(1) Symbolically, the colour gold has connections with the sun and may represent new life, self-renewal; some new development in your psyche. See also Sun.
(2) Gold, as something valuable, may symbolize either your true self, as distinct from your conscious ego, or some faculty in your psyche which, if accepted and activated, could bring you closer to your real self.
(3) Gold fruit (like the golden fleece) features in mythology as a hero’s prize for overcoming monsters or other evils. This symbolizes the rewards of facing up to the contents of the unconscious, taming those that - through neglect - have become wild or aggressive, and integrating them into your conscious life.... A Dictionary of Dream Symbols
If your dream featured it growing, you are being cautioned against interfering in the personal affairs of others; however, if you picked it or it was indoors in a vase or floral arrangement, it predicts a new influential friend.
See also Colors, Flowers, Fo~ liage, etc.... The Complete Guide to Interpreting Your Dreams
Jason’s voyage to find the Golden Fleece can be interpreted by Jungians in the following way. Jason, the archetypal hero, must slay the dragon guarding the fleece; the dragon represents those dark impulses of his that he has to overcome if he is to attain the spiritual purity symbolized by the fleece. Unfortunately, Jason only defeats the dragon with a magic sleeping potion, leaving his dormant impulses undefeated.... The Element Encyclopedia