Steep incline? Overgrown grass? Lumps and bumps? We look at the obstacles that could pose a problem for the wrong lawnbot.

If yours is a real tall meadow, you might want to leave it alone so it gives habitat to wildlife during the winter. This will, for sure, include voles, but their damage is easily remediated.

Grasses and insects together. Partners – one person sways gently like tall meadow grass while the other person weaves in and out of the spaces like a busy, fluttering insect. Swap roles and repeat.

(The difference is too subtle for herbicides – patches of meadow-grass have to be cut out with a pocket knife.) Tusmore’s lawns, which cost £100,000 ($120,000) to install, ...