Suitable replacements and alternatives for lemon balm include fresh or dried mint with a squeeze of lemon juice or zest, Lime zest goes well with lemon verbena, Lemongrass also works well. Using kaffir lime leaves gives a good alternative to lemon balm and lemon thyme is a nice addition to a dish.
Parsley is a useful biennial that will grow outdoors in colder climates and basil being a tender annual. Both can be used in cooking with slightly different taste profiles and history of culinary uses. Nutritionally both of these herbs are loaded with vitamins and minerals as well.
Both mint and lemon balm will grow easily in most gardens and tend towards invasive as they are perennials that will set out runners. From the Lamiaceae they vary in that mint has over 40 different varieties while there is only one Lemon Balm, easy to use in cooking as replacements for each other.
Both basil and bay leaves are essential to many Mediterranean dishes and can grow with a little care quite happily in the UK and colder climates.
Flavoring meat can all be down to personal preference, however matching the strength of flavor in beef is key to a tasty dish.
Pork can be a fatty meat and herbs that help to cut through this work well. Sage, Thyme, Rosemary, Savory, Caraway Seeds, Mustard Seeds, Fennel, Cloves, Garlic and Parsley all work well in this role. Whether used in marinades, rubs, butters or pour over sauces.