Why Is My Tree Doing This?

Click on the boxes below to learn how to identify common diseases/issues in your trees.
Root Girdling

Root Girdling

What is this? Roots wrapping around the base of the tree in a circular shape instead of growing straight out from the base of the tree are called girdling roots.…
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Tree Galls

Tree Galls

What is this? Insects and mites are the most common cause of galls, though they can also be caused by fungi, bacteria, and viruses. The formation of the gall is…
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Bacterial Leaf Scorch

Bacterial Leaf Scorch

What is this? Bacterial leaf scorch is from the bacteria xylella fastidiosa. This bacteria is spread from several types of insects that can be typically found on trees, including leafhoppers and…
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Fungal Fruiting Body

Fungal Fruiting Body

What is this? A fruiting body is a fungal structure that contains spores. If there are fungal pathogens infecting your tree, a fruiting body will form on the tree – on…
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Cedar Apple Rust

Cedar Apple Rust

What is this? Cedar Apple Rust (Gymnosporangium juniperi-virginianae) is a fungal disease that needs both a cedar and an apple or crabapple tree to complete its two-year lifecycle. Initially, a…
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Eastern Tent Caterpillar

Eastern Tent Caterpillar

What is this? Eastern Tent Caterpillar larvae spin silken webs in tree branch forks. How do I fix it? Use a stick to remove the nest – best done in early morning…
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Bagworm

Bagworm

What is this? Bag-like cocoons attach to branches, each containing hundreds of bagworm eggs. How do I fix it? Remove bags by hand and discard in sealed plastic bags – do not…
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Emerald Ash Borer (EAB)

Emerald Ash Borer (EAB)

What is this? Emerald Ash Borer (EAB) larval channels. EAB larvae feed on the cambium layer of the Ash tree. EAB is an invasive pest that feeds on and eventually kills…
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Fall Webworm

Fall Webworm

What is this? Nests containing hundreds of fall webworm larvae and caterpillars appear on the ends of branches. How do I fix it? Remove nest by cutting out or removing nest with…
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Leaning Tree

Leaning Tree

What is this? This tree is leaning and just needs a little support! How do I fix it? Even if we did not plant the tree, you can call your NJ Tree…
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Over-watering

Over-watering

What is this? This newly planted tree has been over-watered, whether by nature, humans or both. Overwatering can kill new trees. How do I fix it? Allow the tree pit to dry…
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Scholarships

Through our ‘Planting Environmental Justice One Tree at a Time’ program, funded by the Inflation Reduction Act, we are offering scholarships to the New Jersey Shade Tree Federation Conference in October, and the Garden State Tree Conference in February. These conferences offer an opportunity for attendees to expand their tree knowledge and meet other industry professionals. No prior experience working in urban and community forestry is required.

Interested applicants should meet the following requirements:

  • Be over the age of 21
  • Live in a Census Tract identified by the Climate and Economic Justice Screening tool.
  • Demonstrate an interest in tree stewardship and a desire to share knowledge gained
    through the conference with their community

Scholarships will cover the cost of conference registration (including light breakfast/lunch), travel, and hotel accommodations. Application information will be made available approximately two months prior to each conference, so please check back regularly!

For more information, please contact Elena Messina
(emessina@njtreefoundation.org ) in Northern NJ or Crystal Wessel
(cwessel@njtreefoundation) in Central and Southern NJ.

Community Tree Stewards

The NJ Tree Foundation is seeking 2-3 Tree Stewards for its Community Tree Planting programs.

The Tree Stewards will assist the NJ Tree Foundation’s Program Directors with tasks related to our Community Tree Planting programs in each of our core cities: Camden, Trenton, and Newark. Applicants must reside in one of these cities, and will work in the city in which they live. We are seeking 2-3 Tree Stewards for each city for the Fall Winter 2024-25 season. At the end of the season, there will be the possibility for extension into the Spring 2025 season.

Job Duties and Responsibilities
The Tree Stewards will be responsible for helping the NJ Tree Foundation to implement new tree planting projects, as well as helping ensure the success of prior projects. Tasks will vary depending on the needs of each program, but may include the following:

  • Collecting data on prior tree planting projects (monitoring health of trees and checking for issues, measuring DBH, taking photos, etc.)
  • Canvassing for tree planting projects
  • Staking recently planted trees
  • Pruning and mulching young trees
  • Removing watering bags/stakes/deer guards from older trees
  • Assisting with tree plantings

As the tasks will take place at various locations throughout each city, applicants must be able to arrange transportation to each site.

Required Skills and Experience
The NJ Tree Foundation is seeking hard working and reliable individuals that enjoy working outside and would like to learn more about urban forestry. The applicant must work well with diverse populations, and have an interest in tree planting

For more information, or to apply, please contact Elena Messina
(emessina@njtreefoundation.org ) in Northern NJ or Crystal Wessel
(cwessel@njtreefoundation) in Central and Southern NJ.