Fenestraria aurantiaca is native to the coastal sandy and gravelly soils of South Africa. It exhibits a winter growth cycle and is a polycarpic species. Unique within its genus, it features translucent leaf windows that optimize photosynthesis under high light exposure. Cylindrical leaves 3-5 cm long arranged in dense rosettes; apex with orange translucent window; green-gray coloration shifting to orange hues under full sun.
Full direct sunlight exposure; minimal watering during summer dormancy, increased in winter growth; substrate with at least 70% mineral content ensuring rapid drainage; minimum temperature 5°C; critical to avoid waterlogging to prevent root rot.