Established in 1979, Greenheart has grown to become one of California's leading vegetable plug transplant producers. With two facilities in California and another in the desert southwest, its nursery ranks as one of the largest in the nation. Additionally, Greenheart s nurseries propagate in excess of one billion plants each year. Greenheart propagates flower transplants for customers in the seed production, cut flower and ornamental businesses. Its flowers and herbs include oregano, French terragon, sage, basil, mint, poinsettias, echinanea, rosemary, pine, roses and parsley.