Some Plumeria cultivars are known for their unique and unusual flower colors, adding excitement and variety to collections. Examples of cultivars with unusual flower colors include “Black Widow” with dark red and black flowers, “Mardi Gras” with multicolored petals, “Lemon Drop” with pale yellow flowers, “Cherry Tart” with deep pink and red tones, and “Mint Julep” with minty greenish-white blooms. These cultivars stand out and appeal to collectors and enthusiasts who seek something different from the more traditional Plumeria flower colors.