What causes leaves to dry out

Lack of moisture, Excessive moisture, fungi, Excessive fertilizer, and water quality

Explanation:

All to name a few

Lack of moisture - Papery leaves on plants are often caused by leaf scorch ...

Excessive moisture - Leaf scorch can also be attributed to too much moisture. This occurs when the soil is so wet that the roots are deprived of oxygen. As the roots smother, the leaves turn dry and papery and the plant eventually dies.