Four season flowers are peony, lotus, Chrysanthemum and orchid. In feng shui, these four season flowers are considered four lucky flowers. Displaying pictures or artificial of Four Season Flowers at home can suffuse your home with blooming energy which brings good luck, prosperity, harmony and wealth.
The meanings of the Four Season Flowers are as followings:
Peony: Peony has the meanings of romance and love;
Lotus: Lotus stands for purity and love;
Chrysanthemum: Chrysanthemum has the meanings of wealth and prosperity;
Orchid: Orchid stands for career success
Another flower,and I don;t know whether it correlates with Feng Shui or not, great for professional success would be Hyacinthe. A lot of floral etiquette experts are suggesting the same to be gifted to people in a professional circle.
For any celebration, decoration is the key part and in case of Christmas, you have to decorate with lot of flower and Christmas ornaments.