Blackthorn (Prunus spinosa) is one of Europe's most revered mystical trees, known for its striking white blossoms that emerge before its leaves in early spring and its dark blue-black fruits called sloes that ripen in autumn. This hardy, thorn-covered shrub has long stood as a guardian of boundaries, transformation, protection, and resilience. Deeply woven into Celtic folklore and hedge witch traditions, Blackthorn teaches that beauty and growth often emerge after hardship. W