Fertilizing with an acidic fertilizer used for azaleas will also help. There should be no lawn grass around the tree. Bark mulch should be extended several feet away from the trunk.

Pin oak is a popular tree to plant in urban settings. One of the most planted trees in New York City, the non-cultivar oak does need pruning and space.

One of the cardinal rules of trees is that with fast growth you get weak wood. This is not always 100% true, and the pin oak is a case in point.

I share your passion for pin oak (Quercus palustris). There's something about their pyramidal form, sweeping lower branches and reddish-bronze color in the fall that sets this tree apart.

On the pin oak, the alternately held leaves typically have less lobes than other members of the red/black oak group. In the fall, leaves change from medium green to a red to reddish brown color. One ...

On this edition of ID That Tree, meet a species of native Indiana oak from the broad red/black oak family, which is found in bottomlands and areas with imperfectly drained soil, the Pin Oak. This ...

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

While I am certainly no expert on oak trees, I would concur that the presence of a pin on the leaves indicates that the seedlings are from the pin oak or another member of the red oak family.

A rare look at the earliest stage of a pin oak tree shows how an acorn develops roots and leaves. Learn how one seedling was identified, transplanted and its role in supporting local wildlife.

Applying fertilizer in the fall is ideal because the soil is still warm enough for plant roots to take up the nutrients and utilize them. Now is the best time to fertilize lawns also because it ...

Chunks of missing bark on a Shumard red oak indicate a serious problem, likely Hypoxylon canker. The fungal disease became more prevalent during the drought.