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Yarrow (Achillea millefolium) is a popular perennial plant known for its feathery foliage and clusters of colorful flowers. It is a favorite among gardeners for its drought tolerance and ability to attract pollinators. Proper maintenance, including deadheading, can extend its blooming period and keep the plant healthy.
Understanding Deadheading
Deadheading involves removing spent flowers from a plant. This practice encourages the plant to produce more blooms, maintains a tidy appearance, and can prevent seed formation if you wish to control spreading. For yarrow, deadheading is an essential part of seasonal care.
When to Deadhead Yarrow
The timing of deadheading yarrow depends on your gardening goals and the plant’s growth cycle. Typically, you should deadhead yarrow during its active flowering period, which is from late spring to late summer. Regular removal of faded flowers can prolong bloom time and keep the plant looking attractive.
Early Season
In early spring, focus on removing any dead or damaged stems from the previous season. This prepares the plant for healthy new growth. As flowers begin to emerge, deadheading can be done as soon as blooms fade to encourage further flowering.
Mid to Late Season
During mid to late summer, continue deadheading regularly. Remove spent flower heads to prevent seed formation and promote new blooms. This is also the time to cut back any overly tall or leggy stems to maintain a compact shape.
How to Deadhead Yarrow
Use clean, sharp scissors or pruning shears to cut just below the flower head. Make your cut at a 45-degree angle to prevent water from collecting on the cut surface. Remove the entire flower stalk if the plant has finished blooming or if you want to encourage bushier growth.
Seasonal Deadheading Tips
- Deadhead regularly during the flowering season to maximize blooms.
- Avoid deadheading in late fall if you want the plant to produce seed for wildlife.
- Cut back the entire plant in late fall or early spring to promote healthy growth.
- Disinfect your tools before use to prevent disease transmission.
By following these seasonal deadheading practices, you can enjoy a vibrant, long-lasting yarrow display in your garden. Proper trimming not only enhances the plant’s appearance but also supports its overall health and vigor.