Raised Bed Gardens

Building raised bed gardens is a great way to improve the appearance and the productivity of your garden.

I've grown tomatoes in raised beds for years and believe me it's the best way to control the quality of the growing conditions for any garden plants. Not only can you control the soil mixture, but bottom barriers and top covers allow you to control other factors such as temperature and pests.

"Raised" means that the soil level in the bed is higher than the surrounding soil, and "bed" implies a size small enough to work without needing to step onto the soil. You should build raised beds so that they are no wider than you can reach from the side without stepping on the soil. This is usually about 4 feet wide, but the length can be whatever suits your site and wants.

For best success with sun-loving vegetables like tomatoes you should try and find a spot with at least six hours of direct sunlight.

Raised Beds are the perfect solution for many gardening problems:

  • Poor soil composition
  • Compacted soil
  • Drainage problems or "ponding" water
  • Soil erosion or runoff
  • Burrowing rodent damage
  • Having to stoop over to work low to the ground

building raised beds with 2x6's
Constructing Raised Bed Gardens using 2x6 Lumber

Advantages of raised bed gardens:

1. Ease of access

tall raised bed garden
Raised Bed Built with Timbers

  • Reduced back strain from bending over
  • Can be designed to be reachable from a wheelchair
  • By keeping the width under 4 feet, all of it is easily reached

2. Higher yielding vegetable plants

  • Studies at the Dawes Arboretum near Newark, Ohio, indicated more than double the conventional yield

3. Prevents soil compaction

  • Walking on the soil compacts it which can reduce yields up to 50 percent

4. Easier to control pests

  • Line the bottom with chicken wire to obstruct burrowing rodents
  • Mount PVC hoops over the bed for draping row covers or bird-resistant netting

How to Build Raised Garden Beds

All you need to build a raised bed is some type of retaining structure to hold the soil. Gardeners use all kinds of materials:

  • Plank boards of various sizes from 2" x 4" to 2" x 12"
  • Timbers, from 4" x 4" and up
  • Logs
  • Stone
  • Concrete blocks

Of these materials the easiest to handle are the plank boards. My plan for constructing raised bed gardens using 2x6 lumber shows that it isn't hard.

Building Raised Garden Beds Using Scrap Lumber

Scrap Lumber for Raised Beds
scrap lumber pile

My father-in-law, who also lives in western Washington state, is a Master Gardener. He builds raised bed gardens using imperfect lumber he gets very cheaply from a lumber yard. Some of the lumber is beams that couldn't be used because of cracks. They're perfect for this use but heavy! You can see in the picture below he is also using old windows that he found at a garage sale to make a cold frame out of a raised bed. The basic design and construction are simple -- just stack the boards and use enough nails to hold it together. Note that his raised beds are pretty tall so he hardly has to stoop over to work the soil.

Constructing Raised Bed Gardens
Raised Garden Bed, Marrowstone Island, Washington

More Pictures of Raised Beds

hotel raised bed garden
Raised Bed Garden, Willows Lodge Hotel, Woodinville, Washington

sunny raised bed garden
A Raised Bed Garden in Full Sun


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