Dahlia still prefer a humid environment. Generally, it can't stand drought, but it doesn't need to be watered too much. It also needs to avoid excessive water to cause waterlogging. Too much drought is easy to make leaves yellow and wither, but too wet is easy to cause rotten roots, so it can't be watered too much
In the process of its growth, it needs sufficient fertilizer supply. When applying fertilizer, you can not just apply it. You can apply thin fertilizer frequently. It will backfire if you forget to apply fertilizer or apply too much.
The condition of light can't be ignored. It's easy and simple to meet this condition, so that it can get enough sunlight.
Dahlia likes to grow in a cooler climate, just at about 10 to 25 ℃.