The Gardena Sileno is a robotic lawn mower manufactured by Gardena, a subsidiary of the Husqvarna group. The range includes several models (Sileno City, Sileno Life, Sileno Minimo, Smart Sileno Free) that cover areas from small urban gardens to larger terrains. The choice of the right model depends less on the name “Sileno” than on the actual area to be mowed and the type of boundary desired.
Peripheral cable or virtual boundary: what really changes at the time of purchase
The Sileno range is now divided into two distinct technical families. The classic models (Sileno City, Sileno Life, Sileno Minimo) operate with a buried or ground-fixed peripheral cable. This wire guides the robot and defines the mowing area. Its installation takes several hours depending on the complexity of the terrain.
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The Smart Sileno Free 600, a recent model, relies on a virtual boundary based on GNSS/RTK. No need to lay a cable. The mowing area is configured from the Gardena Smart System app. This technology simplifies commissioning, but it requires good satellite reception.
For those who want to delve deeper into the subject, a review of the Gardena Sileno robotic lawn mower details the differences between these two approaches over several weeks of use. The choice between cable and wireless remains the primary decision criterion even before comparing prices.
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Gardena Sileno City and Sileno Life: which model for which garden area
Confusion between the Sileno models is common. The Sileno City targets small urban spaces. The Sileno City 250 remains a benchmark for compact gardens, where an oversized model would be unnecessary and more expensive.
The Sileno Life steps up for larger areas. The Sileno Life 1000, for example, covers significantly larger terrains. It incorporates Lona technology, an intelligent navigation system that maps the garden to optimize paths and avoid already mowed areas.
Criteria for choosing between City and Life
- The actual lawn area to maintain, excluding flower beds, terraces, and paths that reduce the effective mowing area
- The presence of slopes, knowing that cable models manage moderate inclines well but that the Smart Sileno Free 600 is limited to a 30% slope
- The need for connectivity: “Smart” versions are controlled via the Gardena Smart System app and integrate into a home automation ecosystem, while standard versions are programmed directly on the robot
A Sileno City purchased for a terrain that is too large will not be satisfactory. A Sileno Life bought for a small garden of a few dozen square meters will be a disproportionate investment. The right Sileno depends on the size of the garden, not the budget.
Gardena Sileno against wireless competition: the case of Segway Navimow
The Smart Sileno Free 600 enters a market where other brands have been offering wireless robots for several years. The comparison with the Segway Navimow reveals the technical gaps that persist.
The Navimow X450, announced in 2025, boasts significantly superior crossing capabilities. It handles slopes up to 84% and overcomes obstacles of 7 cm, whereas the Sileno Free is capped at a 30% slope. For a flat or slightly hilly garden, this difference is insignificant. For a rugged terrain, it becomes a dealbreaker.
The detailed test of the Sileno Free by Galaxus (June 2025) also points out software issues and satellite reception problems during the first weeks of use. The tester encountered difficulties with edge management and the accuracy of the virtual boundary. Gardena, when questioned about these issues, acknowledged that updates were in progress.
What Gardena does better than others
The noise level remains a historical advantage of the Sileno range. Gardena robots are among the quietest on the market. The Sileno City 500, for example, can mow at night without disturbing the neighborhood, a concrete argument for dense residential areas.
The other strong point lies in its Husqvarna lineage. The blades, the mulching cutting system, and the overall mechanics benefit from proven expertise. The quality of cut on short and even grass is the true playground of the Sileno.
Gardena Smart System app: control and concrete limits
The Smart versions of the Sileno range connect via the Gardena Smart System. The app allows you to schedule mowing times, adjust the cutting height, and monitor the battery status remotely.
The home automation integration works with third-party gateways. The Sileno Life 1000 tested by Nord Domotique integrated without major difficulties into an existing connected environment. The charging station communicates with the robot and the app to manage cycles automatically.
The limits lie elsewhere. The app sometimes lacks responsiveness, and user feedback on dedicated Facebook groups for the Gardena Sileno reports recurring bugs after certain updates. Software reliability remains the weak point of the range, especially on cable-free models where the accuracy of satellite positioning directly depends on the onboard software.
Should you buy the Gardena Sileno in 2026
The Sileno range remains a safe bet for flat or gently sloping gardens, with a mowing quality inherited from Husqvarna and one of the lowest noise levels on the market. The cable models (City, Life, Minimo) are mature and mechanically reliable.
The Smart Sileno Free deserves to wait for a few software updates before a confident purchase. Field reports show that Gardena’s wireless technology has not yet matched the robustness of competitors like Segway. For a small urban garden, the Sileno City with a peripheral cable remains the most rational choice. For a sloped or complex terrain, it is better to compare with already proven wireless alternatives.