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The use of a permanent raised beds is a great way to reduce work when you start your season. It reduces erosion and allows better drainage. It's usually used in combination with mulch. The raised bed can have a framework or not, depending on the needs.

• Without a frame, it's more likely to erode unless plants are installed on the side of the bed with mulch. This allows more cultivation space and more productivity.

• Framed beds are more stable but will entail substantial amount of labour and much expense, depending on the type of material chosen for construction.
  • Keyhole gardens are a circular version of a framed raised bed. The charity 'Send a Cow' is promoting the creation of these in Africa.