Yarrow 4 oz by Herb PharmWe prepare our Yarrow Extract from the flowering umbels of Achillea millefolium plants which are Certified Organically Grown and or Custom Wildcrafted in their natural wild habitat in the Siskiyou & Cascade Mountains of Oregon. To assure optimal extraction of Yarrow's bioactive compounds, the uppermost flowering tops (umbels) are hand harvested at their peak of potency, are carefully shade dried to retain their full color & aroma, and are then