For example, if you can walk without assistive devices, grass or wood chips make a suitable garden path. These same materials would be too soft if you use a manual wheelchair. General Access Getting to, from and around garden areas is the first step to consider. Use a textural change as an edge guide for the blind and visually impaired gardener rather than a raised edge that would create a tripping hazard. A wind chime or audible water device may also be useful to mark entrances, exits, seating, etc.
Levers are a much better bet than round knobs.
Paving Materials Paving materials vary in quality and cost but provide all important access to the garden. If ambulatory, these will work but too soft for wheelchair and scooter users. The resilient quality cushions falls. When properly installed and compacted, an economical alternative. Tends to track around when wet.