Galvanized sheet metal raised bed
the garden path, one could use old railroad ties :) @Kelly Borchers
landscaping ideas for slopes
Hill gardening is possible
sloped landscape design ideas-designrulz (18)
A deck sorts out the problem of slopes in the garden. No expensive groundworks and levelling - just build a deck like this one.
deck sobre terreno em aclive - Deck built onto sloped yard, railings:
Roomy bench fitted into a hillside nook.