Cottonwoods grow along rivers and release drifting tufts of seed like summer snow. They are read as finding life near water and as ideas scattered on the wind.
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.