I am sorry for this delayed reply to your gardening question. We are transitioning to a new Q&A system and your question was unfortunately lost in the transition. I have discovered it now and hope this reply is not too late to be of help.
Some hedge plants for your garden area would include Natal Plum, 'Bright N Tight' Carolina Cherry Laurel, and Japanese Aucuba, but all would require pruning to keep them from getting wider than you might want.
It is difficult to answer such a broad based question in a brief reply. If you could ask several more specific questions we could better provide assistance.
Thanks for the question. Please stop in again soon!
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