Although 15cm is typically considered a reasonable height for a raised bed, you might prefer to build out of a slightly wider plank, which will give you a bit more depth of soil. Strong corners helped ...

Using raised beds allows you to fill your gardens with ... to make her new beds — four wood landscape stakes, four cedar ...

If you have a large raised bed, you might want to line the bottom with large stones, plastic bottles, or straw so the water drains and doesn't pool or make the soil soggy—plan for drainage holes ...