They can in conditions of drought - but if they do so it is a sign that they are stressed or dying.
If as I think they are the Buckeye is the chestnut then you have a problem chestnuts drop their leaves in the Autumn.
Deciduous trees lose their leaves in winter.
decuios trees loose their leaves in the winter
Trees that keep their leaves in summer and lose them in autumn are deciduous.
Trees do not have excess leaves in Summer,they have the number required to carry out their function.
Deciduous.
Deciduous.
All deciduous trees lose their leaves in winter for various reasons not just frozen winters.
trees make food during the summer from the sunlight they trap through the leaves and turn it into food, this is called photosynthesis but due to lack of sunlight during the winter, the trees store just the right amount of food to maintain the branches and the trunk but not the leaves so to save on food supply, the trees loose their leaves
All trees loose their leaves. Some do so a little at a time and are called "evergreen trees." Other trees loose their leaves all at once, usually in the autumn,, so the loss is very noticeable. These are called deciduous trees.
in the fall. most trees loose their leaves in the fall.
In the summer a trees leaves are green... they don't turn colors until autumn