When is the best time to buy a robot lawn mower? Usually the late-summer to winter off-season, when retailers clear prior-year models. LawnStarter gives September through February as the cheapest window, while a robot-mower seller places the best bargains in August through October. Early spring offers the widest choice, and buying then gives you a full season of use, but the discounts are usually smaller.
The short answer
- Deepest discounts: the off-season, roughly September through February, with the steepest markdowns often in January and February (LawnStarter).
- Widest selection: early spring, March and April, when new lineups launch (LawnStarter).
- Robot mowers specifically: the sources we read give no fixed month. Offers cluster around major online sales and new-model launches.
- Warranty clock: on most mowers the warranty starts on the purchase date, so a fall purchase stored until spring uses up part of it.
Why timing matters more for robot mowers
Timing matters because a robot mower costs far more than a push mower, so a few months of waiting can change the price by a large amount. A seller’s buying guide puts entry-level models at $600 to $1,000, midrange at $1,000 to $2,500, and high-end units at $2,500 and up, as of 2026-11-10. Those price bands come from a seller, so treat them as a rough guide and check current listings before you buy. Our robot lawn mower cost guide goes through what drives the price.
The purchase date also matters. Most mower warranties begin on the day you buy, not the day you first run the mower (LawnStarter). If you buy in November and do not run the mower until April, you have already spent part of the coverage on storage.
The off-season window: when is the best time to buy a robot lawn mower
The off-season is the window most sources point to for lower prices. Our reading: retailers want to clear stock before new models arrive, so prior-year units get marked down.
| Window | What the sources say | Trade-off |
|---|---|---|
| Late summer to fall (Aug to Oct) | A seller guide calls it “arguably the best window for bargain hunters” | Our reading: older stock may be marked down, but choice can narrow later |
| Off-season (Sept to Feb) | LawnStarter calls it the cheapest buying window | You may wait months before first use |
| January and February | Deepest discounts likely (LawnStarter); lawn demand is lowest and selection often thin (seller guide) | Fewer models to choose from; you cannot use the mower until spring |
The sources disagree on where the cheapest period starts. LawnStarter starts it in September, while the seller guide starts the strongest bargains in August. Both agree that winter clearance beats peak-season prices, so the safest reading is that late fall and winter are the most reliable low-price periods.
Heads up
Most of the timing advice comes from brands that sell robot mowers. Use it to plan when to watch for deals, not as proof that a specific model will drop by a specific amount.
Early spring: wider choice, smaller discounts
When is the best time to buy a robot lawn mower if you want the widest choice? Early spring is the best window for the full range of current models and do not mind paying closer to full price. LawnStarter describes March and April as the period with the widest selection and smaller discounts, because manufacturers release new models then.
Launch timing also gives a useful tactic. The seller guide advises waiting a few weeks after a launch, when dealers begin to mark down older stock, rather than buying on day one. Our reading: buying on launch day usually means paying for the newest features at full price, which is a fair trade only if those features matter to you.
Sale events: where they fit
Major sales events add a second layer on top of the seasonal pattern. A seller guide names Prime Day in July, Memorial Day in late May, and Black Friday and Cyber Monday in November. LawnStarter says the best robot mower offers come during major online sales and new-model launches. For help judging whether a discount is real, read how to spot a real robot mower deal.
This guide is about the purchase decision, not a full calendar of deals. If the question is which exact sale to wait for, use the event dates above as a checkpoint and compare the current price with the lowest price you have seen for the same model.
Warranty and storage if you buy in fall
If you buy in fall or winter, plan the storage before you unbox the mower. Husqvarna’s winter guide tells owners to fully charge the mower and switch it off before storage, and to store it where the temperature stays above 0°C (32°F). See our guide to robot mower winter storage for the full routine. It also advises storing the mower upright on its wheels on a flat surface or on a wall hanger.
- Before storage: Husqvarna advises installing new blades.
- Grass height: leave the grass slightly longer, 6 to 8 cm (2.4 to 3.1 inches), before winter.
- Wire-free models: keep the power supply connected if you leave the reference station outdoors.
- Warranty: record the purchase date and the warranty length, since the clock starts at purchase. Our robot mower warranty guide explains what to look for.
Check the guide for your own model, because the steps differ for wire-free and wire-based setups.
A timing checklist before you buy
Use the steps below to decide when to buy. These steps are our reading of the sources on when is the best time to buy a robot lawn mower, not a fixed rule.
- Check when you will first mow. If you need the mower in spring, a fall purchase with good storage can save money; if you do not, a spring purchase avoids the warranty and storage gap.
- Compare with the prior-year model. Launches often lower the price of the model before it. Check whether the older model still meets your lawn size and slope needs.
- Confirm the warranty start date. Ask the seller whether the coverage begins on the purchase date.
- Check stock and returns. Winter selection can be thin, so confirm the model and the return window before you pay.
- Set a price target. Pick the lowest price you are willing to pay, and buy when a listing reaches it, rather than waiting for a single day.
Frequently asked questions
When is the best time to buy a robot lawn mower if I shop in November?
It can be. Black Friday and Cyber Monday are national sales events in November, according to a seller guide, Check the current price against the lowest price you have seen for the same model, because holiday sales do not always beat off-season clearance.
Is it better to buy a robot mower in spring or winter?
Winter is usually cheaper and spring has the widest selection. Spring gives you a full mowing season without storage, while winter gives deeper discounts but a longer wait before first use. Compare the price gap with the time you will leave the mower in storage.
Does the warranty start when I buy the mower?
On most mowers, yes. LawnStarter says the manufacturer warranty usually begins on the purchase date rather than first use. The length varies by brand and model, so read the warranty terms before you buy.
Can I store a robot mower outside over winter?
It depends on the model. Husqvarna advises storing the mower where the temperature stays above 0°C (32°F), and says a wire-free setup left outdoors should keep its power supply connected. Check your manual for your model.
Sources
- LawnStarter, When is the Best Time to Buy a Lawn Mower? (publisher, updated 2026-10-23): off-season timing, spring selection, warranty start date, Labor Day discount figure.
- Mammotion, Best Time to Buy a Robot Lawn Mower (seller guide, read as a seller source): August to October window, sale events, price bands, launch timing.
- Husqvarna, Complete winter storage guide for Automower (manufacturer): charging, storage temperature, grass height, blades, wire and power connections.
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