Unless farmers near you devote lots of time & acreage to corn, then avoid it as deer feed. If it's not something they'd commonly find, the corn will screw up their digestive tract and could lead to /critical/ dehydration. In northeastern winters, whitetail deer usually survive on plants that can handle the cold & snowy weather. This includes the kind of 'woody' bushes and vines that take serious chewing (blackberry, briar, honeysuckle), plus sapling trees, and any nuts (acorns) they can find. If you have that kind of plant material handy, great. If not, I'd suggest looking into commercial feed products.
I read somewhere recently that corn is not good for them. But oats are good, also apples, grapes, berries and carrots. And I was told suet (for birds) is good because it has grain and fat.
Human food can often be detrimental to wildlife. Corn is not likely to be harmful; however, it provides negligible nutritional value.
Sure if you don't mind them coming back and eating all your plants and shrubs at a later date
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