Yarrow Seeds
Yarrows are among one of the most carefree and generously blooming perennials for summer and fall gardens. Several types are used as cut flowers as well. Leaves are gray or green, have a bitter aromatic fragrance. Flower heads are usually in flattish clusters. WIth only routine care with some watering until they are established, and at that time they can endure drought conditions.
Flower Garden � Tips on Growing Yarrow From Seed
Cut back stalks after summer bloom to encourage a second short bloom period in fall. Yarrow spreads by underground runners. Can be invasive in some climates. Control growth by growing in isolated areas or using edging.
When to plant outside: Sow in spring after average last frost date or in late summer/early fall.
When to start inside: Sow 8-10 weeks before average last frost at a soil temperature of 75-80�F. Transplant outdoors after danger of frost is past, thin to 8-20".
Special Germination Tips: Seed requires light to germinate - press lightly into soil surface and keep moist, and Do Not Cover the Seed. Germination will take about 5-10 days. 2nd year perennial.
USDA Hardiness Zone -First Frost Date- Last Frost Date
- Zone 1 -July 15th -June 15th
- Zone 2 -August 15th- May 15th
- Zone 3 -September 15th May 15th
- Zone 4 -September 15th May 15th
- Zone 5 -October 15th April 15th
- Zone 6 -October 15th April 15th
- Zone 7 -October 15th April 15th
- Zone 8 -November 15th March 15th
- Zone 9 -December 15th February 15th
- Zone 10 -December 15th January 31st (sometimes earlier)
- Zone 11 _No frost. No frost.
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