Suited to subtropical and temperate regions. A very popular cycad which is widely grown and has proved to be adaptable to a range of climates and situations. Plants grow best in full sun and need excellent drainage. Watering during summer is beneficial and unimpeded air movement is important to avoid foliage being damaged by excessive wet. Tolerant of light to moderate frosts. Dioon mejiae is one of the more commonly grown members of this genus. It is a very hardy species which will withstand considerable exposure to sun as well as some dryness of the roots.