The leaves start to turn and are just left black.
You can almost feel the chill in the air and the leaves start to turn.
A. Just wait; the leaves will probably start falling off pretty soon.
Then the leaves of other plants started to dry out, while others simply turned yellow.
Then when the leaves do start to yellow in a few month's time, the rest period can begin.
Fall was in the air, even if the leaves hadn't started turning yet.
Now the leaves of the plant are also starting to show up in stores.
These leaves will start to change color now, falling in their turn.
"We need to find them before the leaves start falling."
In about three weeks, the stems and new leaves should start to appear.