The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...

The insects were discovered in Ohio this summer on elm tree leaves at the U.S. Department of Agriculture's forest service research stations in Delaware and in northern Franklin County.

As its name implies, the invasive insect feeds on elm tree leaves, creating a distinctive zigzag pattern on the leaves while feeding. Officials say the larvae are green with a black band on their ...

For trees already weakened by Dutch elm disease, the elm zigzag sawfly may pose a more significant risk than to healthier ones. “It always is complex when you're managing trees and shrubs, because ...

Deciduous trees—including oaks, maples, and elms—are trees that shed their colorful leaves in the fall and sprout bright new green leaves in the spring.

Groundskeepers had been noticing signs of stress and leaf loss since 2022 and implemented efforts to save the beloved elm, including increased watering and fertilization, injecting the tree with ...

First noticed in Ohio in 2012 and in Massachusetts in 2020 in Plymouth and Bristol counties, beech leaf disease had been ...

Purdue Landscape Report: We have received a few elm tree samples this year with a disease we do not often see, but which is relatively common: black spot of elm.This disease, also called elm ...

Groundskeepers had been noticing signs of stress and leaf loss since 2022 and implemented efforts to save the beloved elm, including increased watering and fertilization, injecting the tree with ...

ODNR said while the species is capable of significant defoliation of elm trees, the overall impact of the species on forests and urban landscapes is not fully known, pending new research.

As its name implies, the invasive insect feeds on elm tree leaves, creating a distinctive zigzag pattern on the leaves while feeding. A photo of the distinctive zigzag patter the invasive insect ...