In the summer, abundant regular watering every 3-4 days, the soil should dry up to a depth of 1.5 cm between watering. Use only soft water. In winter, watering moderate no more than 1 time per week. It is required not to fill the plant, but at the same time, the soil should never dry completely, even in winter. For serissa, grown as bonsai, the bottom irrigation from the pallet is useful. After such watering, it is required to drain the water.