Philodendron Microstictum Philodendron microstictum is a lovely variety of philodendron with gorgeous heart shaped glossy leaves that grow really dramatic when mature, giving it a unique look and feel. Will increase in leaf size when climbing. How to care for your philodendron Water: Let the soil become slightly dry between waterings, if your leaves droop this means your philodendron is not getting enough water. Light: Allow your philodendron to get plenty of bright, but indirect sunlight, too much and leaves can turn yellow. Humidity: They can survive in a low humidity environment, but it will thrive with a higher humidity level. Mist the leaves regularly. Temperature: They like to be in a warmer spot about 18 degrees C. Other info - Toxic to cats & dogs? Yes Air purifying? Yes Questions? Check out our Philodendron FAQ's!