Yarrow

Yarrow, scientifically known as Achillea millefolium, is a hardy perennial herb known for its feathery, fern-like leaves and clusters of tiny, tightly-packed flowers. This plant is native to temperate regions of the Northern Hemisphere and is renowned for its medicinal properties, ease of cultivation, and ornamental value. Yarrow typically blooms from early summer to early autumn and thrives in well-drained soil with full sun exposure.

1. Common Yarrow (Achillea millefolium)

• Characteristics: This variety is the most widespread and typically features white or pale pink flowers. It's known for its strong aroma and traditional medicinal uses, such as treating wounds and respiratory issues.
• Notable Varieties:
  • Achillea millefolium 'Proa': Known for its robust growth and high essential oil content.
  • Achillea millefolium 'Summer Pastels': Features a mix of pastel-colored flowers including pink, lavender, and peach.

2. Fernleaf Yarrow (Achillea filipendulina)

• Characteristics: Fernleaf Yarrow is distinguished by its taller stature and large, flat-topped clusters of bright yellow flowers. The foliage is more robust and fern-like compared to common yarrow.
• Notable Varieties:
  • Achillea filipendulina 'Parker's Variety': Popular for its large, golden-yellow flower heads and vigorous growth.
  • Achillea filipendulina 'Gold Plate': Known for its deep yellow flowers and sturdy stems, making it ideal for cut flowers and dried arrangements.

3. Sneezewort Yarrow (Achillea ptarmica)

• Characteristics: This variety has finely toothed, lance-shaped leaves and pure white, button-like flowers. It prefers moist conditions and is less drought-tolerant than other yarrows.
• Notable Varieties:
  • Achillea ptarmica 'The Pearl': Features double, white flowers that resemble small pearls, blooming profusely throughout the summer.
  • Achillea ptarmica 'Ballerina': Known for its compact size and abundant white blooms, making it suitable for borders and container gardening.

4. Hybrid Yarrow (Achillea hybrids)

• Characteristics: Hybrid Yarrows are bred for their diverse range of colors and improved garden performance. These hybrids often combine the best traits of various species.
• Notable Varieties:
  • Achillea 'Moonshine': Offers soft, lemon-yellow flowers and silver-gray foliage, known for its long blooming period and compact growth habit.
  • Achillea 'Paprika': Features striking, bright red flowers with yellow centers, gradually fading to shades of pink and cream as they mature.
  • Achillea 'Cerise Queen': Known for its vibrant, deep pink flowers and strong stems, making it excellent for cutting gardens.

Cultivation Tips:

• Soil: Prefers well-drained soil; tolerates poor to average soil conditions.
• Sunlight: Thrives in full sun but can tolerate partial shade.
• Watering: Drought-tolerant once established; overwatering can lead to root rot.
• Propagation: Easily propagated by division in spring or fall, or by seed.
• Maintenance: Deadhead spent flowers to encourage continuous blooming; divide clumps every few years to maintain vigor.

Yarrow is a versatile and resilient plant, making it a favorite among gardeners for its low maintenance and attractive, long-lasting blooms.