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Yarrow (Achillea millefolium) is a hardy perennial plant prized for its feathery foliage and clusters of vibrant flowers. It is a popular choice for gardens due to its drought tolerance and low maintenance requirements. Proper care ensures that yarrow remains healthy and blooms profusely year after year.
Water Needs for Yarrow
Yarrow prefers well-drained soil and is quite drought-tolerant once established. It requires moderate watering, especially during the first growing season to develop a strong root system. Overwatering can lead to root rot and other diseases.
- Water deeply but infrequently.
- Allow the soil to dry out between watering sessions.
- Reduce watering during the dormant winter months.
- Ensure good drainage to prevent waterlogging.
Light Requirements for Yarrow
Yarrow thrives in full sun, requiring at least 6 hours of direct sunlight daily. Adequate sunlight promotes vibrant blooms and healthy foliage. Insufficient light can result in leggy growth and fewer flowers.
- Plant in a location with full sun exposure.
- Ensure at least 6 hours of direct sunlight each day.
- In partial shade, yarrow may produce fewer flowers and become leggy.
Soil Preferences for Yarrow
Yarrow prefers well-drained, sandy or loamy soil with a neutral to slightly alkaline pH. It is tolerant of poor soils but performs best in soil that does not retain excess moisture. Good drainage is critical to prevent root diseases.
- Use soil with good drainage capabilities.
- Amend heavy clay soils with sand or organic matter.
- Avoid overly rich soils that may promote excessive foliage growth at the expense of flowers.
- Maintain a pH between 6.0 and 8.0 for optimal growth.
Additional Care Tips
Besides water, light, and soil, yarrow benefits from occasional deadheading to encourage continuous blooming. It is also drought-tolerant, so avoid over-fertilizing, which can lead to weak stems and reduced flowering. Dividing yarrow every few years helps maintain plant vigor.