In Celtic lore the hazel is the tree of wisdom, and its forked branch was used to find hidden water. Dreaming of it is read as intuition, insight and knowing where to look.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.