What Do Brown Spots on Oak Leaves Mean in New Jersey?

A backlit oak canopy where many of the lobed leaves have turned brown and blotchy while others stay green.

Seeing brown spots on your oak leaves this summer in NJ? Learn what causes them, when it’s actually serious, and how an arborist confirms the diagnosis.

Are Mushrooms Growing On a Tree Trunk a Warning Sign of Decay?

Artists Bracket on the trunk of an old poplar tree.

Should you worry when you see mushrooms or fungi growing on your tree? Yes! Read our article to find out why it can be a sign that there is something wrong with your tree.

Beech Leaf Disease in New Jersey: Signs, Treatment Options & What Homeowners Should Know

A mature beech tree canopy showing thinning foliage and early signs of beech leaf disease damage in a forest setting. (Photo courtesy of USFS_Eastern_Region, Public domain, via Wikimedia Commons)

Beech leaf disease threatens millions of trees in NJ. Learn the warning signs and proven treatments that help prevent decline and costly removals.

How to Tell If Your Oak Tree Has Bacterial Leaf Scorch in New Jersey

A mature oak tree with a full, healthy canopy spreading over a residential lawn on a sunny day.

Bacterial leaf scorch is often mistaken for other problems. Learn how it affects New Jersey oaks, when symptoms appear, and what care actually helps.

Worried About Emerald Ash Borer and Other Pests? 5 Tips to Prevent Tree Insect and Disease Damage

The Alpine Tree team’s injection equipment sitting by an ash tree in Mendham, NJ.

Protect your Morris County trees from destructive pests. Alpine Tree shares five simple yet effective ways to prevent insect infestations and disease damage.

Beech Bark Disease: Prevention, Causes, and Symptoms

The newly sprouted leaves of a beech tree.

Beech bark disease is a fatal disease targeting American beech trees across New Jersey. Learn more about the causes and how to prevent beech bark disease.

Are Your Boxwoods Looking Ragged This Spring? Here’s Why …

Boxwood shrubs, a popular landscape detail in New Jersey

Boxwood Leafminers pose a threat to your shrubs and landscape. Prevention is the best medicine, and our team at Alpine Tree can help!

Protecting Your Pines from the White Pine Weevil: A Guide for New Jersey Homeowners

White pine weevil damage to a white pine. Image courtesy of Steven Katovich, Bugwood.org.

Have you noticed the tops of your pine trees looking wilted or brown? This could be a sign of the destructive white pine weevil. Learn how to identify and combat this pest.

16 Insect Pests That Survive Over Winter in New Jersey

aphips on branches of a tree during spring

Insects are cold-blooded, so how do they survive over winter in New Jersey? From ticks and mosquitoes to spotted lanternfly, Japanese beetles, and Eastern tent caterpillars, we’ll uncover their winter survival tactics so you can better combat insects that survive New Jersey winters.

The Rise of the Lantern Fly

With May and June in full swing, the rise of spotted lantern flies and emerald ash borers (EABs) is imminent. These agile lantern flies, with their acrobatic prowess rivaling ninjas, present a challenge to squish. Originating from Southeast Asia, spotted lantern flies have made their way to New Jersey, posing a threat to various plants.…