horticulture is the study of the biology, improvement, production and utilization of fruits, vegetables, flowers, medicinals, ornamental crops, trees, shrubs and turf grass grown under field and greenhouse conditions. it is the most diverse of agricultural industries, involving both art and science with career opportunities from greenhouse and golf course management, food production and landscaping to research and education and beyond. production and utilization of horticultural crops and ornamental plants represent an opportunity for expansion and diversification of canada's agriculture sector. nutraceuticals, biopharmaceuticals and the supply and maintenance of horticulture crops are growth areas with excellent opportunities for entrepreneurs.