Woah! What a beauty. It’s so rich in color and the bloom appears to be so fresh and untouched. I think a lot of the ideas and feedback given so far is right on the money in terms of stretching your creative muscles. Technically speaking, a polarizer can help in certain situations, but will increase your shutter speeds which can make stacking even more impossible if that’s your goal. If you’d like to take a stab, there’s a whole thread dedicated to it here -
Please feel free to chime in with questions - this project of yours is certainly a worthy one!