In common with the majority of flowering pot plants, the calceolaria abhors very hot conditions, and much prefers the cool room that is light and well-ventilated. It is important to keep plants moist at all times and tothem well. Small plants when first purchased will benefit if potted immediately into a loam-based mixture – this will reduce the need for and encourage plants to retain their rich green colouring. Keep a watchful eye for and treat immediately. Discard plants when they have finished flowering. Most calceolarias are of hybrid origin and have soft, slightly hairy . The pouch-shaped , borne in large clusters on top of the plants, are usually in shades of red, orange or yellow marked with contrasting colours.