Quiero estar seguro que mi entendimiento esté bien plantado (si me perdona la expresión) y correcto: Verdura : Used in everyday language – José eat your verduras or you’re not going anywhere. We bought some verduras this morning for a salad tonight. Hortaliza: Technically interchangeable with verdura, but reserved generally for more formal usage: Much can be learned about a people by observing their methods of cultivating hortalizas. A government program supporting the cultivation of hortalizas was announced today. Vegetal – Strictly reserved for botany, biology, plants in general. The reino vegetal. Agronomy is basically the study of vegetales.