Professional kitchens use high quality herbs and vegetables not readily available on the open market.
But there is no reason why you can’t grow these at home, follow the links to find out what to grow & why:
Herbs
Basil, Coriander, Thyme, etc
Fruit & Vegetables
Garlic, Tomatoes, Peppers,etc.
Regional recipe ingredients
What to grow for regional specialities
More information