Generally symbols associated with the sea can relate to the unconscious or the deeper aspects of the Self. Seaweed is a plant that grows underwater and can suggest what is growing ‘below the surface’ in the unconscious. It can be a positive symbol of how you have the gift of inspiration that you may not be tapping. It can be a negative symbol showing current entanglements that relate to complexes that you are not addressing. See also Sealife.