The most suitable time for iris to be watered and watered is in the morning, which is also beneficial for absorption. Note that in winter, it is better to choose the time in the morning towards noon. The time is too early and the temperature is low, which may affect the roots.
There are two ways of watering. The first is the simplest direct watering. First, take out the water and put it in the normal temperature for airing. When the temperature is almost the same, you can slowly pour it down along the edge of the flowerpot, pour it over and over again, shake it evenly, and promote the absorption of water and soil evenly. You can also use the method of basin immersion, prepare the barrel, and then put the flowerpot in it for about 30 seconds.
As for the amount of water to be watered, the amount of water to be watered should be increased when the temperature is high due to different climate. When the temperature drops, the water demand decreases.
Spring and autumn two growth seasons, the climate is also relatively suitable, you can choose to give water once a week. If the temperature in summer increases, the rate of water evaporation will be faster. At this time, water can be poured every 3-4 days. If the temperature is low and the water demand is reduced, the frequency needs to be reduced.
