Progressive Tree Service

Progressive Tree Service We are a professional tree removal and care service located in Evanston, Illinois.

Progressive tree specializes in tree removal and tree care services, including:
stump removal, tree trimming or pruning, tree shaping, cabling and bracing, and tree health care such as insect and disease management. At Progressive Tree Service, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all the work we pe

rform and are experts that will always keep you educated about the work process. We also value your family's safety as well as the safety of our employees, which is why all of our staff are specially trained and have at least 5 years of experience before climbing or operating equipment. Our team is dedicated to continuing education in order to stay on the leading edge of the arboriculture industry, so whether you need simple shrubbery trimming and shaping or something more complex such as removing an 80' tree from your back yard, we have the skills, people and tools to do the job correctly, safely, and efficiently. Progressive Tree Service is dedicated to providing our customers with the safest and highest quality of work at a fair price while preserving the beauty, health and integrity of the environment

Landscapers and tree companies often do overlapping work. The knowledge base and the professional obligation behind that...
08/13/2026

Landscapers and tree companies often do overlapping work. The knowledge base and the professional obligation behind that work are different. Here's where a certified arborist brings something a general general service doesn't.

1. Oak wilt disease risk protocol. A certified arborist schedules oak work around the disease-risk window — late October through early March. A landscaper trimming your oaks in June may not know that window exists, much less why it matters.

2. Crown dieback vs. crown thinning. Dieback is a health signal requiring diagnosis. Thinning is a structural service. These aren't the same thing. A certified arborist distinguishes them. A general trimmer addresses what's visible.

3. Ground-invisible structural defects. Co-dominant stems with included bark, internal decay above a failed pruning cut, crack patterns at scaffold branch unions — close inspection by trained eyes finds these. A walk-around from a landscaping crew doesn't.

4. When to recommend treatment over removal. The ISA code of ethics requires recommending what is actually right for the tree and client. That professional obligation isn't present in general general service. The difference shows up most clearly when the honest answer is less profitable.

5. Species-specific biology across the full service scope. Root zone management for clay soil conditions, pruning windows tied to specific disease risk, treatment protocols for EAB, oak wilt, and specific fungal pathogens — this is arborist-level species knowledge, not general service scope.

Three ISA-certified arborists on staff. Serving Wilmette, Evanston, and the North Shore.

Summer drought has a predictable fall pattern for trees: the full extent of the damage often appears in September and Oc...
08/10/2026

Summer drought has a predictable fall pattern for trees: the full extent of the damage often appears in September and October, long after the hot and dry period has passed.

Fall signs of drought aftermath:

Early fall color and drop. Drought-stressed trees often color and defoliate 3–6 weeks ahead of their normal timeline. A maple that usually peaks in mid-October can be bare by late September. Stress response, not disease.

Green leaf drop. Some drought-stressed trees skip the color change and drop leaves while still green — a direct water-conservation response.

Asymmetric crown defoliation. One side bare, the other maintaining canopy. When drought stress compounds an existing structural problem — girdling root, one-sided vascular disease, root damage from construction — the defoliation follows the compromised side.

Persistent tip dieback. Small branch tips that didn't survive summer stay attached through fall and winter. These need to come out during dormant pruning to close the disease entry point.

What this means for next season: a tree that showed significant drought stress this year is entering dormancy with depleted energy reserves. Root recovery requires soil moisture during dormancy. Fall deep watering before freeze — not just early spring watering — is one of the most effective interventions for spring recovery in drought-stressed trees.

Serving Skokie, Evanston, and the North Shore. Schedule a fall assessment to evaluate what your trees need going into winter.

Fall pruning recommendations vary by species — the "prune everything in October" approach misses important timing differ...
08/07/2026

Fall pruning recommendations vary by species — the "prune everything in October" approach misses important timing differences that affect disease risk and structural outcome.

Species where fall timing is specifically beneficial:

Oaks — dormant pruning (late October through early March) eliminates the oak wilt beetle exposure window. This isn't a preference; it's the disease-management protocol. For any property with significant oak presence on the North Shore, fall scheduling is the strongly preferred path.

Elms — fall pruning reduces exposure to the elm bark beetles that vector Dutch Elm Disease. Same disease-risk logic.

Fruit trees and crabapples — if fire blight was present this season, fall pruning removes the infected material before it overwinters and re-infects in spring.

Most maples — late fall after leaf drop is generally appropriate. Early fall (before first frost) can stimulate late growth that isn't properly hardened before winter sets in.

Species requiring more care in timing:

Birches — can be pruned in fall but late fall (full leaf drop) is preferred over early fall. Bronze birch borer activity continues longer than most people expect.

Lindens — wound closure slows significantly as temperatures drop toward freeze. Very late fall pruning leaves wounds exposed through winter without adequate callus development.

The species-specific calendar is why arborist-guided fall scheduling produces better outcomes than a single seasonal rule applied across the whole property.

The most common reason a tree that should come down doesn't: waiting for the right moment, the right budget window, or h...
08/04/2026

The most common reason a tree that should come down doesn't: waiting for the right moment, the right budget window, or hoping the situation improves on its own. Trees in decline don't improve with time. They become harder to remove and more expensive.

What happens as the delay extends:

Wood integrity degrades. Internal decay, drying, and fungal colonization change the structural predictability of the wood. A tree removable by a climber with standard rigging in year one may require a crane with specialized sectional approach in year three. Different equipment. Substantially different cost.

Root anchoring weakens. Declining root systems reduce the tree's mechanical hold in the soil. An initially modest lean becomes progressive instability. The probability of uncontrolled failure before scheduled removal increases each season.

Target exposure continues. Every day a structurally compromised tree is standing over a structure, vehicle, or pedestrian area is another day of exposure. Insurance coverage of tree failure damage to structures is variable and not guaranteed.

Emergency removal costs more than planned removal. Always. A storm event that pushes a declining tree to failure results in emergency-rate service, potential structural damage, and a removal complexity that a declining wood condition makes harder to manage safely.

Delay is not free. The costs are real, they're measurable, and they compound with time. Serving Northfield, Evanston, and the North Shore.

The EAB treatment window for 2026 is closing. August is the last effective timing for systemic insecticide applications ...
07/29/2026

The EAB treatment window for 2026 is closing. August is the last effective timing for systemic insecticide applications this season — and here's why waiting until spring costs another full season of larval feeding.

Systemic insecticides — trunk-injected emamectin benzoate, soil-applied imidacloprid — move through the tree via active vascular transport. As trees begin slowing transpiration and preparing for dormancy in late August and September, insecticide uptake and distribution efficiency drops. Applications in September and October often don't achieve the distribution required for full canopy-level protection.

August applications reach active larvae in the cambium, establish residual wood concentration, and carry protection through winter into the following spring EAB adult emergence window.

For ash trees in treatable condition — under 50% crown canopy loss, not in severe structural decline — this is the decision point. Delaying to spring means another complete larval feeding cycle without protection. For trees in early to moderate infestation stages, that can be the season that tips them from treatable to removal-only.

For ash trees already in advanced decline with 50%+ canopy loss: treatment isn't the right path. Removal scheduling is.

An assessment determines which category your tree is in before you invest in the wrong outcome. Serving Park Ridge, Evanston, and the North Shore.

Fall is one of the optimal seasons for tree removal in the Chicago area — and most homeowners don't take full advantage ...
07/26/2026

Fall is one of the optimal seasons for tree removal in the Chicago area — and most homeowners don't take full advantage of the window.

Here's what makes fall removal work better than summer:

Leaf-off visibility. Once deciduous trees drop leaves, full crown structure is visible. For complex removals — anything near a structure, line, or fence — precise sectional rigging is more accurately executed when every branch and attachment point is visible rather than buried in foliage.

Ground conditions. October and early November ground is typically firm enough to support equipment without the turf damage that heavy machinery causes on summer-softened lawns. Chip and crane access across a North Shore property is a very different proposition in October vs. August.

Disease and pest protocol. The oak wilt beetle window and active bark beetle season are closed by late October. Species-specific disease-risk protocols that apply to warm-season work simplify significantly in dormancy.

Wood condition. A dead or declining tree left standing through summer starts losing structural predictability in the wood as internal drying and checking progress. Removing a compromised tree in fall — while the wood is still workable — is preferable to waiting until spring when internal degradation has continued for another season.

The timing consideration: fall removal demand picks up fast in September. August consultation means October scheduling access. September call often means November or later.

Serving Winnetka, Evanston, and the North Shore.

After a storm, the obvious damage gets dealt with. The dangerous damage is often the damage that didn't land yet.A post-...
07/23/2026

After a storm, the obvious damage gets dealt with. The dangerous damage is often the damage that didn't land yet.

A post-storm walk-through checklist:

Hanging limbs (widow makers). Branches that broke but are still partially connected. Held by a thread of bark or wood fiber. They fall without warning — sometimes hours later, sometimes weeks. Look up into the canopy from multiple angles. This is the highest-priority item on the checklist.

Split unions. Major branch connections and the main trunk. Cracks that weren't visible before the storm. A split that opened under load and partially closed may be invisible — feel along scaffold branches for bark separation.

New lean. Trees that shifted at the root plate during high wind and re-stabilized partially. Check soil at the root flare for heaving or cracks. A tree that moved and didn't fall is not necessarily fine.

Structure debris. Branch sections on the roof, fence, or structures not visible from the ground. Ongoing pressure damage if not removed.

Trunk impact damage. A falling limb that hit the trunk on the way down damages the cambium at angles you won't see from normal positions. Check the base.

For anything found in this check: (847) 530-1533. Emergency response 24 hours, serving Skokie, Evanston, and the North Shore.

Fall is one of the best seasons for structural tree work on the North Shore — dormancy makes structural assessment easie...
07/20/2026

Fall is one of the best seasons for structural tree work on the North Shore — dormancy makes structural assessment easier, pest pressure is reduced, and oaks can be pruned without the disease risk of warmer months.

The issue: everyone wants fall tree work, and the calendar is finite.

Storm season (June–August) runs crews at capacity with emergency and urgent work. That capacity doesn't expand overnight when September arrives and everyone who noticed their tree over the summer calls at once. The result is waitlists, delayed project starts, and sometimes deferred work until spring.

Booking in August accomplishes two things: it secures your spot on the fall schedule while it's still accessible, and it gives the arborist team time to assess the project before the crush of fall demand.

What falls into the "book now for fall" category:
— Structural pruning projects on any species, especially oaks
— Tree removals that have been deferred through summer storm season
— Stump grinding backlog
— Cabling and bracing on trees you've been monitoring
— Pre-winter crown cleaning and deadwood removal

August consultation = October completion. That's the math.

Serving Glenview, Evanston, and the North Shore. Schedule at the link in the first comment.

Japanese beetle season runs late June through August in the Chicago area, and in a bad year, the defoliation they cause ...
07/17/2026

Japanese beetle season runs late June through August in the Chicago area, and in a bad year, the defoliation they cause on certain tree species is significant enough to warrant intervention rather than just watching.

Feeding pattern: they skeletonize leaves — eating the tissue between the veins, leaving the vein structure intact. The lacy, brownish result is distinctive. Top host species: lindens, crabapples, purple-leaf plum, roses, certain ornamental cherries. Oaks and most maples typically aren't heavily affected.

For most established trees: one season of moderate defoliation is manageable. An established linden can lose 30–40% of leaf area and recover fully. The situation escalates when:
— Heavy defoliation happens over consecutive seasons
— Defoliation compounds existing drought or disease stress
— The affected tree is young or has limited energy reserves

Active management options:
— Systemic soil-applied insecticides (dinotefuran or imidacloprid) provide control but work best as preventive treatments before peak feeding — not reactive treatments once the beetles are already present and feeding heavily
— Trunk injection acts faster but costs more
— Manual removal is effective on small trees

Beetle traps: research consistently shows they attract more beetles to your yard than they catch. Skip them.

For trees where defoliation is compounding other stressors, a professional assessment determines whether systemic treatment is cost-effective this season.

The most dangerous assumption in tree care: full leaves = healthy tree. A tree can hold a full, green canopy while carry...
07/11/2026

The most dangerous assumption in tree care: full leaves = healthy tree. A tree can hold a full, green canopy while carrying a serious structural defect, active root disease, or significant internal wood decay — sometimes until the year it fails.

Signs that are genuinely concerning:

Crown dieback progressing top-down. When the upper crown is failing and lower branches are still green, that pattern points to a vascular problem — root disease, girdling root, vascular wilt. The top of the crown is the last part of the water delivery system to be served. It fails first when the system is compromised.

Fruiting bodies (mushrooms, shelf fungi) at the base or on roots. These are the visible signal of wood decay that started years ago and has been advancing internally. The outside of the tree may look structurally sound. The inside may not be.

Cracks at major branch unions or along the trunk. Structural defects under load. They don't heal themselves, and they worsen.

Signs that are typically cosmetic:

Leaf spots and tar spot on maples. Looks alarming. Largely benign in established trees.

Some early leaf drop in summer. Not all early drop is a crisis — heat, drought, and common fungal infections cause it in otherwise healthy trees.

Surface root visibility. Not a health problem in most cases. A structural concern only if damage or soil change has compromised the root zone.

Knowing the difference prevents two bad outcomes: removing a healthy tree unnecessarily, and delaying action on one that actually needs it.

Address

1124 Florence Avenue
Evanston, IL
60202

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm

Telephone

+18475301533

Website

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