You can find it in the grocery store and on the shelves of your local healthfood store too. But did you know you can probably find it in your backyard as well? Yarrow is a “weed” that grows well across the entire northern hemisphere! In the Okanagan, it is common to see its white or pale yellow flower heads in the late Spring/early Summer, but it’s feathery leaves can be harvested almost year-round depending on growing conditions. Those leaves are classified as ever-green, so even if it snows and you know where to look, you can harvest them even in…