Throughout history, Yarrow has woven its way into human culture, medicine and mythos. Its presence dates back to ancient times, with evidence of its use found in Neanderthal burial caves. Known by various folk names like herbal militaris and knight’s milfoil, Yarrow holds a masculine energy at times. In Greek mythology, Yarrow is linked with Achilles, who used it for protection and healing during the Trojan War. In China, it played a role in divination with the I Ching, offering insights from the divine. Yarrow enhances psychic abilities, connects with animal guides, and symbolises traits associated with Archangel Michael, making it a conduit for spiritual healing and guidance.