A peony in your dream or vision tells you about how you approach problems, things, life and how you react to it. The peony tells you about letting go of old habits and thoughts and emotions.
Another explanation is that the peony does not indicate unexpected miracles, that you have to work hard to get where you want to be, longer projects and wishes.
Yet another explanation is finding passion and higher energy and finding like-minded attraction that you experience and / or want in your life. The peony tells you about the challenges and nothing about the solution of, you experience awareness of the fact that ....
An alternative explanation of the peony is experiencing opposition, setback and perhaps even some dishonesty. A spiritual explanation is that the peony represents your connection to the higher energies and higher vibrations such as the 5th, 6th, 7th and 8th dimensions. Yet another explanation is that the peony represents the spring and summer season.