We don't maintain a lot of lawn. In general, a lawn seems like a lot of unnecessary work. However, we do like to have short grass in a couple of areas. Near the picnic table, for example, we keep the grass mowed to reduce the mosquito population. For this, I use my Lee Valley push mower. Our living mowers keep the grass on the rest of the property at a reasonable height.
Around the garden, inside the fence that keeps the living lawn mowers out, it's nice to be able to walk around easily. Also, the garden vegetables seem menaced, as well as shaded, by six-foot high grass and weeds beside them. To cut this, I need my favourite lawn mower of all: