In general, many plants send out the signal of water shortage when they are very short of water. Sometimes, when their leaves become soft, we can see if we want to water them. We can't water too much because there is a lot of water in their leaves and branches. After watering, the leaves will be full the next day, but if they are still soft, it is necessary to consider whether the root system is rotted and can not absorb water normally.
Generally, if you want to water in spring, summer and autumn, it's better to water in the evening or when it's cooler in the afternoon. In winter, the temperature is relatively low. At this time, if you want to water, you'd better choose to water at noon. When watering, slowly pour in along the edge of the flowerpot. Remember not to let water drop on the leaves. Otherwise, it will be easy to let its leaves have water on them. After the sun's irradiation, it will shine all the light on the leaves, and burn it out. When we finish pouring, we can find a paper towel to suck up the water.
Usually we often watch the weather forecast. If there is continuous rain, your frost direction is just outside, so we don't need to water any more at this time, because in rainy days, it will make the evaporation speed of the water inside slow, so it can be watered for a long time. If it's sunny and the temperature is appropriate, then we can water it frequently, but we also need to determine the amount of water according to the material of your flowerpot and the size of your plants in the frost direction. We can't water blindly. So there is also a way to water the frost