Alpine yarrow: complete guide

Overview

Alpine yarrow, scientifically known as Achillea alpina, is a delightful alpine plant belonging to the Asteraceae family. Native to Siberia, Japan, and China, this mountain-dwelling beauty performs exceptionally well in temperate European gardens.

Alpine yarrow is celebrated for its fine-textured foliage and small yellow flowers arranged in flat clusters. It is an ideal choice for gardeners seeking to incorporate alpine plants into their garden designs.

Appearance and bloom

Alpine yarrow grows as a compact herbaceous plant typically reaching 20-30 centimeters in height. The plant features characteristically fine-cut, feathery foliage creating an elegant appearance. This finely divided foliage displays a green to blue-green coloration and remains attractive throughout the year.

Flowers appear in July and August in small yellow corymbs or flower clusters. These delicate blooms are highly attractive to butterflies and other beneficial insects. After flowering, seeds develop and disperse via wind.

Ideal location

This plant loves full sun and grows best in locations receiving 6-8 hours of direct sunlight daily. However, Alpine yarrow can tolerate light shade, though flowering will be less abundant. Ensure the location is well-ventilated and avoid damp spots. A higher, drier location is optimal.

Soil

Alpine yarrow prefers lean, well-draining soils. Heavy clay soils must be amended with sand or perlite. The plant tolerates acidic to neutral soils with pH 6-7. Ensure soil is not too nutrient-rich, as excessive feeding promotes vegetative growth at the expense of flowering. In fertile areas, consider creating a separate growing bed.

Watering

Once established, this is a very drought-tolerant plant. However, ensure young plants receive regular water until well-rooted, typically 2-3 seasons. Excessive water must be avoided as it causes root rot. Allow soil to dry between waterings. During dry periods, water deeply but infrequently.

Pruning

Alpine yarrow requires minimal pruning. Remove faded flowers and foliage in autumn or early spring to maintain neatness. In late winter, remove any damaged parts. The plant grows naturally compact without requiring formal shaping.

Maintenance calendar

Mar-Apr: Active growth May-Jun: Growth period and blooming preparation Jul-Aug: Flowering period, minimal watering Sep-Oct: Seed setting, plant stabilization Nov-Feb: Dormancy, no care required

Winter hardiness

Alpine yarrow is extremely hardy, surviving temperatures to -20 degrees Celsius and below. The plant easily survives winters throughout northern Europe. In very wet winters, water stagnation can become problematic.

Ensure the growing site drains well. Mulching can protect roots, though this is not always necessary in temperate zones.

Companion plants

Alpine yarrow pairs well with:

• Other alpine plants
• Lavender (Lavandula)
• Sedum
• Artemisia
• Dianthus

These combinations create interesting textural contrasts and extended bloom periods.

Conclusion

Alpine yarrow is a beautiful and low-maintenance plant that will enliven any alpine or dry garden. Its delicate foliage and yellow flowers make it a visually attractive choice for discerning gardeners. Visit gardenworld.app/en for more garden design inspiration.