The production of specific crops is a major commercial activity in horticulture. These activities have been traditionally categorized into 4 groups each having some distinct characteristics. Although there is some overlap among these 4 groups, they remain somewhat unique clusters identifiable by common practices, problems, professional associations, and history.
Vegetable production - (also known as Olericulture)
Vegetables of all kinds.
Fruit production - (also known as Pomology)
Citrus, stone fruits, small fruits, etc
Floriculture
Cut flowers, bedding plants, foliage plants, pot plants
Landscape Horticulture (characterized by Nurseries)
