Calendula Beauty Mix -Flower SeedsOverview Calendula (Calendula officinalis) The Calendula is a hardy annual flower that prefers a cooler climate. This flower may return each year after reseeding itself if it is planted in the appropriate growing zone. Commonly known as pot marigold, calendula is different from the common marigold . Calendula generally prefers full sun, but it sometimes languishes during the hottest months unless it receives some afternoon shade. Approx. seeds count