Why I Prefer Raised Garden Beds

Reader Contribution by Liz Beavis and Eight Acres Farm
Published on May 5, 2020
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In the past I have always had a vegetable garden “in the ground”. A couple of times we have just dug up lawn and made garden beds right there by adding cow manure and minerals. But in my latest garden I decided to try raised garden beds and I definitely prefer them to in-ground beds. Here’s why I prefer raised garden beds.

Better drainage and potential to hold moisture

My raised garden beds are made from roofing iron. I bought four raised garden beds from the local tank maker. They are about 3 ft (1 m) wide, 6 ft (2 m) long and 3 ft (1 m) high. I filled them in layers. Firstly using about a foot of our local clay sub-soil to seal the base. Then a layer of wood chip, saw dust and logs of different sizes. The aim of this layer was to mimic a concept called “hugelkultur” which uses buried wood to hold moisture in the garden.

I added polypipe with holes drilled on top of this layer, to use a concept called “wicking beds” which is based on watering into the root section rather than the top of soil. Wicking beds are usually lined with plastic, but I didn’t want plastic in my garden, so I used the clay layer to sort of seal the bottom of the garden bed and the wood layer to absorb the water.

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