Simple DIY Louvered Planter Box

If you saw my last post, you may have caught a glimpse at this simple louvered planter when I was sharing about how I covered up my ugly well house in the middle of the yard.

Louvered planter box at corner of faux fence well house cover with red mum sitting in it

These cedar planters looked so good against that cedar fence.  But they also look great on my front porch with my fall mums.  So now, I feel like I need to build two more. HA!

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They’re simple enough, so maybe I can get around to that before the season ends, but in the mean time, let me show you how these first two DIY wooden planters came together. PS do you recognize that adorable wooden wagon in the corner??

Two cedar louvered planter boxes on each side of front door with red mums and pumpkins

I’ve got the plans linked below for these simple louvered planter boxes and a quick how to video for you here:

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To Build These Louvered Planter Boxes, You Will Need:

(PER PLANTER POT)

Overall louvered planter box dimension diagram

NOTE: I built two matching planters using five cedar 1x4s and two cedar 2x4s (purchased from my local lumber yard).  Now, in my area, I couldn’t find cedar 1x2s and 2x2s.  So, I had to rip the 2x4s into 2x2s and one of the 1x4s into 1x2s.  But if you don’t have a table saw, you can purchase 2x2s and 1x2s in other wood species, instead.

Related: Check out this post on how to make your own 2x2s.

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Want more outdoor project ideas? Check out a few of these:

Step 1: Cut and Assemble Louvered Slat Panels

The first thing I did for EACH PLANTER was cut sixteen 1×4 slats for the side panels of the planter—there will be four on each side. These are each 10 1/2″ long.

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Then, I cut four pieces of 1×4 to 14 1/4″ long to rip into 1x2s on the table saw—these will frame out the slats on each side. Again, if you don’t have a table saw, you can purchase 1x2s instead.

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Once I had four sets of four slats and two 1x2s, I began assembling.  (I’m only showing three sets below because I already put one together haha.)

Sets of boards trimmed to length for louvered panels

I lined up the corners of the top 1×4 with the edges of the 1×2 piece and attached using 2” wood screws.  DON’T FORGET TO PREDRILL!!

Lining up first board 1x4 corners with 1x2 edges

I only used one screw because I was running low on screws.  Two would be stronger, and you could also use wood glue as well.  But I don’t plan on throwing these around the yard, so one screw will hold it good enough for me.

Driving first screw to secure first louvered board

Once the top 1×4 slat was in place, I worked my way down installing the next slat RIGHT below the one above it, keeping them angled about the same.  I didn’t allow for any overlap here.  The next slat just barely touches the one above it.

all four louvered boards installed onto first 1x2 frame piece

Once all four slats were attached to the 1×2, I flipped it over and repeated, adding the other 1×2 on the other side.

Diagram with dimensions of louvered side panels

Once I had four of these panels together, I moved on to the next step.

Step 2: Add Top and Bottom to Louvered Panels

The rest of the pieces of this planter were made from 2x2s.  So I trimmed my 2x4s down to the lengths I needed on the miter saw, then ripped them down on the table saw to make my 2x2s.

RELATED: Check out this post on how to make your own 2x2s!

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Again, if you don’t have a table saw, you can purchase 2x2s instead. NOTE: Cut two 20″ legs and four 12″ top and bottom pieces from EACH 2×2 to have enough lumber for all the cuts. (Don’t cut all the 12″ pieces from one board, or the last one will be too short because of the blade kerf from the previous cuts…trust me 🙂 ).

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I screwed two 2x2s onto the top and bottom of each of the four slat panels into the 1x2s on the sides using 2” wood screws until I had four completed panels. 

2x2s installed on side panels of louvered planter box diagram

All that’s left at this point is just attaching everything to the legs.

Step 3: Assemble Four Panels to Complete Planter Box

I screwed two 2×2 legs into one of the panels at the top and bottom 2x2s.  Now, clearly there are a million other ways to assemble these.  I chose simple butt joints and screws because these are just outdoor planters and I wasn’t wanting to get fancy here.

Legs attached between one louvered planter pot panel

But if you didn’t want to see the screw heads, you can definitely use pocket holes or dowels, or whatever method you prefer.  Or you could just putty over the screws, too.

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Once the legs were attached to one side, I worked my way around, adding panels and legs as I went.  The main thing here is to make sure you assemble the slats with the slant the right way.  You want them slanted toward the outside and not the inside of the planter.

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I assembled one leg to two other panels like shown here.

Legs attached on opposite sides of two louvered panels of planter box

Then I attached them to the panel with two legs already.

Three sides assembled of louvered planter box

Then, finally, screwed in the fourth louvered panel to complete the planter box.

Final side assembled on louvered planter box

Step 4: Add Support Slats to Inside of Planter Box

After all four sides are assembled, the final step is to add some slats to the inside to hold up whatever plant or pot you put inside. 

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I cut some scrap 1×4 (you can use any scraps, really) and placed inside the planter across two of the slats.  Depending on how deep your pot is, you can place these along any of the slats to get it the height you wish. These are fairly small, so I just really needed one slat, but you could add a couple if you wanted.

Slats installed to hold up planter pots for mums or other plants

I did give them a couple coats of exterior grade poly to deepen the cedar color and give them a little more protection. I recommend giving your planter a good covering of outdoor sealant to protect it from water and sun to make it last a while.

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Then I put them over by the well house cover. 

Planters sitting at corner of well house cover

Then I moved them to the front porch. 

DIY Louvered Cedar Planters on each side of black front door with red mums

And now I’m super indecisive about where I should keep them permanently…or if I should just make another pair.  Time will tell *wink wink*

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So, if you’ve enjoyed this louvered planter box project and can’t wait for the next one, I’d love if you’d subscribe to my newsletter below so you don’t miss out on what’s coming next!

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Pinterest diagram collage of overall louvered planter box dimensions and final picture of them completed

Until next time, happy building 😊

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