Different kinds of fertilisers line the shelves at the new iGrow Superstore in Oakland, California. iGrow, a 15,000 square foot superstore for hydroponic and medical marijuana growing supplies, is opening its doors today. The one-stop shopping centre is the largest in the San Francisco area and will offer medical cannabis cards, materials for medical marijuna patients to build their own grow rooms at home as well as a "Grow Squad" that can be hired to consult and build your garden for you

Credit : GETTY