Organically grown. Proa is an improved yarrow with higher essential oil content (1.3%), better flower production, and the flowers are more uniformly white. This is the yarrow preferred by those who use yarrow medicinally.
Yarrow flowers hold stronger medicinal properties than the leaves. Used to treat colds, fevers and to improve digestion and circulation. Yarrow is also considered a valuable tonic for the liver and kidneys. Proa yarrow plants grow 2-3′ tall, the white flower clusters are held on long stems in summer. Perennial. Winter hardy to zone 3. Packet is ⅛ gram, about 600 seeds.
How to Plant Yarrow Seeds
Sow seed in cell packs or flats, press into soil but do not cover. Needs light to germinate. Kept at 60-65°F., germination is in 10-20 days. Can direct sow into prepared seed beds, 3 seeds per inch. Thin to 12-18″ apart.