Can a Robot Mower Make a Bad Lawn Look Good?
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My lawn has crabgrass, weeds, and thin spots. All summer, though, my robotic mower made it look great. Daily mowing and straight stripes made a rough lawn look clean and even.
How a robot mower makes a bad lawn look good
A robot mower doesn’t fix a bad lawn. It makes the lawn look much better than it is, for three reasons.
- It mows every day. The grass stays at one height, so there are no shaggy weeks between cuts. Weeds rarely get the chance to stand taller than the turf. (Here’s why that matters more than it sounds.)
- It mows in straight lines. Modern robot mowers lay down even, consistent stripes. Your eye reads that pattern as a healthy lawn, even when the grass underneath isn’t. (How to stripe with a robot.)
- It mulches tiny clippings back in. The micro-clippings break down fast and feed the soil a small amount of nitrogen every day.
The result is a lawn that looks tidy and uniform with almost no effort.
What the stripes were hiding
Walk the lawn instead of looking at it from the porch and the story changes. Under the stripes, my crabgrass and thin spots were still there. The robot was keeping them short and even, which is the whole trick: a weed cut to the same height as the grass blends in.
So this fall I stopped hiding the problem. I pulled the crabgrass, and I’m renovating the lawn with tall fescue. The video above shows the whole job, and I’m writing each part up on its own, one a week:
- Fall lawn renovation in 6 steps (October 13): scalp, clear, dethatch, aerate, seed, topdress, and where the robot helps.
- Why fall is the best time to overseed tall fescue (October 20): the timing, and why I picked fescue.
- Overseeding with a robot mower: the no-mow zone (October 27): keeping the robot off new seed, and the first cut.
- Do robot mower clippings fertilize your lawn? (November 3): the free nitrogen, and its limits.
The takeaway
A robot mower can make almost any lawn look good with very little effort. With some extra work in the fall, it can also help you build a lawn that’s actually healthy underneath.
I’ll post a spring update showing how the tall fescue filled in.
Ready to try a robot mower on your own lawn? Map your yard free at ZippyLawnz.us and we’ll recommend the right mower for your property. Zippy Lawnz is an authorized dealer and service center for Segway Navimow, Mammotion, and Yarbo, serving PA, MD, DE, VA, and CO.
Questions? Email [email protected] or call 410-725-7500.
Frequently asked
Can a robot mower fix a bad lawn?
Not by itself. Daily mowing at one height, straight stripes and micro-clippings make a weedy, thin lawn look tidy and even, and daily cutting stops weeds that flower above the cut from reseeding. But thin spots and crabgrass are still under the stripes. Fixing them takes a fall renovation: scalp, clear the clippings, dethatch, core aerate, overseed and topdress.
Why does a lawn look better with a robot mower?
Three reasons. It mows every day, so the grass never gets shaggy between cuts and weeds rarely stand taller than the turf. It mows in straight lines, and the eye reads even stripes as a healthy lawn. And it returns tiny clippings that feed the soil a little nitrogen every day.
Keep reading
Tips & MaintenanceDaily Mowing Kills Weeds: How a Robot Mower Changes Weed ControlWeeds that seed above the cut can't reseed under a daily cut, broadleaf weeds lose to thriving grass, and a crabgrass patch dies in a zone cut under an inch daily.
Lawn careCrabgrass: Why It's Back Every Summer, and the Date That Beats ItCrabgrass dies at frost and comes back from seed. The pre-emergent date (forsythia bloom, 55°F soil), the seeding conflict, and the thick lawn that ends it.
Lawn careWhat Kind of Weed Is This, and How Do I Get Rid of It?Tell a broadleaf weed from a grassy one in ten seconds, what each says about your lawn, the fix that holds, and why a robot's daily cut is half of weed control.Explore the system
The mowers and pages behind this topic — see them sized to your yard.