Yarrow - Key Growing Information
DAYS TO GERMINATION: 10-14 days at 65-72°F (18-22°C).
SOWING: Transplant (recommended): Sow 8-10 weeks before last frost. Do not cover seed as light is required for germination. Bottom water or mist lightly to avoid covering the seed with displaced soil. Transplant to cell packs or 2-4" pots when the first true leaves appear, approximately 3 weeks after sowing. Harden off and transplant outside after the last frost. Direct seed: Sow seed in late spring, after late frost, early summer, or fall. Thin to stand 12-24" apart. Support may be necessary.
GROWING ON: Grow seedlings for 3-5 weeks at 70-72°F (21-22°C) in full light.
LIGHT PREFERENCE: Sun.
SOIL REQUIREMENTS: Any well-drained soil.
PLANT SPACING: 12-24".
HARDINESS ZONES: Zones 2-9.
HARVEST: Fresh: Harvest when pollen is visible on the flowers. Cut in the coolest part of the day.
USES: Excellent cut or dried flower. Permanent beds and mass plantings.
Note: Divide every 3-4 years to maintain vigor.
SCIENTIFIC NAME: Achillea millefolium