When watering dahlia, the best time is in the afternoon, but not too late to prevent moisture accumulation at night. During the morning and noon periods, spray can be applied.
When you need to water, you can take out the water first and put it aside to volatilize the chlorine in it. The water temperature is almost the same as the room temperature, so you can water it. The action should be light and slow, not splashed out. You can also use spray fog method, spray evenly on the leaves.
If the water content is too little, it will affect the growth and can not meet the growth demand. If the water content is too much, it will lead to root soaking and root rot. When watering, you don't need to water it if it's not dry. You need to water it thoroughly as soon as you pour it, until it flows to the bottom of the flowerpot.
Spring and autumn belong to the growing season. Water can be poured every 3-4 days to keep every time. In summer, the weather is hot. Water according to evaporation. Winter has reached the stage of dormancy, the water demand has been reduced a lot, the frequency of precipitation needs to be reduced, water can be poured 10-15 days, keep the basin soil dry.
