Raised Garden Bed Depth
In this case, your first consideration should be the type of materials available and how quickly and easily they go together.
Raised garden bed depth. This is the easier raised garden. The depth you choose depends on the crops you plan to plant. This raised garden bed allows you to do just that.
Once the plants get growing, their roots will grow down into the natural soil beneath the raised bed. How deep to fill a raised bed. You can mix the soil in with the compost thoroughly, or layer them, which is known as lasagna gardening.
A raised bed garden is a garden built on top of your native soil, sometimes incorporating native soil, sometimes not. Even more so, it is also portable. I am planning on building a raised bed vegetable garden this weekend and was wondering what the best depth would be?
A good tip is to always err on the side of more soil, not less. The most common depth of raised beds is 11 inches (28 cm.) because this is the height of two 2×6 inch boards, which is commonly used to frame raised beds. If you have poor soil or toxic plants in your yard, a bed that's 12 to 18 inches deep gives roots more space.
Generally, they should be eight to 12 inches deep. Building a raised bed deep enough for a viable vegetable garden can present some challenges. The depth of a scaffold board is fine for growing veg, but more depth is needed for shrubs, perennials and bulbs.
If you decide you want it somewhere else from year to year you just have to move it. How deep should a raised bed garden be? Either one can be very effective, but lasagna gardening can sometimes be cheaper and easier if you have a tall raised garden.