growing on a moutain side this summer in KY,NEED SOME POINTERS.

IM GOING TO BE GROWING ON THE SIDE OF A MOUNTAIN THIS SUMMER WITH A PRETTY STEEP SLOPE AND ANY ADVICE WOULD BE APPRECIATED.LIKE IF I SHOULD WATER ABOVE THE PLANT SO THAT IT RUNS DOWN TO IT OR SHOLD I JUST WATER THE PLANT DIRECTLY UNDERNEATH.I HAVE NEVER GROWN ON SLOPES BEFORE.THE SOIL SEEMS DECENT TO PLANT TRANSFER THEM DIRECTLY INTO THE GROUND.ANY POINTERS WOULD BE GREATLY APPRECIATED.