Heartleaf philodendron likes a moist environment. Soil should be kept moist and plant should be watered thoroughly. Heartleaf philodendron rarely hibernates, so sufficient water supply should be ensured in all seasons. It is recommended to water it three times a week and often spray water on the plant and its surroundings for humidification. It is recommended to water them in the early morning. In addition, it is preferable to wipe off the residual water on the leaves, so as to effectively prevent the leaves from being burned by sunlight or breeding germs. Tap water should be avoided as far as possible which contains dissolved minerals, and it is best to use rainwater or distilled water instead.