Vertical gardening has become popular for those living in urban or limited space areas, where growing up is the best solution.Also known as green walls or living walls, vertical gardens can be placed in or outside of the home, with as little as 4-square-foot of space, you can efficiently grow vegetables, herbs, fruits or flowers.In "Vertical Gardening: What You Need to Know to Grow Organic Vegetables and Fruits for Your Family" we share tips and strategies...