The premise of Deer Scram was that it smelled (to the deer, not to humans) like a dead deer so they wouldn't go near it. So I bought a huge container and used it to no avail. My friend, a mile away, lived next to the woods where deer roamed and the dead deer, 10' from her property line, never stopped them.
One person said to put down metal pipes where the deer enter. I had visions of broken legs or arms and refrained.
Instead in 2013 I had one garden done by pro'd with deer fencing and metal poles: so far it's working - no problems at all.
Then, last year, I enclosed all of the gardens closest to the house with 4' deer fencing, backed up by rebar and trellises with more trellises used as entry/exit points. People laughed but they still haven't leaped over or knocked it down.
