Emerald Ash Borer Treatment & Ash Tree Removal in Peoria, IL
EAB has killed millions of Illinois ash trees. Learn whether your ash can be saved with treatment or needs safe removal — with real Peoria prices and timelines.
If you’ve got an ash tree in your yard, you’ve probably heard the bad news. The emerald ash borer — a little green beetle from Asia — has killed nearly every untreated ash in Illinois, including thousands across Peoria’s parkways and neighborhoods.
But your ash isn’t automatically doomed. If it’s still mostly healthy, treatment can protect it for years. If it’s too far gone, fast removal keeps everyone safe.
We’ve done both all over Peoria, and we’ll give it to you straight.
Quick answer: Emerald ash borer treatment works, but only before the tree loses 30% of its canopy. A healthy ash can be protected with trunk injections every two years, roughly $200–$400 per treatment. Past 50% decline, removal is the only safe option.
- Cost: Treatment $200–$400 per tree every 2 years · Removal $600–$2,500 depending on size
- Method: Trunk injection (emamectin benzoate) for treatment; sectional takedown for removal
- Timeline: Treatment takes 1 visit; removal usually 1 day including cleanup
- Permit: No city permit needed on private property in Peoria; parkway trees are the city’s call
- Safety: Dead ash gets brittle fast — branches snap without warning. Don’t wait it out.
How Emerald Ash Borer Kills Ash Trees
The beetle itself is tiny — about half an inch, shiny green. The damage happens underneath the bark, where larvae chew winding S-shaped tunnels through the layer carrying water and nutrients up. Think of it like cutting the plumbing — the tree starves slowly, from the top down.
That’s why folks around Grandview Drive and the older neighborhoods near Bradley Park, where big mature ashes are everywhere, should check trees now, not when leaves stop coming.
5 Signs EAB Has Found Your Ash
- Thinning crown. The top of the tree starts looking see-through — sparse leaves up high while lower branches still look okay. That’s the classic first sign.
- D-shaped exit holes. Adults chew out leaving tiny D-shaped holes, about an eighth of an inch wide. Grab a magnifier and look.
- Suckers along the trunk. The stressed tree sprouts leafy shoots straight from the trunk and base. A suddenly “fuzzy” ash is a stressed ash.
- Woodpecker damage. Woodpeckers love borer larvae. If they’re hammering your ash all winter and stripping bark patches, they’re telling you something.
- Bark splitting. Vertical cracks over dead, winding tunnels underneath. Peel a loose piece and you may see the S-shaped galleries yourself.
Treatment vs. Removal: The Honest Decision
It comes down to one thing: how much of the tree is already gone. Here’s the framework we use on every assessment.
When Removal Is the Only Safe Answer
Past about 50% canopy loss, treatment is throwing money away. The tree can’t recover that much dead crown, and dead ash is uniquely dangerous — the wood dries out and gets brittle fast.
Limbs snap off without warning; arborists call them “widowmakers” for a reason. We’ve seen dead ashes drop 6-inch limbs on calm days.
If your dying ash hangs over your house, your kid’s playset, or the power lines along Knoxville Ave, don’t gamble. Our emergency tree removal crew handles exactly that, day or night.
What EAB Treatment Actually Involves
Forget the old soil drenches and sprays — modern EAB treatment is trunk injection. We drill small ports at the base and inject product directly into the tree’s vascular system, which carries it into the canopy where feeding larvae die. One treatment protects for two full years.
Timing matters. We treat in spring — May through early June in central Illinois — when the tree is actively moving sap. The appointment takes about an hour for an average yard ash.
No mess, no spray drift, and it’s safe for pets and kids the moment it’s in the tree.
A word on the products you’ll see at the garden center: the DIY soil-applied stuff is far less effective, especially on larger trees. The University of Illinois Extension publishes straight-talk guidance on which EAB treatments actually work in Illinois — and their take matches ours.
For anything with a trunk wider than about 12 inches, professional injection is the only approach worth paying for. We’ve retreated plenty of trees where the homeowner tried the DIY route first and lost two years.
Ash Tree Removal Costs in Peoria, IL
Nobody likes surprise pricing, so here’s what ash removal actually runs around Peoria. Dead ash costs more than live-tree removal because climbers often can’t trust the limbs — we frequently need the crane or bucket truck instead.
| Tree Size (trunk diameter) | Typical Removal Cost | Notes |
|---|---|---|
| Small (under 12″) | $600–$900 | Usually straightforward, half-day job |
| Medium (12–24″) | $900–$1,500 | Most common yard ash; 1 day with cleanup |
| Large (24–36″) | $1,500–$2,200 | Often needs crane near houses |
| Extra-large (36″+) | $2,200–$2,500+ | Sectional takedown, full crew, full day |
Stump grinding runs $150–$400 extra — most folks add it so they can replant. Every quote is free, in writing, and good for 30 days.
One cost people forget: waiting. A dead ash that’s still standing is cheap to remove. A dead ash that’s half-fallen across your garage after the next windstorm — remember the June 2024 derecho — costs far more, plus your insurance deductible.
The cheapest time to remove a dead ash was last year. The second cheapest is today.
What Happens If You Do Nothing
Let’s be blunt, because we’ve cleaned up the aftermath. An untreated ash in Peoria today is a dead ash within 3–5 years — EAB kill rates run 99%+ without treatment. Then you’ve got a standing dead tree, and here’s what that turns into:
- It becomes a hazard. Brittle ash limbs break in normal wind. We’ve done middle-of-the-night calls for ash limbs through roofs in West Peoria and across fences in Bartonville.
- It becomes your liability. If your dead tree drops a limb on a neighbor’s car or a passerby, you’re the one explaining it.
- It gets more expensive. Dead-ash removals cost more — crane work instead of climbing, more crew, more time.
- The city may get involved. Peoria has been systematically removing dead parkway ashes for years. If yours is between the sidewalk and street, the city may handle it — but the one in your backyard is 100% yours.
Doing nothing is a decision too — just the most expensive one.
Our EAB Process, Start to Finish
When you call us about an ash, we come out for a free assessment — canopy density, exit holes, trunk measurement. You’ll get a straight answer: treatable, borderline, or removal.
If treatment makes sense, we schedule the injection and put you on a two-year reminder. If it’s removal, you get a firm written price, full takedown, chipped brush, and stump grinding if you want it. Then we talk replanting — a yard without a tree feels empty, and we know what thrives in Peoria clay.
Our crew is local, insured, and does this work every single week. We’re the same team behind Peoria Tree Removal Co.‘s full range of tree care.
Check out our certified arborist services for the full picture of how we care for trees, not just remove them.
Frequently Asked Questions
How do I know if my tree is actually an ash?
Look for opposite branching (twigs grow in pairs, directly across from each other), compound leaves with 5–11 leaflets, and diamond-pattern bark on mature trees. Still not sure? Text a photo of the leaves, bark, and a twig to (309) 250-8333 — we’ll ID it free. About half the “ash” calls we get turn out to be walnut or hickory.
Can a half-dead ash be saved with treatment?
Honestly? If it’s lost more than half its canopy, no. Treatment protects living tissue — it can’t regrow what’s dead.
We’d rather talk you out of a $300 treatment that won’t work than take your money. Between 30% and 50% thinning is the gray zone, and we’ll give you our real read on-site.
Is EAB treatment safe for my kids, pets, and garden?
Yes. Trunk injection puts the product inside the tree — nothing sprayed, nothing in the soil, no drift onto your garden. There’s zero surface residue once it’s injected, making it the most targeted, lowest-exposure treatment method there is.
Will the city remove my dead ash for free?
Only if it’s on city property — typically the parkway strip between the sidewalk and the street. Peoria has been working through dead parkway ashes for years.
Anything in your yard is yours. Not sure where the line is? We’ll help you figure it out before you pay for something the city covers.
Should I plant another ash after removal?
No. Planting new ash in EAB territory means a lifetime subscription to injections. Far better options for Peoria’s zone 6a clay include swamp white oak, hackberry, and disease-resistant elms — see our tree planting service for species that thrive here without constant intervention.
How fast does EAB kill a tree once it arrives?
Usually 2–4 years from first infestation to death, though the tree can look fine for the first year or two. That’s the trap — by the time you notice thinning, you’re in year two or three. If your neighbors’ ashes are dying, assume yours is infested and get it assessed now.
Dealing with ash trees? Don’t guess — get a free assessment. We’ll tell you straight whether your ash is worth saving.
Peoria Tree Removal Co.
114 W Forrest Hill Ave, Peoria, IL 61604
(309) 250-8333 | https://treeremovalpeoriail.com/
Mon–Sat 8am–6pm · 24/7 emergency tree service
Peoria Tree Removal Co. — 114 W Forrest Hill Ave, Peoria, IL 61604 — (309) 250-8333