How to Build Geometric Wooden Planters that Fit Terracotta Planters
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How to Build a Hexagon DIY Planter Box

One of Ash’s favorite meals is a simple pot of rice and beans – but he gives it a little kick with a hot pepper called a wiri wiri pepper. It’s a Caribbean hot pepper, so it’s hard to find around here.

Luckily, Ash’s mom had a plant to give him. She was happy to pass it on because they were having trouble growing it in their soil.

That’s how the wiri wiri pepper plant on our fireplace came to be.

But here’s the ridiculous part – Ash didn’t have a planter around, so he looked around the garage and ended up planting it in a fish bowl. It’s even more ridiculous that the fish bowl wasn’t meant for fish – it was originally going to be a helmet for a robot scarecrow.

So, it was only a matter of time until I suggested a proper planter with some drainage, rather than the silly fish bowl. I was thinking we could make a collection of planters too, so I could plant some herbs. The wiri wiri pepper was growing really well on the fireplace, so why not try my hand at a little indoor garden.

How to Build Geometric DIY Wooden Planters for an Indoor Garden

How to Build a Hexagon DIY Planter Box

While thinking about a creative DIY planter box to make, I remembered how much our toddler loves (and I mean LOVES) shapes. Rather than asking people their favorite color or favorite food, he asks them what their favorite shape is.

And, he can rattle off everyone’s favorite shape: “Grandma loves triangles and daddy loves triangles and I love hexagons and mommy, she loves hearts.”

So, rather than making a couple ole rectangular planters, we decided to be a little creative with shapes for our DIY planter boxes.

How to Build DIY Planter Boxes in the Shape of a Hexagon

With DIY planter boxes, you can either fill the box up with dirt or just conceal a pot inside.  Putting dirt directly inside the box requires the use of certain types of wood (like cedar) or protective stain treatment (I highly recommend a non-toxic stain if growing herbs).  Without this, the wood may start to rot quickly.  Since we had a lot of scrap pine board cutoffs in the garage, we went the simplier route and decided to just hide a terracotta pot inside our hexagon planter box.

Materials

  • 1×8 board, 6′
  • 1/4″ plywood sheet (2’x2′)
  • wood glue
  • finishing nails

Instructions for Building a Hexagon DIY Planter

To build a hexagon DIY planter box, we needed six identical wooden segments to make the six sides of the hexagon.

Then for each segment, we needed to bevel the edges at a 30 degree angle so that they could fit together seamlessly to form the hexagon. Bevelling the edges was a breeze with our table saw.

How to Make a Hexagontal DIY Planter Box for an Indoor Herb Garden

Once we had 6 segments, it was time to connect them together with wood glue and finishing nails.

We used a clamp (our handy JawHorse) to hold the segments in place to help with this process.

Here is Ash applying some wood glue to a segment:

Using wood glue to make a DIY planter box in the shape of a hexagon

Next, we pressed another segment against the glue, and used two finishing nails to hold the pieces in place while the glue dried.

Then, Ash used his finishing nail gun to speed up this task.

Using a finishing nail gun to make DIY planter boxes

Here is a finished segment:

How to build a wooden DIY planter box for an indoor herb garden

Segment by segment, the DIY hexagon planter started to take shape. When all the sides were connected, it was time to cut out a base for the wooden planter box.

To make the base, I traced the outline of the hexagon against a plywood sheet.

How to Make a Wooden DIY Planter Garden Box

With the assistance of a clamp and a jigsaw, I cut the hexagon out of the plywood. I had to hold the plywood very firmly as I ran the jigsaw through the wood.

Making a hexagon DIY planter box

To attach the base to the planter box, we used more wood glue and finishing nails.

The hexagon planter box was mostly done at this point.

Hexagonal planter box made of wood

How to Build a Triangular DIY Planter Box

The triangular planter box was very similar in design to its hexagonal planter box cousin.

The main difference was the number of segments – I just needed three. The segments still needed 30 degree bevelled edges to make a seamless triangular shape.

I repeated the steps I did for the hexagon planter box, producing this nice triangle planter box.

How to Make a DIY Wooden Planter Box in Geometric Shapes

Finishing the Planter Boxes

As with most woodworking projects, you’re not done until you give everything a good sanding.

So I used my random orbital sander to smooth all the edges, making the planter boxes easy on the hands to handle.

How to Build Geometric Wooden Planters that Fit Terracotta Planters

I haven’t decided if I am going to paint or stain these DIY planter boxes. Check back next week for an update – along with an updated picture of the wiri wiri pepper’s new home.

And as a bonus, here’s a picture of the wiri wiri pepper in the fish bowl 🙂

Creative Planters for Indoor Gardens

 

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40 Comments

  1. Hi, love the idea of making our own planter boxes in different shapes and a great easy to use up leftover pieces of timber #mmbc

  2. These look easy and fun to make! My husband built me a shelf to put all my potted plants on last year. I should have him make me the hexagon planter next time. Thanks for sharing! #DIDI

  3. Your planter boxes are adorable and perfect to feature in my 7 Ideas to Beautify Your Outdoor Spaces next week at the Merry Monday Link Party on Sunday 6 pm pst. Hope to see you then!

  4. My fingers are anything other than green therefore if I were to do gardening, a pot bought would be what goes in my garden hahah!
    Thank you for sharing this with us at #TriumphantTales. I hope to see you back next week!

  5. These look great – you’re so crafty! I honestly wouldn’t know where to start! I love my plants, especially herbs for the kitchen, so these would be perfect. I’m not sure I’d be cut out for all the DIY though! Thanks for joining us at #SharingtheBlogLove

  6. Great planter boxes. We had some similar at our previous home. Thanks for sharing with SYC.
    hugs.
    Jann

  7. Love the “unusualness” of the planters Eileen. Whoever said a planter should be square and that fishbowl works for me too 😀 Just one question, will Ash be making that robot scarecrow no that the fishbowl is empty again?

    1. Haha thanks Michelle! I love that you enjoyed the fish bowl story! Haha he did make the robot scarecrow in the fall – the fishbowl was too small for its head lol so it’s back to laying around the garage:)

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