Your balcony railing is wasted space: 5 DIY ways to turn it into a vertical garden

Most balconies have one long, sun-drenched strip of unused real estate running right along the edge, the railing and yet it rarely gets treated as anything more than a place to dry clothes or lean against. For anyone short on floor space, that railing is actually prime growing territory, catching more direct sunlight through the day than the shadier corners further back on most balconies. With a little creativity and a few inexpensive materials, that same stretch of metal or concrete can turn into a genuinely lush vertical garden without eating into your already limited floor area. Here are five DIY ways to put it to proper us