Achillea (Yarrow)

Claudia Parrott
October 27, 2023

Yarrow, scientifically known as Achillea, is more than just a pretty face in the plant kingdom. Delving into its historical significance, there’s a fun fact linking it to one of ancient history’s most notable figures: Achilles, the Greek hero. Legend has it that Achilles used yarrow to treat the wounds of his soldiers during the Trojan War, which speaks to the plant’s medicinal properties. Today, while its medicinal use is well-regarded, many also appreciate yarrow for its gardening appeal.

Pronunciation: Ak-i-LEE-a

Appearance and Characteristics

Achillea stands out with its feathery, fern-like leaves and its clusters of small, flat-topped flowers. These flowers come in shades from the most common soft white to vibrant yellows, pinks, and reds. Typically, yarrow plants can grow from 6 inches to 4 feet tall, depending on the species and environmental conditions.

General Requirements
Botanical Name	Achillea
Hardiness Zones	3 - 9 (USDA)
Plant Type	Perennial
Mature Size	H: 1 - 3 ft. S: 1 - 2'
Light Requirements	Full Sun
Bloom Time	Spring (Late), Summer

Planting and Care

When planting yarrow, it’s best to space the seeds or young plants about 1 to 2 feet apart to allow ample growth. Water the plants regularly until they are well-established. Once settled in, yarrow is remarkably drought-resistant, making it a fantastic low-maintenance plant. Deadheading, or removing old flowers, can promote further blooming, but isn’t strictly necessary. In the cooler months, consider cutting the plant back to encourage vigorous growth in the spring.

Perfect Settings for Growth

Yarrow thrives in meadows, sunny open fields, and even roadsides. It’s a plant that does well in less-than-perfect soil conditions, including rocky terrains. As such, it’s a frequent choice for xeriscaping or drought-resistant landscaping.

Potential Challenges

While yarrow is generally resilient, it can be prone to certain issues if overwatered or if planted in soils that don’t drain well. Root rot can be a concern in these conditions. Also, in particularly humid environments, yarrow can be susceptible to mildew. Ensuring proper spacing and good air circulation can help mitigate these challenges.

Noteworthy Species and Cultivars

Achillea millefolium ‘Paprika’: Showcases bright red flowers accented with a golden-yellow center.

Achillea millefolium ‘Terracotta’: Living up to its name, it has earth-toned flowers that age gracefully, transitioning from peachy oranges to russet hues reminiscent of aged clay pots.

Achillea millefolium ‘Red Velvet’: A touch of luxury, boasting lush deep red flowers.

Achillea millefolium ‘Cerise Queen’: The magenta-pink flowers present a regal charm.

Achillea millefolium ‘Summer Pastels’: Displays a soft palette from whites to lavenders.

Achillea ‘Moonshine’: Bright lemon-yellow flowers atop silver-gray foliage

Achillea ‘Cloth of Gold’: Golden-yellow flower clusters.

Achillea ‘Coronation Gold’: With its large, flat-topped clusters of gleaming gold flowers

Conclusion

Yarrow’s journey from simple weed to garden gem is quite something. Its history, combined with its easy-going nature and beauty, makes it a worthy addition to any garden. Whether you’re into plant stories or just love a good-looking flower, yarrow has something for everyone.