Your ultimate duty will be creating and attractively designing the flowers as per the clients' preferences. As a Floral Designer, you will be responsible for selling the floral arrangements to the customers for special occasions such as weddings, birthdays, anniversaries, etc. floral decoration, art of arranging living or dried plant material for adornment of the body or home or as a part of public ceremonies, festivals, and religious rituals. floral decoration. Floral design or flower arrangement is the art of using plant material and flowers to create an eye-catching and balanced composition or display.