Garlic is one of the easiest root vegetables to grow. How to grow garlic? Simple, all it needs is some sun and a good start plant your garlic bulbs in October - Jan. I prefer to start mine in pots and plant out once they start to grow a few cm tall. Growing your own garlic will reward you with big juicy bulbs. Just don’t be tempted to grow from supermarket cloves – results will be disappointing at best.