Embassy of Belgium in Doha, Qatar. Al Sanaa Street, District 64, (between al Markhia and al Jamia Av.) , PO BOX 24418, Doha , Qatar.
This July and August, the WDBJ7 Weather Center has received numerous photos of green acorns covering the ground across the region. The acorns are green, which indicate the trees are dropping them prematurely. Mature acorns are typically tan and often fall during the months of September and October. While an early acorn drop doesn't always indicate a serious problem with the trees, it can mean they are struggling.
Another reason to prune in the summer is for corrective purposes. Defective limbs can be seen more easily, or limbs that hang down too far under the weight of the leaves. If your purpose for pruning is to enhance flowering: For trees that bloom in spring, prune when their flowers fade.