Common yarrow is a herb (a non-woody plant) about 30 cm to 70 cm tall. Leaves are evenly distributed along the stem, with the leaves near the middle and bottom of the stem being the largest. The leaves have varying degrees of hairiness. The leaves can be 5 to 20 cm long, are feathery, and grow spirally along the stem clasping inward. Shop Now: https://www.aromaticscanada.ca..../shop/oils/essential