Ficus Bonsai Plant SmallDescription Ficus bonsai trees are low light tolerant but require well lit, well draining soil. They thrive in sunlight and can be kept outside during summer. Misting spraying with water helps create a humid environment, while a drip or humidity tray helps evaporate excess water. Watering should be balanced to prevent rot, yellowing leaves, and dryness. Outdoor care is also viable for these trees.