Now, it has lost almost all its leaves.
Do oak trees lose their leaves in autumn?

Oak leaves are among the last to fall, they turn golden slowly, biding their time, toughing out the weather until a shudder runs through them and they let go, surrendering to a gravity they have resisted since the unfolding of spring. Mar 30, Unfortunately (or fortunately, depending on how you see it) this is a natural occurrence in Texas live oaks. These trees stay green through the winter and will begin to shed their leaves when the weather starts to get warm.
The shedding of leaves are in preparation for new leaves. Usually new leaves will appear shortly after leaves are shrubfall.clubted Reading Time: 2 mins. Sep 01, But if the fallen leaves are discolored or look unhealthy, that could mean a pest or disease. Oak wilt is a common one. First, leaves turn yellow, then brown right before they fall off starting at the top of the tree.
These symptoms call for an arborist.