Generally, the plant needs to be watered when the soil dries out completely but before shriveling or wilt of the plant occurs. Feeling the soil in the pot provides the best guide for watering times. If the soil feels moist, the plant doesn't need water. Water dry pots until the excess moisture begins to drip from the bottom of the pot, and empty any collected water from the drainage tray promptly. Allow the soil to dry out again before the next watering.