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Tree Care & Arborist Services in Naperville, Illinois

Local tree care information, common threats, and certified arborists in Naperville, Illinois.

Professional Tree Care in Naperville, Illinois

Naperville, one of Chicago's largest suburbs in DuPage County, is known for its well-maintained residential neighborhoods with mature tree canopies. The community's trees include sugar maple, red oak, white oak, honeylocust, crabapple, and extensive plantings of ash species now being replaced due to emerald ash borer.

Top Tree Health Threats in Naperville

Emerald ash borer has devastated Naperville's ash tree population. The city proactively removed many boulevard ash trees and has an active replanting program. Homeowners with remaining ash trees face decisions about treatment or removal.

Oak wilt has been confirmed in DuPage County and surrounding areas. The DuPage County Forest Preserve District monitors for the disease and educates residents about prevention. Red oak species are most susceptible, while white oak group species have greater resistance.

Other threats include Japanese beetle (damaging to lindens and birches), bagworms on arborvitae and spruce, apple scab on crabapples, and increasingly severe storm events causing ice and wind damage.

Climate & Seasonal Care

Naperville is in USDA Hardiness Zone 5b-6a. The suburban setting with good soil conditions generally supports healthy tree growth. However, new construction often damages root zones of existing trees, and compacted clay soils can limit root development for new plantings. Proper mulching and watering are essential for tree establishment.

Services Available

Naperville arborists offer pruning and crown management, tree removal and stump grinding, EAB treatment programs, plant health care, storm damage assessment and cleanup, tree risk evaluation, construction impact mitigation, and new tree planting design and installation.

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Common Tree Threats in Naperville

Emerald Ash Borer

Moderate

An invasive wood-boring beetle native to Asia that has killed hundreds of millions of ash trees across North America since its discovery in Michigan in 2002. Larvae feed on the inner bark, disrupting nutrient and water transport.

Insect

Spongy Moth (formerly Gypsy Moth)

Moderate

An invasive moth introduced to Massachusetts in 1869. Caterpillars defoliate hundreds of tree species, preferring oaks. Repeated defoliation weakens and can kill trees, especially when combined with drought stress.

Insect

Japanese Beetle

Moderate

An invasive beetle introduced to New Jersey in 1916. Adults skeletonize leaves of over 300 plant species while larvae (grubs) damage turf grass roots. They are particularly damaging to linden, birch, and fruit trees.

Insect

Bagworm

Moderate

A moth whose larvae construct distinctive spindle-shaped bags from silk and foliage fragments. They feed on over 100 species of trees and shrubs, with conifers being most vulnerable since they cannot regrow lost foliage as readily.

Insect

Dutch Elm Disease

Critical

A devastating vascular wilt disease spread by elm bark beetles that has killed millions of American elms since the 1930s. The fungus blocks water-conducting vessels, causing rapid wilting. It fundamentally changed the American urban landscape.

Disease

Oak Wilt

Critical

A lethal fungal disease that affects all oak species, with red oaks dying within weeks of infection. It spreads through root grafts between neighboring oaks and via sap-feeding beetles. White oaks are more resistant but not immune.

Disease

Fire Blight

High

A bacterial disease that primarily affects members of the rose family, including apple and pear trees. It can destroy entire orchards in a single season. Bacteria spread rapidly during warm, wet spring weather through blossoms and wounds.

Disease

Cedar-Apple Rust

Moderate

A fungal disease requiring two hosts to complete its life cycle: eastern red cedar (juniper) and apple or crabapple trees. It causes economic losses in apple orchards and aesthetic damage to landscape cedars.

Fungus

View full Illinois tree health guide

Frequently Asked Questions

What trees should I plant in Naperville, IL?

Great choices for Naperville include swamp white oak, bur oak, hackberry, Kentucky coffeetree, tulip tree, river birch, bald cypress (surprisingly hardy here), and disease-resistant elm cultivars. For ornamentals, try Autumn Brilliance serviceberry or Spring Snow crabapple (fruitless). Avoid ash and Norway maple.

How much does tree removal cost in Naperville?

Tree removal in Naperville averages $400-$900 for small trees, $900-$2,000 for medium trees, and $2,000-$4,500 for large trees. Naperville's larger lots and good access often result in lower costs than Chicago proper. Most reputable companies include cleanup in their price.

Does Naperville require a tree removal permit?

Naperville requires permits for removal of parkway trees and trees in certain zoning districts. Heritage trees (oaks, elms, and certain other species over 10 inches DBH) have additional protections. Contact the City of Naperville Transportation, Engineering and Development Department for specific requirements before scheduling removal.

When is the best time to treat for emerald ash borer in Naperville?

Trunk injections with emamectin benzoate are most effective when applied in mid-spring (May-June) when trees are actively transpiring and can distribute the insecticide throughout the canopy. Treatment should begin before the tree shows more than 30% canopy loss to be effective.

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