Pearl Yarrow (Achillea ptarmica), often called White Tansy or Sneezewort Yarrow, is a stunning perennial that produces dense clusters of pure white, double flowers throughout summer. Known for its durability and long bloom period, this plant thrives in various soil types and requires minimal maintenance.
Pearl Yarrow is prized for its fragrant foliage, pollinator-friendly blossoms, and resilience to heat and drought once established. Ideal for garden borders, rock gardens, cottage gardens, and cutting gardens, its blooms are also perfect for drying or floral arrangements.
Features
- Premium Non-GMO Achillea ptarmica seeds
- Produces double white flowers in abundance
- Excellent cut or dried flower variety
- Attracts butterflies and beneficial insects
- Thrives in sunny, well-drained areas
- Drought-tolerant and low-maintenance
- Great for garden borders, rock gardens, and wildflower beds
Specifications
- Scientific Name: Achillea ptarmica
- Common Name (US): Pearl Yarrow, White Tansy, Sneezewort Yarrow
- Plant Type: Herbaceous perennial
- Flower Color: White (double blooms)
- Foliage: Green, finely textured, aromatic
- Height: 18–30 inches (45–75 cm)
- Spread: 12–24 inches (30–60 cm)
- Bloom Season: Late spring to late summer
- Light Requirements: Full sun to partial shade
- Soil Type: Well-drained sandy or loamy soil
- Soil pH: 6.0–7.5
- Watering Needs: Low to moderate; drought-resistant once established
- Temperature Range: 60–85°F (15–29°C)
- USDA Hardiness Zones: 3–9
- Days to Germination: 10–20 days
- Seed Depth: Lightly press onto soil surface; do not bury deeply
- Plant Spacing: 12–18 inches (30–45 cm)
- Life Cycle: Perennial
- Pollinator Friendly: Yes (butterflies & bees)
- Deer Resistant: Yes
- GMO Status: Non-GMO
- Maintenance Level: Easy
- Uses: Borders, rock gardens, dried flower arrangements, pollinator gardens
Planting Guide
- When to Sow: Start indoors 6–8 weeks before the last frost or direct sow outdoors after frost risk is gone.
- Seed Depth: Lightly press onto soil surface; do not cover deeply as light aids germination.
- Germination Time: 10–20 days at 65–75°F (18–24°C).
- Light Requirement: Full sun preferred for best flowering.
- Watering: Keep soil moist during germination; reduce watering once established.
- Transplanting: Move seedlings outdoors when they are strong and after the last frost.
- Care Tips: Deadhead spent flowers to encourage new blooms. Divide clumps every few years for vigorous growth.
