Comments
should my begonia leaves cutl like this?

2
Waiting for answer
The plant appears healthy.
In my experience they will curl to conserve moisture. You may be under watering. Try watering from the bottom to get the moisture level up.
2
Waiting for answer
The plant appears healthy.
In my experience they will curl to conserve moisture. You may be under watering. Try watering from the bottom to get the moisture level up.