Here's a list of my favorite flowers. Sometimes it rotates, but the top 5 are usually always set!
1. Rannunculus
2. Peach or Cherry Blossoms
3. Peony
4. Icelandic Poppies
5. Tulips
Other favorites (rotating)
Crysanthemums
Cymbium Orchids
Water Lilies
Lotus
Mosses
Hydrangea, especially when they are sage color, right before turning white.
Bearded Iris
Japanese Lanterns