Gardening Upwards - Vertical Gardening - Save Space and Gain Space - Planting Raised Beds, Craters, and Barrels - Each Project with Step-by-Step Illustrations. Gardening upwards offers many advantages: the space requirement is minimal, previously unused garden corners or shed walls can be greened, and maintenance and harvesting are easier. A classic among vertical bed ideas is certainly the raised bed. This book, for example, shows how to build a side-planted raised bed. One section is dedicated to the opposite: gardening downwards, such as in round crater beds. This is another way to gain space. Other vertical gardening ideas include decorative pot pyramids, table and box gardens, impressive planted hay columns, or even a strawberry barrel. Many practical tips are provided, such as using the nutrient-rich wonder soil "Terra Preta.".