Gardena Smart SILENO City 500 Review UK 2026
Quick verdict
Score: 7.5/10
Best for: Owners who want an always-neat lawn with almost no effort
Not for: Very large, complex or steeply sloped lawns beyond its rated area
Bottom line: A capable lawn mower (robotic mower) for a well-kept lawn.
The Gardena Smart SILENO is a robotic lawn mower designed for up to 500 m² of working area, making it a fit for small to medium lawns. It offers app adjustment and consistent mowing without constant supervision. This lawn mower includes SensorControl and supports slopes up to 35%, which suits mildly hilly gardens, and it comes with a UK plug version for UK setups. That said, the 500 m² capacity limits suitability for larger lawns.
Key specifications
| Feature | What it allows |
|---|---|
| 500m² area | Fewer mowing sessions |
| App adjustment | Easier setup |
| 35% slopes | Better hillside coverage |
Pros
- Robotic mower
- Hands-off, always-neat lawn
Cons
- Higher upfront cost; check the working area fits your lawn
- Match the cutting width and power to your lawn size
- May need a boundary wire unless it's a wire-free model
Mower Type and Power
As a robotic lawn mower, the Gardena is designed to cut grass automatically within a working area of up to 500 m², making it suitable for small to medium gardens that need regular mowing sessions. Power is handled by the mower's onboard system, rather than by a user-operated motor. The practical strength is area coverage: gardens larger than the stated limit may need zone splitting or more frequent sessions, since the maximum working area is 500 m². For sloped lawns, it supports gradients up to 35%, which improves suitability for hilly areas.
Cutting Width and Deck
Cutting performance on the lawn mower is linked to its mowing deck setup, because the deck determines how efficiently the robot can cover the lawn during each session. However, the available product details do not specify the cutting width, blade arrangement, or any height adjustment range for this model. A wider deck can help complete coverage rounds more quickly, although it can also be less precise near tight edges. Consistent results depend on the deck being properly aligned to the boundary wire, since effective coverage relies on steady, repeatable path spacing.
Lawn Size and Collection
For the Gardena, lawn size planning starts with its stated working area of up to 500 m². It suits lawns that fall within this limit, as an area larger than the stated working range may leave sections uncut or reduce coverage consistency. For collection, it helps to map the main mowing zones and any separate areas early, then align them with the mower's route planning. The mower supports slopes up to 35%, so inclines can be included, although narrow paths may still constrain guidance.
Ease of Use and Storage
Ease of Use and Storage is where the lawn mower typically becomes more noticeable once the lawn layout and up-to-500 m² coverage plan are in place, because installation and daily handling can affect how consistently it operates. Setup depends on the smart gateway and app configuration, so settings can be adjusted before routine use. The mower is supported for slopes of up to 35 percent, but boundaries still need to be kept clear, since obstacles can disrupt navigation. Storage is straightforward because it is designed as a compact robotic lawn mower, and placing it near a power source with protected edges can help reduce wear.
Who Is This Lawn Mower For?
Who is the Gardena Smart SILENO (19602-68) best suited for? It is designed for homeowners who want automated robot mowing for lawns up to 500m², where a robot mower can handle routine cutting. It suits gardens with uneven ground and supports slopes up to 35% using SensorControl. This model also suits buyers who want app-based control and adjustment via a smart gateway, particularly if LONA AI technology is part of their setup. It is less suitable for very small lawns, or for people who do not want app-based scheduling and monitoring.
Where to Buy in the UK
Finding a place to buy the Gardena city robot lawn mower 500 m² set in the UK is usually easiest when the seller lists the specific UK version (19602-68). Buyers can check major UK garden and home retailers, plus online marketplaces that allow version filtering. It helps to confirm the box includes the smart gateway and the UK plug, since these items affect setup. They should also verify compatibility for up to 500m² and note the limits for slopes up to 35%.
Frequently Asked Questions
Is the lawn mower worth it?
For keeping a lawn tidy with the least hassle, the Gardena (a robotic mower) does the job. Whether it suits you comes down to your lawn size, terrain and how much effort you want to put in. Check the current Amazon UK price, as mowers are often discounted in season.
What type of mower is the lawn mower?
This lawn mower is a robotic mower - it cuts the lawn automatically on a schedule, so you barely touch it. Robots suit owners who want a hands-off, always-neat lawn; check the working area it covers matches your garden, and whether it needs a boundary wire or is wire-free.
What lawn size does the Gardena cover?
The Gardena Smart SILENO is rated for up to 500m² working area. With robotic mowers it's important the working area comfortably exceeds your actual lawn, allowing for shape and slope. If your garden is close to the limit, size up to a model rated for a larger area.
Is the lawn mower easy to store?
Storage depends on the design - many electric and cordless mowers fold or stand upright to save space, while petrol and ride-on mowers need more room. This lawn mower is a typical example for its type; if space is tight, look for a compact-fold or upright-storage model like Flymo's EasiStore range.