Alocasia Nebula Silver A silvery folliage Alocasia, dark green and contrasting veining running through the folliage. How to care for your Alocasia – Water: Alocasia need their soil to be moist at all times, do not allow to dry out. Light: They enjoy bright but indirect sunlight, direct sun can scorch the leaves. Humidity: They love warmth and humidity, a bathroom or kitchen would be a perfect spot. Temperature: They prefer warm temperatures about 20 degrees C. Toxic to cats & dogs? Yes Air purifying? No