Build a keyhole garden: Compost and reclaimed water go into the basket, keeping surrounding vegetables fed and watered. The horticultural staff of the Jacksonville Zoo and Gardens made this one with reclaimed concrete (urbanite)
Many people, from gardeners to farmers to environmentalists, choose to compost for a variety of reasons.Composting is easy, and it has many benefits for the environment and your own backyard. Here's how to start! via SparkPeople
Check out this super simple vertical garden! It uses just a few resources & is easy to make/maintain! Uses gravel in central cylinder instead of compost to facilitate watering. Compost may compact over time.