Posted: 30/08/2016 at 12:54
Make them large, Hosta is right re the growing over and some ground cover are more easily moved than others. Also, consider height of surrounding plants, you've got to be able to aim your foot in there between sometimes wet, drippy and leaning over plants.
I've put the odd slab into bits of garden to aid weeding, so's not to stand on other things. It didn't work though, most of the time I couldn't find the slabs for plants.