To dream of blackberries denotes many ills. To gather them is unlucky. Eating them denotes losses. Blackberries Denote sorrow and arrogance, said to date from when lucifer fell into a bush when he was sent to earth from heaven.Blackberries 1. Unconscious sexual desires emerge. 2. A need to use more vigilance in affairs, business or emotional. 3. Possible reversal of fortune.