DIY Raised Garden Beds With Cinder Blocks

DIY-Raised-Garden-Bed-With-Cinder-Blocks

If you are concerned about underground pests constantly messing with your garden, the solution is rather simple: a raised garden bed with cinder blocks. This DIY project can be easily made, especially if you have some blocks used in some other project before and salvaged; the result is the same if you use new cinder blocks. The tutorial is from a project involving an 18 feet long by 4.5 feet wide garden. Once you’ve marked the area, you can begin digging a few inches in the ground and afterward make the ground as level as you can. Next follows laying the blocks, which is very hard to make in a level way.

 

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But it must be done, so take your time and work with one at a time. The process is slow and the layer should have a number of 32 blocks. You also have to take it back up a few blocks at a time to lay the hardware cloth. Before placing the second layer – a much faster process than the previous – fill the cinder blocks with dirt. The same thing should be done to the second layer as well. Your raised garden bed is complete!

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19 Responses to “DIY Raised Garden Beds With Cinder Blocks”

  1. Miss Green Thumb says:

    I thought about doing this myself, but I was told cinder blocks are made with toxic fly ash that will leach into your garden. Does anyone know if this is true?

    • Carmen says:

      yup i heard that too, that’s why i decided to do the wood raised bed. can you tell me what is that black cover ? where do i get that? Thanks

      • Erika says:

        That black thing is a special material that prevents weed from appearing in your raised garden though it lets the earth “breathe” and also lets water go through it. I bought it in a garden shop/center (here in Hungary). I don’t know the proper name in English but I’m sure the stuff will know what you are talking about if you describe it. 🙂

      • Nancy says:

        It’s called landscaping fabric, or garden landscape cloth

    • DD says:

      Cinder blocks to build raised beds and also to plant directly inside the cells of this block are being promoted on Youtube videos and gardening sites. However, there is a strong possibility of poisons in the construction of these products that should deter anyone from using them to grow food.

      The product Fly Ash is used as a Portland Cement replacement for up to 30% of the cement used to manufacture these products. For those of you unaware, Fly Ash is generally captured by electrostatic precipitators or other particle filtration equipment before the flue gases reach the chimneys of coal-fired power plants, and together with bottom ash removed from the bottom of the furnace is in this case jointly known as coal ash.
      yes saw this on a related site

    • Teresa says:

      From what I understand, cinder blocks include ash, concrete blocks (made with 100% concrete) do not.

    • You Are Right says:

      You are right – DO NOT USE cinder blocks – USE concrete blocks there is a difference concrete does not have the fly ash

  2. Greg says:

    From experience with beds just like this, you should paint the inside of the blocks with latex paint to keep them from pulling water from the beds. They act like sponges.

    Also, you need to concrete together and rebar at least the corners of the blocks to reduce the problems with frost heaves. Roots can also shift the blocks. Pockets made with PVC pipe can be inserted every four feet down the sides for hoops to be inserted for frost protection cloth or anything else. There are some examples at: gardeningrevolution.com/

    • joe says:

      excellent point You brought up about painting the blocks.I didn’t think of that.

      • kevin says:

        In cured form cement should not be a problem being a painter myself there are toxants in paint also that are released in the curing process and will deteriorate over time faster than concrete concrete is very dangerouse in demolition (dust form or liquid form and during the curing process I would prefer to line the blocks with a plastic instead of painting IMO

  3. Earth Harmony says:

    This is a great idea, I would only add cardboard to the bottom of the beds. It is a great weed block and a great way to draw worms to your new bed.
    Worms love cardboard.

  4. Bella Rocks says:

    Everyone’s a critic Eh! FACT:There’s some form of
    toxins n everything in you yard and what you buy!
    FACT: there’s some form of TOXINS in
    everything in you yard and what you buy!

  5. John says:

    Raised beds without boarders. Alan Chadwick.

  6. Karen Wood says:

    It’s weedmat.

  7. Karen Wood says:

    Not everything. Diatomaceous earth isn’t toxic.

  8. Sherri says:

    I have two of these, each With 4×20 plantabe area. I did not use the landscape fabric. They are awesome.

  9. gloria says:

    How can you tell a cinder block from a concrete block. I have a raised bed that looks just like the one shown here. This is our 3rd season with it. Carrots, first yr., potatoes the 2nd, cukes and radishes this yr. Cukes definitely like this method. I built a frame and used string for the vines to climb. I have cukes hanging all over it. Also, a word of caution: be sure to fill all the holes in the blocks with soil, or better yet, turn some of them on their sides with the holes open to the soil–we’ve had 3 litters of bunnies this summer. The first ones tried to jump out and fell down in the open holes (we hadn’t thought to fill them all, only some for planting). After rescuing the little guys, we turned the top row of blocks on their sides so the bunnies could come and go and get back into the nest when they needed to. They did no harm to the cukes or radishes. Or the nasturtiums we planted as bug control.

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