One easy way to start gardening is to set up a pallet collar on your balcony or in your garden. Some vegetables, herbs and flowers need only a single pallet collar and others require two pallet collars depending on how deep the soil needs to be and whether the vegetables are growing above or below ground.
Find everything you need for pallet collar cultivation here. You can grow your plants vertically with the help of plant support. There are also handy nets suitable for pallet collars that you can pull on, and even nets suitable for pallet collars hoops if the net needs to extend upwards.