Here are some resources for teaching health and safety in the garden to students with a learning disability.
A garden safety picture from the ScoutsHealth and safety signs in outdoor occupations Entry 3
( starts at page 43) PDF
Dangers in the garden online activity from Staywise
Garden safety picture and other resources from Home Safety Game
Electrical safety in the garden on Switched on Kids
Bsquared have a range of garden based resources including health and safety which can be purchased on CD