Autograph trees are one of the most eye catching plants you can grow. They get their unique name from the thick, waxy green leaves that you can scratch things into. Such as your autograph:) This is a plant that does not tolerate cold weather, keeping your home between 16-29°C (60-84°F). With the latter end of the range being preferred. Keep the soil moist, water it regularly – but it can survive short periods of drought. They prefer plenty of bright light, full sun is ideal, but will cope indoors in partially shaded areas.