Western yarrow

Achillea millefolium

Achillea millefolium is a perennial herbaceous plant belonging to the Asteraceae family. It is characterized by the following growth characteristics, propagation methods, cultivation methods, garden uses, and information on important pests and diseases and control methods.

Growth Characteristics
- Environmental Adaptability: Achillea millefolium has strong environmental adaptability and thrives in various soil conditions. It grows best in well-drained soil.
- Growth Conditions: It prefers sunlight and grows well in full sun, but it can also grow to some extent in partial shade.
- Height: It typically grows from 30 cm to 1 m.

Propagation Methods
- Seed Propagation: Propagation is performed by sowing seeds in spring or autumn. The germination rate is relatively high, and self-sowing is possible.
- Root Division: Propagation can be done by dividing the roots in spring or autumn. It is recommended to divide the roots every 2 to 3 years.

Cultivation Methods
- Soil Preparation: Well-drained soil must be prepared. Increasing soil fertility promotes healthier growth. - Watering: Be careful not to overwater; water thoroughly only when the soil is dry.
- Fertilizer: Special fertilizers are not required, but a small amount of organic fertilizer can be used in the spring to promote growth.

Uses in the Garden
- Ornamental: It is most commonly used in gardens and is particularly suitable for planting in flowerbeds or along borders.
- Attracts Bees and Butterflies: When in bloom, it attracts bees and butterflies, making the garden more vibrant.

Important Pests and Diseases & Control Methods
- Diseases: Root rot can occur due to excessive moisture; this can be prevented by improving drainage and avoiding overwatering.
- Pests: Aphids or spider mites may occur; these can be controlled through periodic observation, the use of natural predators, and the application of appropriate pesticides when necessary.

Yarrow is popular among many gardeners due to its beautiful flowers and strong vitality, and you can cultivate healthy and beautiful yarrow using the methods mentioned above.

Plant Type
Plant Family	Asteraceae
Height	60~90cm
Spread
Colors	white
Bloom Period	June to September
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

large yarrow
Achillea ptarmica var. acuminata

Terry's-eye
Achillea filipendulina