Achillea millefolium 'Moonshine' - Yarrow

🌿 Characteristics

Type: Hardy herbaceous perennial
Common name: Yarrow
Scientific name: Achillea millefolium 'Moonshine'
Flower color: Bright pale yellow in dense umbels
Mature height: 45 to 60 cm (18 to 24 inches)
Mature width: 40 to 50 cm (16 to 20 inches)
Habit: Compact, bushy and very floriferous
Flowering period: June to September (prolonged and abundant flowering)
Exposure: Full sun
Watering needs: Moderate to low
Soil type: Well-drained, fertile
Hardiness zone: Zone 3 to 9
Drought tolerance: Excellent
Nectar-rich plant: Yes
Attracts pollinators: Yes
Toxicity to animals: Non-toxic

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✂️ Maintenance

Pinch back stems in early summer to encourage dense branching and more abundant flowering. After summer flowering, cut the plant back to 10-15 cm (4-6 inches) from the ground to prepare for winter. Apply an organic mulch around the base to protect roots and enrich the soil. Divide clumps every 3 to 4 years in spring to maintain vigor and rejuvenate the plant.

Water regularly in the first year to establish a robust root system. Once well-rooted, the plant tolerates dry periods well and requires little maintenance.

Staking is rarely necessary due to its compact and vigorous habit. In autumn, leave dry stems in place to provide winter interest and protect basal buds.