For health! Though these haven't gone to flower yet, we're a bit partial to their leaves anyway. Yarrow leaves are a powerhouse anti-inflammatory, digestion aid, and nervous system regulator. In ancient times, yarrow leaves were the common anxiety and pain reliever! They contain flavonoids that aid in digestion in the same way that fermented foods do.
We love it sparingly in tea, dessert toppings, in any marinade or sauce.