Just some thoughts as I read your comments. First, if Leo is your sun sign then it may not be as helpful as knowing your rising or ascending sign. That would be the sign that is rising over the horizon at the exact hour and minute if your birth. There are several astrological websites that will create a natal chart for you (for free) if you have your birth time info. The chart will show your rising sign. See if that feels like a better match.
Second, growing herbs. I would start with those that are also kitchen herbs: sage, rosemary, thyme, oregano, mints, parsley, garlic. They are easy to find as small plants at garden centers or big box stores or farmers markets. They are not expensive and are easy to grow and all of them have medicinal qualities as well as seasoning uses. Deer have never been interested in them and most are perennials. I am not a great gardener, but herbs are really not very demanding. Of course those that originate in other countries like China or India are going to be pricier and harder to find and if from a very different climate than yours, harder to grow. For those I go to Strictly Medicinal Seeds and Plants (online). Hope some of this is helpful.
Nance