How to Build a Diy Raised Garden Bed from a Wood Fence

Garden Planning · Garden Projects · Gardening Tips & How-to's · In the Garden · Raised Bed Gardening · Spring Garden

If you’re looking for a cheap way to build a DIY raised garden bed and you have access to discarded wood fence, I’ll help you learn how to make one (or three) in just a few hours. Don’t worry; you don’t have to be a handyman (or woman). You just need a few tools and supplies and you can build a raised bed for your vegetable garden on the cheap!

How to Build a Raised Garden Bed from an Old Fence

My family knows me so well. When my brother-in-law replaced a section of his picket fencing, he asked if I wanted it for my garden.

Of course I do! (I couldn’t agree fast enough.) I first confirmed that the fence was built after 2003 to ensure the pressure-treated wood was free of arsenic-containing CCA.  Then, I did ask my husband a few questions since he’s the builder in our family, but if I could do most of this DIY raised garden bed myself, anyone can.

Step 1: Examine and Prepare Wood for Raised Bed

First, examine the wood and discard any pieces with major cracks. Then, use a hammer and pliers to remove any staples left in the fencing.

Once that’s completed, measure the wood and count how many pieces you have to work with.

Using picket fencing in a raised garden bed

Most of my pieces were six feet in length and six inches in height. I did have a few that were five feet in length. For the five-feet pieces, I chose to cut those in half to use as end pieces. You don’t want your beds to be any wider than four feet.

Because I had plenty of wood to work with, I chose to create three 2.5′ x 6′ beds that shared inner vertical posts.

Step 2: Gather Materials for Building the Raised Garden Bed

Although you can do this a variety of ways, I chose to secure the wood pieces to 4×4 pieces of lumber. My husband cut these into 18″ pieces. Six inches would be used to anchor into the ground, and the other twelve inches would be used to secure the two pieces of lumber for each side.

You will also need screws, drill, carpenter’s square (or ruler), and pencil.

Step 3: Attach the Wood to the 4x4s

I chose to build all of the long sides first. Although I was making three beds, I only pre-built the two end beds first. The final bed’s sides would be added in the garden (more info below). If you choose to build stand-alone beds, you can build them all before placing in the garden. Or you could build them in the garden, though I appreciated the stability of concrete while laying the pieces.

raised garden bed using old fence

Because I wanted to save 4×4 lumber, the inner pieces would be used to anchor two beds. They looked like this:

raised garden bed out of old fencing

But the end pieces would be attached flush like this:

DIY Raised Garden Bed using Old Fence

(If this is confusing, it will make sense when you see the final product. And if you’re building stand-alone beds, don’t worry about this. Build each corner flush.)

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Step 4: Set Raised Beds in Garden

First, level your garden space as best you can. Then place the beds where you want them before anchoring them in. Adjust as needed.

I pressed on the raised bed to mark the place for the corners and then moved the bed out of the way. From there, I used a post hole digger (you could use a shovel) to dig out a large hole for the anchors to be set.

New DIY Raised Bed Design

(Beware of chickens in the garden scratching for bugs in your newly leveled garden area!)

Then, move the bed into its place. Use a level to ensure your bed isn’t tilting.

If you’re only building standalone raised beds, you are done! All you have to do next is fill your bed with soil!  But if you’re building interlocking beds like I did, you have a few more steps.

Step 5: Attach Final Wood to Raised Beds in Garden (optional)

DIY Raised Bed Cheap

Here you see I’ve built two raised beds. The inside corners have room to attach two more sides. But first, I had to measure and ensure I set the beds far enough apart (but not too far) so the remaining lumber could be attached. Once I did that, I was able to add the sides to complete the three raised bed system.

DIY Raised Garden Bed Old Fence

Because the wood was given to me, and my husband had two extra 4x4s and screws, I was able to build three raised garden beds for FREE! If you have to purchase the 4x4s and screws, you’ll spend about $20 on 4x4s and $5 on screws — for 3 RAISED BEDS, putting each bed at under $10! That’s a pretty cheap raised bed if you ask me! Now I just have to add the soil and wait for spring to arrive!

DIY Raised Bed Under $10

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5 Comments

  1. Excellent! You did a great job, Jill! What a great score from your brother-in-law. 12 inches is a good depth, too. What are you planning for the new beds?

    1. Thank you, Norma! Most likely I’ll plant Roma tomatoes. I’m hoping, because there are three separate beds, to test different soil combinations and see which soil combo performs the best. It’s always fun to experiment!

  2. How do you level the ground for your garden. I have trouble leveling my garden. I have several raised beds joined together to make a 100 ft long garden, but I don’t do it all at once. It’s very hard to get it level so the water doesn’t run out. It’s Texas clay under the garden, so the water doesn’t sink in.

    1. That’s a tough one, and I don’t always do it perfectly. But generally, I use a leveling tool (a level) and “level” it at the ground. Then I put the raised bed on top and put the level on top of it to make sure I was right the first time before putting it in permanently.

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