Best Lawn Mower for Cutting Around Trees: 5 Picks That Protect Your Yard

Every weekend, the same dance. You wrestle a bulky mower up to a tree, clip a few blades of grass, then have to back out and approach from another angle. The trimmer gets the rest, but the constant bumping against bark and scraping over roots leaves ugly marks on both the tree and your equipment. It’s frustrating, especially when you know a cleaner cut is possible.

The problem is most standard mowers are built for wide-open spaces, not obstacle courses. The right machine for a tree-rich lawn balances a narrower deck with a lighter frame and smart wheel placement. You need something that glides over roots without scalping the turf, turns on a dime, and doesn’t feel like a workout every time you circle a trunk. Battery power matters too, since you’ll be stopping and starting constantly.

I spent time comparing five cordless and corded models that handle tight landscaping well. Each one solves the tree problem differently, so the best pick depends on your yard size and how many obstacles you’re navigating. Below, I break down what works, what doesn’t, and which mower deserves a spot in your shed.

Here’s how the top contenders stack up on paper before we get into the details.

Features	Casince 17-Inch	LawnMaster 15-Inch	Greenworks 40V	Greenworks Brushless	Wild Badger 18-Inch
Deck Width	17 inches	14 inches	16 inches	16 inches	18 inches
Power Source	Two 20V batteries	Corded electric	40V battery	40V battery	40V battery
Motor Type	Brushless	Standard	Not specified	Brushless	Brushless
Cutting Heights	6 positions	5 positions	5 positions	5 positions	5 positions
Best For	Balanced maneuverability	Tightest spaces	Lightest feel	Extended life	Fewer passes

Casince 17-Inch Cordless

This mower sits in a sweet spot for yards with a mix of open grass and scattered trees. The 17-inch deck is narrow enough to slip between tight groupings, yet wide enough that you aren’t making endless passes across the open areas. It suits homeowners with small to medium lawns who want one machine that does both jobs without constant readjustment.

The dual battery setup is the standout feature here. Two 20V 4.0Ah batteries push runtime to about 40 minutes, which covers roughly 5,380 square feet. That’s enough for a typical suburban lot with room to spare. The brushless motor spins at 3,000 RPM, so blade speed stays consistent even when you’re weaving through thicker grass near the base of trees. At 30 pounds, it’s manageable to lift over exposed roots or tilt back when you need to get closer to a trunk.

There are a few trade-offs worth noting. The grass bag holds 50 liters, which is generous, but the mower relies on that bag for collection; there’s no mulching option mentioned. You’ll also need to keep the inlet clear, as wet clippings can clog if you’re bagging heavy fall leaves around tree bases. The one-button start is genuinely convenient, though the pull-bar safety mechanism takes a moment to get used to.

• Six height settings range from 1 to 3 inches for seasonal adjustments
• Dual 20V 4.0Ah batteries provide up to 40 minutes of runtime
• 50L collection bag reduces trips to the compost pile
• Brushless motor delivers up to 1200W max output
• Weighs roughly 31 pounds for easy lifting over roots

Best for: Homeowners with small to medium lawns who want cordless freedom without sacrificing runtime.

LawnMaster MEB1114K Corded

If the Casince felt like overkill for your needs, this LawnMaster is the opposite. With a 14-inch cutting width, it’s the narrowest option here, making it the clear winner for yards packed with trees, flower beds, and tight corners. The compact deck lets you pivot around trunks with minimal backtracking. It’s built for precision work on smaller properties where a wide mower simply won’t fit.

The corded design delivers consistent 11-amp power at 3,300 RPM, which actually spins faster than some battery models. You never worry about a dying battery mid-yard, and the lack of a heavy battery pack keeps the frame light. The 7.75-inch rear wheels deserve special mention; they roll smoothly over minor root bumps that would stall smaller-wheeled mowers. That larger rear wheel diameter helps maintain momentum when you’re pulling back from a tight spot around a tree.

But the cord is the catch. Around trees, you’ll constantly manage the cable to avoid dragging it over shrubs or catching it on branches. The 7-gallon bag is smaller than others, so expect more frequent emptying if your grass is thick. It’s also loud compared to battery models, so ear protection is a good idea. If you have a cordless trimmer already, this adds a different tool to manage.

• 11-amp motor spins the blade at 3,300 RPM
• 14-inch deck is the narrowest for tight obstacle navigation
• Five cutting positions range from 1.4 to 3 inches
• 7.75-inch rear wheels handle uneven root terrain
• 7-gallon collection bag keeps clippings contained

Best for: Budget-focused buyers with small, tree-dense yards who don’t mind managing a power cord.

Greenworks 40V 16-Inch

This Greenworks model is the lightweight champion of the group. The deck is 35% lighter than steel alternatives, which makes a real difference when you’re constantly lifting the front end to clear roots or pivoting on the rear wheels. It’s a solid pick for anyone with a third to half an acre who finds heavier mowers exhausting to push through obstacle-heavy sections.

What stands out here is the simplicity. A single lever adjusts all five heights at once, so you can quickly raise the deck when you approach a tree ring with exposed roots, then lower it back down for the open lawn. The 2-in-1 system lets you switch between mulching and rear bagging. For tree bases, mulching is often the better choice; it returns nutrients to the soil and eliminates the need to haul clippings away from tight spots.

The trade-off is runtime. The included 4.0Ah battery handles about a third of an acre per charge under ideal conditions, but stop-and-go mowing around trees drains it faster. If your yard is closer to half an acre, you might need a second battery to finish in one session. The standard motor isn’t brushless either, so it won’t last as long as higher-end models, though the 3-year warranty offers some peace of mind.

• Ultra-lightweight design reduces fatigue during extended use
• Single lever adjusts all five cutting positions quickly
• Mulch and rear bagging options handle different leaf conditions
• Compatible with 75+ Greenworks 40V tools
• 3-year limited warranty on tool and battery

Best for: Buyers who prioritize an easy push and want a versatile mower that shares batteries with their other yard tools.

Greenworks 40V Brushless

Don’t let the similar name fool you; this Greenworks model addresses the biggest weakness of the previous pick. The brushless motor provides more torque and a longer operational life, which matters when you’re pushing through thicker grass that accumulates near tree lines. It’s built for the same small to medium yards but feels more capable when conditions get tough.

The cutting height range is slightly wider here, from 1.25 inches up to 3.38 inches. That extra upper range helps during hot, dry spells when you want to leave grass longer to protect the roots, especially under trees where shade already stresses the turf. The push-button start is genuinely instant, and the lightweight deck means you can maneuver it with one hand while guiding the front around a trunk with the other.

Runtime drops to about 30 minutes on a full charge, and the battery takes two hours to recharge. That’s a real limitation for larger properties. If you’re mowing a half-acre with scattered trees, plan for a break or invest in a spare battery. The lack of a side discharge option means you’re limited to mulching or bagging, which is fine for most but worth knowing if you prefer to discharge clippings onto open ground.

• Brushless motor delivers more torque and quieter operation
• Cutting heights from 1.25 to 3.38 inches
• Battery charges fully in about 120 minutes
• 2-in-1 design supports mulching and rear bagging
• Push-button start for instant ignition

Best for: Owners who want a durable, low-maintenance motor and need a wider height range for seasonal grass management.

Wild Badger Power 40V 18-Inch

This Wild Badger model takes the opposite approach to the LawnMaster. Instead of a narrow deck, it uses an 18-inch cutting width to reduce total mowing time while still claiming the maneuverability to turn around beds and trees. It’s a compromise that works best for small to medium lawns where trees are spaced apart enough to allow a wider pass.

The brushless motor reaches 3,400 RPM, the highest speed in this group. That extra blade speed translates to cleaner cuts on established grass, which is often tougher near tree canopies where roots compete with turf for water. The real flexibility comes from three clipping modes: bagging, mulching, or rear discharge. That rear discharge option is rare in cordless mowers and useful when you want to blow clippings away from a tree base without stopping to empty a bag.

The included 11-gallon bag is the largest here, so you’ll empty it less often. But the wider deck means you’ll have a harder time squeezing between closely planted trees. If your landscaping features tight clusters, this might feel bulky. Runtime also varies significantly with grass condition, so wet or thick grass near trees will drain the 4.0Ah battery faster than the open lawn.

• 18-inch deck covers more ground per pass
• Brushless motor spins up to 3,400 RPM
• Three modes: bag, mulch, or rear discharge
• 11-gallon collection bag minimizes stops
• Single 40V 4.0Ah battery and fast charger included

Best for: Those with open, tree-spaced lawns who want to finish faster without giving up the ability to navigate obstacles.

How We Chose These Products

I focused on deck width first. Narrower decks navigate tree rings and tight clusters better, but too narrow means excessive passes. The range here, from 14 to 18 inches, covers the practical spectrum for residential yards. I also weighed portability heavily, since lifting a mower over exposed roots is a common task in tree-rich landscapes.

Motor type and power delivery mattered next. Brushless motors offer better torque and longevity, which is why several picks feature them. Battery systems were evaluated for real-world runtime, not just marketing claims. Stop-and-go mowing around obstacles drains batteries faster than straight lines, so I favored models with dual batteries or higher capacity. Corded options were included for buyers who prioritize consistent power over convenience.

Buying Guide: What Really Matters

Deck size is the first decision. For yards with many trees, a 14 to 16-inch deck gives you the agility to circle trunks without scalping the grass. If your trees are spread out with open lawn between them, an 18-inch deck saves time without causing major issues. Measure the gaps between your trees before buying; that number tells you the maximum deck width you can handle.

Weight and wheel size determine how well a mower handles root-heavy terrain. Look for larger rear wheels, around 7 inches or more, to roll over minor bumps. A lighter machine is easier to tilt back when you need to lift the front deck over a thick root. But don’t sacrifice build quality for weight; a flimsy deck will flex and give uneven cuts.

Consider your leaf cleanup strategy. If you rake or blow leaves away from tree bases in autumn, a bagging mower keeps things tidy. If you prefer to leave clippings and shredded leaves as natural mulch, pick a model with a dedicated mulching mode. Some mowers offer both, giving you seasonal flexibility without buying extra attachments.

Our Top Recommendation

The Casince 17-Inch Cordless takes the top spot. It strikes the best balance between deck width and maneuverability, and the dual battery system solves the runtime anxiety that plagues most cordless mowers. The brushless motor adds reliability, while the 50L bag means fewer interruptions. It’s not the lightest option, but the 17-inch deck and 30-pound frame feel right for most yards with trees.

If you’re on a tight budget or have an exceptionally tree-dense yard, the LawnMaster corded model is a smart runner-up. Its 14-inch deck gets into spots others can’t, and the cord guarantees power. For those who want the lightest push possible and already own Greenworks tools, the standard Greenworks 40V is a worthy alternative. It won’t last as long per charge, but the single-lever height adjustment is genuinely handy for the frequent changes needed around tree roots.

Pro Tips: Mowing Techniques to Protect Tree Health

The ‘donut effect’ kills more trees than most homeowners realize. Grass growing right up to the trunk competes with the tree for water and nutrients, and repeated mower bumps damage the bark, opening the door to disease. Leave a ring of bare soil or mulch around the base, about two to three feet in diameter, and you’ll eliminate the need to mow dangerously close.

When you do mow near exposed roots, raise the deck to its highest setting. Scalping roots not only damages the tree but also chips your mower blade. Tilt the mower back slightly as you approach, then lower the front wheels onto the root and push over gently. It takes practice, but it beats replacing a blade or injuring the tree.

For autumn leaf cleanup around trees, switch to mulching mode if your mower has it. Shredded leaves decompose faster and return organic matter to the soil. Bagging is cleaner but removes those nutrients. A battery-powered mulching mower handles this job quietly without exhaust fumes near your trees.

Frequently Asked Questions

Will a mower damage exposed tree roots?

Yes, a spinning blade can gouge roots, especially if they’re raised above soil level. Repeated damage weakens the tree’s ability to absorb water. Always raise the deck height when approaching roots and consider widening the mulch ring around the tree to reduce exposure.

Is a narrower deck always better for trees?

Not necessarily. A 14-inch deck helps in tight clusters, but it takes longer to mow open areas. A 16 or 17-inch deck works well when trees are spaced a few feet apart. Measure the narrowest gap you need to navigate and choose a deck that fits with a few inches to spare.

Should I bag or mulch leaves around tree bases?

Mulching is usually better for tree health. Shredded leaves feed the soil and mimic natural forest floors. Bagging is preferable if you have heavy leaf drop that might smother the grass or if you’re dealing with diseased leaves that should be removed from the property.

How does front-wheel drive compare to rear-wheel for this task?

None of these mowers are self-propelled, so drive type isn’t a factor here. For self-propelled models, rear-wheel drive generally handles uneven terrain better because it pushes from behind. Front-wheel drive can pull the mower into obstacles when turning, which makes navigating around trunks trickier. For a push mower, weight distribution is what matters most.

The Bottom Line

Cutting around trees doesn’t require a specialized machine, just the right combination of deck width, weight, and power. The Casince 17-Inch offers the best all-around package for most homeowners. If your yard is packed with obstacles, the LawnMaster’s narrow deck is a proven fallback. For those who want a lighter push and don’t mind swapping batteries, the Greenworks models deliver solid performance. Whichever you pick, remember that protecting the tree is just as important as a clean cut. For larger properties with more open space, you might also want to check our guide to high-efficiency mowers to see if a wider deck suits your needs better.