The common blackberry, Rubus allegheniensis, and the American Blackberry, R. villosus are also called Brambleberry and Brummel.
Blackberries are often associated with the sabbats of Imbolc, Beltane, Lughnasadh, and Mabon.
They are sacred to the Goddesses Brigid, Danu, Freya, and Hathor. The Gods that correspond to these yummy berries are Bacchus, Dionysus, Dagda, Manannan, Osiris, and Poseidon.
Metaphysically blackberries are often used to help with attachments, death, envy, communication, fertility, grounding, growth, healing, harmony, happiness, peace, intuition, luck, clearing the mind, abundance and prosperity, protection, connecting to the fae or spirits, and inner purification.