cosmos

Cosmos bipinnatus

Cosmos (Cosmos bipinnatus) is an annual herb belonging to the Asteraceae family, blooming with colorful flowers primarily from summer to autumn. It grows to a height of 60 cm to a maximum of 1.5 m; its stems are slender and long, and its leaves are finely divided in a feather-like shape.

Growth Characteristics
- Sunlight: It prefers plenty of sunlight but can also grow in partial shade.
- Soil: It thrives in well-drained soil. Fertile soil is also beneficial, but excessive fertility may result in dense foliage rather than flowers.
- Temperature: It prefers a warm climate but grows relatively well in cool climates as well.

Propagation Methods
- Seeds: It is usually propagated by seeds. Seeds can be sown directly between May and June, or grown as seedlings indoors and then transplanted.

Cultivation Methods
- Sowing: Plant seeds by lightly covering them with soil at intervals of 1 to 2 cm.
- Spacing: Plants should be spaced 20 to 30 cm apart. - Watering: Since the roots are not deep, water frequently, but avoid overwatering.
- Fertilizer: Generally, it does not require much fertilizer, but you can apply a light fertilizer before flowering to aid growth.

Uses in GardensCosmos is used in various locations such as gardens, parks, and roadsides due to its high planting potential and beautiful flower colors. In particular, planting flowers of different colors together can create a spectacular landscape.

Important Pests and Control Methods
- Powdery Mildew: This can occur due to excessive moisture or poor air circulation. In this case, remove diseased leaves and use a fungicide if necessary.
- Aphids: Remove them manually or use eco-friendly insecticides.
- Stink Bugs: Carefully inspect and remove them by hand, or use pest control agents.

By managing these characteristics properly, you can grow healthy cosmos and enjoy their beautiful flowers.

Plant Family	Asteraceae
Height	1~2m
Colors	White, red, pink
Bloom Period	June to October
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-5°C

Yellow cosmos
Cosmos sulphureus

Cosmos 'Rubenza'
Cosmos bipinnatus 'Rubenza'