-ist: Indicates a person who studies or cultivates flowers, like "florist."
-y: Indicates something related to flowers, like "flowery" or "daisy-y."
-ing: Indicates an action related to flowers, like "flowering" or "blooming."
-ed: Indicates something adorned with flowers, like "flowered" or "garlanded."
-ous: Indicates a quality of a flower, like "fragrant" or "petalous."
It's important to note that many words related to flowers don't have suffixes at all, such as "rose," "tulip," or "lily."