cases.
- Pests: Pests such as mites or aphids may occur.
- Control Methods: If pests are visible, wash them off with water or use insecticides if necessary. Naturally, you can prevent pests by planting pest-repellent plants around the plant.
- Overall, Halla Aster is a relatively easy-to-care-for plant with high utility in the garden. It is important to promote healthy growth through proper care and pest and disease prevention.

Plant Family	Asteraceae
Height	20cm
Colors	white, pink
Bloom Period	July to October
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-20°C

Chrysanthemum zawadskii ssp. Naktonggense
Chrysanthemum zawadskii ssp. naktongense

Seaside daisy
Chrysanthemum pacificum