This is the top 10 list of prettiest flowers with explanations why they are pretty. The list is in no particular order.

1. Rose
   Roses are pretty because of their smell, color, and the fact that they are associated with love.
2. Lily
   Lilies are pretty because of their shape and color. They are also associated with purity.
3. Tulip
   Tulips are pretty because of their shape and color. They are also associated with love.
4. Orchid
   Orchids are pretty because of their shape and color. They are also associated with luxury.
5. Sunflower
   Sunflowers are pretty because of their shape and color. They are also associated with happiness.
6. Daisies
   Daisies are pretty because of their shape and color. They are also associated with innocence.
7. Carnations
   Carnations are pretty because of their shape and color. They are also associated with love.
8. Chrysanthemums
   Chrysanthemums are pretty because of their shape and color. They are also associated with grief.
9. Lilacs
   Lilacs are pretty because of their shape and color. They are also associated with first love.
10. Iris
    Irises are pretty because of their shape and color. They are also associated with royalty.