24 DIY Cinder Block Ideas for the Garden (2024)

Give your yard an elegant look by trying these practical DIY Cinder Block Ideas! These are easy to complete, cost less, and add an instant appeal!

Do you want to change the look of your garden without spending much? Check out some amazing DIY Cinder Block Ideas to add an industrial and smart look to your yard!

Table of contents

Have a look at some awesome garden ideas with used items here

DIY Cinder Block Ideas

1. Cinder Block Fire Pit

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Construct a pocket-friendly fire pit using cinder blocks—just like the raised garden bed, arrange the cinder blocks in a square shape, fire can be made within it. Find the details here.

2. Cinder Succulent Planters

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You can grow succulents in the hollow centers of cinder blocks! Make a ‘living wall’ by piling them up, add soil, and propagate succulents. Watch the video here.

3. Cinder Block Bench

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Make a bench using wood and cinder blocks—paint it with your favorite shade for a more finished look. Add some cushions and molding as well. Check the DIY here.

4. DIY Cinder Block Planter

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Create this cinder block planter by gluing the blocks together with metal sheeting. The holes can be used to grow plants, flowers, and veggies.

5. Cinder Block Potting Table

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Build a two-shelf potting bench with lumber and cinder blocks for your garden. For finishing, add rustic hooks to the self. Find the DIY here.

6. Cinder Block Planter and Bench

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This DIY can create outdoor seating. After making a bench, you can use single cinder blocks to build containers for plants.

7. Cinder Block Vase

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Cinder blocks look great as a flower vase—you can paint them from outside to make them more attractive. Follow this tutorial here.

8. Cinder Block Raised Garden Bed

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Follow this DIY and build a raised garden bed from cinder blocks. This simple project involves easy steps of stacking some cinder blocks.

9. Cinder Block Rustic Bench

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Check one more Cinder block bench DIY with a stylish yet rustic adaptation that looks amazing in the garden.

10. Cinder Block Outdoor Bar

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Create an outdoor bar or grill prep with the help of this DIY—take a few pallets and cinder blocks for making the body of the grill, ridged steel roofing, some boards for finishing. Follow the step-by-step tutorial here.

11. Cinder Block Plant Shelves

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Construct a perfect place to showcase your plants—only four cinder blocks with pieces of wood are used to build shelves. Read the details here.

12. Cinder Block Grill Station

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Stack cinder blocks to create a grill station and top with pavers and paint to make it look more stylish! Follow the DIY here.

13. DIY Cinder Block Table

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Make this beautiful table using cinter blocks for the base. The inside section also provides storage space. The DIY is here.

14. Cinder Block Firewood Rack DIY

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Take two cinder blocks and some wood beams and create this firewood rack in minutes without tools. See the DIY here.

15. Cozy Cinder Block Outdoor Seating

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Combine a dozen cinder blocks with four pieces of lumber to make this comfy outdoor seating in your yard. Check out the tutorial here.

16. Cinder Block Shelf

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Here’s an easy video on making a shelf using just cinder block and wood pallets.

17. Grassy Table Centerpiece with Cinder Blocks

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Use the cinder blocks as a centerpiece for the dining table or desk—learn more here.

18. Cinder Block Outdoor Bench

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All you need are some concrete cinder blocks and wood posts to make a clever seating arrangement like this.

19. Concrete Block Planter

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This DIY concrete block planter not only looks fantastic, but you can get super creative with it and come up with your own unique design.

20. Cinder Block Solitary Bee Hotel

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To attract native bees into your garden, make this easy bee hotel using cinder blocks. Details are here.

21. Porch Cinder Block Bench

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Adding a cinder block bench on the front porch takes little time to craft. It’s easy to make, durable, and perfect for DIY enthusiasts!

22. Outdoor Bar + Planter

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Make an easy-access outdoor bar using just the cinder blocks and some other tools. Details are here.

23. Bench Potting Stand

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Make your porch a dreamy jungle escape by building a tiered plant stand using cinderblocks! Click here for details.

24. Outdoor Bar from Concrete Blocks

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Make a fun DIY bar from concrete blocks so that it won’t put a huge dent in your wallet! Details are here.

24 DIY Cinder Block Ideas for the Garden (2024)

FAQs

How many cinder blocks do I need for a raised garden? ›

20 blocks will give an interior bed area of 4′ x 8′. Leave a side open to bring in the soil until the new bed is filled. No mortar or special installation is necessary unless you desire a bed which is higher than 8″ raised over the surrounding area. Just set them on the ground!

What plants can grow in cinder blocks? ›

I planted each of these cloves in its own cinder-block hole. Each one will grow into a full bulb. I also planted two bunches of basil, two bunches of cilantro and one bunch of oregano. Each of these grows in its own cinder-block hole as well.

Is it safe to use cinder blocks for gardening? ›

Cinder blocks haven't been mass produced with fly ash in the U.S. for 50 years, though. The cinder blocks that you buy in the store today are actually concrete blocks and totally safe. Unless you're using antique cinder blocks, there should be no reason to worry, especially when cinder block gardening for vegetables.

What blocks are best for raised beds? ›

Raised beds made of cinder blocks worked best for us. We had the house landscaped several years back, and it was expensive to put those beds in! There were three raised beds made of 16x8x8 cinder blocks stacked two high with water run to each bed.

Can you fill cinder blocks with dirt? ›

As you fill the hollow blocks of your precast retaining walls, avoid using products like soil and sand, as these materials can absorb moisture and expand, causing the same issues. Instead, use rock, stones, or gravel.

How deep should a raised garden bed be? ›

They should have at least 8 inches of soil depth to accommodate the root systems of plants, because the majority of plant roots require 6 – 8 inches of soil for healthy root growth. A depth of 8 – 12 inches will suffice for most gardening situations.

How to secure cinder blocks to ground? ›

Furrow the mortar bed using the tip of the trowel to create a “v” to help distribute the mortar evenly. The mortar should be workable but firm enough to support the weight of the block. Butter the inside end of the first block and then press the block into the mortar bed to create a 3/8 inch mortar joint.

Can you grow Marigolds in cinder blocks? ›

Plant Marigolds in your cinder block openings to prevent many insects.

Can mold grow in cinder block? ›

Cinder block walls are strong, long-lasting and resistant to elements such as wind and rain, however, they are still subject to the effects of mold growth.

How to make a cinder block garden bed? ›

Prepare the Ground

Assess the ground in your area to determine how to prepare it for the bed. Remove grass or do some digging to flatten out the existing soil for planting, as needed. Put down a layer of landscaping fabric before laying your cinder blocks and filling in with soil for improved weed control.

How do you use cinder blocks in a garden? ›

Create a Tiered Cinder Block Garden

Use several different sizes of blocks. stack them into a tier or pyramid formation, and fill them with your favorite selection of ornamental grasses, trailing vines, and flowering plants.

How many garden blocks do I need? ›

You could measure the perimeter of the space and divide it by the length of the blocks. For example, if you are using 10” long blocks (0.83 foot) and your perimeter measurement is 180 feet: 180 / 0.83 = 216.87 blocks. Round up to the nearest whole number.

How many cubic feet does it take to fill a 4x8 raised bed? ›

If you're planning a 12-inch deep raised bed, you'll need approximately 24 cubic feet of soil to fill a 4x8 bed. A depth of 18 inches will require approximately 36 cubic feet of soil.

How many bags of soil do I need for a 4x8 raised bed? ›

A 40 qt bag is 1.3(and some) cu ft. 4'x8'x[height] is the volume of your bed. If you assume the height is 1', your volume is 32 cu ft. Divide by 1.3 per bag, and I think you need 24.6 40qt bags, so 25 bags.

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