Exotic Beetle Killing Oak Trees

Exotic Beetle Killing Oak Trees

An exotic beetle has invaded Southern California and targeted coast live oaks. The tiny western oak bark beetle has long been a threat to the oaks but this variety brings a fungus with them that is now wreaking havoc on the iconic oaks. These pests are about the size of a grain of rice. Beetle…

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Care of California’s Native Oaks

Young native oak trees are much more tolerant and adaptable to environmental changes, while mature, established oaks are intolerant of change. This means that any major change in a mature oak’s environment may weaken the tree or kill it. To reduce the chance of this happening, leave the tree’s RPZ, or root protection zone, undisturbed.…

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Oak Trees

Donna Giustizia in Ontario, Canada, is asking that the oak trees near her daughter’s school be cut down due to the risk of a nut allergy reaction from the acorns off the trees. Because she felt strongly about the possible hazards, she appeared before the Vaughan, Ontario, City Council to ask the council to remove…

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Sherman Oaks Trees

Laurel Canyon Boulevard trees in Sherman Oaks were trimmed in a project to help reduce the danger of fires in the area. Trees along this road and in a few other Hollywood Hills areas have had limbs that hang down below 14 feet, which is the clearance requirement for fire department trucks to get through…

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Oak Tree Damage

Cal Fire officials recently spotted a California black oak tree in Idyllwild, CA, that was infested with the gold spotted oak borer. This beetle has already destroyed 80,000 oak trees in San Diego County, but officials hadn’t expected to see it so far outside of the estimated zone of infestation. “Our concern is that it’s…

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Oak Trees

According to Michele Warmund from the Missouri University College of Agriculture, Food and Natural Resources, galls on oak trees, frequently seen in autumn months, are harmless. Galls appear as round, brown growths, especially prevalent on oaks. Warmund has had inquiries about the growths from property owners and thinks that the unseasonably warm spring may have…

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Oak Trees Damaged in Fire

Two oak trees on the Auburn University campus were burned in the early morning hours in November. A video showed the trees rolled with toilet paper and two men passing the trees just before the fire started. A week after the fire, most of the trees’ foliage had browned and begun to fall off. The…

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