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Sep 25, If the oak branches that are falling have green leaves on them, you are most likely seeing the result of squirrel nest building activity. Normally this is more common in early summer and/or early winter.

That it might be occurring now is a bit unexpected. However this year has also seen spring shrubs (e.g., lilacs) blooming a second time. 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.

Oct 25, Oak trees are bound to lose at least some of their foliage, especially when the cool fall and winter weather arrives. But if you discover significant patches of open, missing foliage, it could be a sign of Diplodia canker, which is a fungal twig and branch disease that affects certain species of shrubclean.bars: May 18, Oak wilt is a common one. First, leaves turn yellow, then brown right before they fall off starting at the top of the tree. If there are no disease symptoms on your oak, investigate other possible causes, like the tree's moisture level.

Why Are Trees Losing Leaves in June, August or Early Fall. Jun 03, Dallas TX area. May 23, #1. I bought my 35 year old home last April, and we have a large Shumard Red Oak in the back yard that is probably about the same age as the house. For the past two weeks the tree has been dropping a large number of green leaves, as well as some brown leaf clusters. There is no evidence of insect damage, and we did. Live Oak Leaves Falling Off. With a dense, evergreen canopy stretching up to feet wide, live oaks (Quercus virginiana) provide strategic, year-round shade for your garden and nearby home.

Evidence of a boring insect infestation.

Why Do Green Leaves Fall Off Trees. If your tree has leaves falling off that are still green, there could be a number of issues that are affecting your tree. If there has been a late cold snap this could cause your tree to go into shock and shed some of its leaves.