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How to Make Window Boxes

Easy DIY window boxes - create your own planters with these simple step by step instructions

This project was truly a family affair, from shopping, to painting and planting. When we purchased our house, we knew the window boxes {actually shelves for planters} were victims of wood rot. I was anxious to replace them this Spring to add charm and color to the front of our home.

We built our window boxes 62″ long {just a bit longer than our windows} after assessing the damage the originals left and I love that they are oversized! Here’s a step by step to create your own window boxes!

First, we made a trip to Lowe’s. I’m lucky to have such a great helper! Adalyn was right by my side with her measuring tape ready to assist.

Using a nail/staple gun, we adhered the 5 boards together. Clamps were a huge help during this process.

Finally, screws to ensure they are secure.

Then it was time to add the trim. I chose 3/4×1-3/4″ accent colonial. We clamped it on and used the nail gun to adhere.

Waterproof wood glue was used to give it a perfect finish before sanding {for an even edge} and painting. It was also used in the seams.

It’s important to prime your wood boxes inside and out to reduce wood rot before painting.

We drilled drainage holes throughout the box and stapled weed barrier over them to keep soil from draining through.

After this step, they’re ready to hang!

To keep the weight in the boxes minimal, we used aluminum soda cans to fill the area in the bottom. Pine cones are also great, but we unfortunately already cleaned ours up for the Spring! We also used potting soil versus top soil. It’s much lighter and has fertilizer in it for the plants.

Finally, we added and edible garden! Begonias, carnations, chrysanthemums, clover, day lilies, lavender, lilacs, pansies, peonies, impatiens, and tulip {petals} are some of my favorites. For early Spring, I knew I could rely on pansies and lavender, not to mention that the colors will compliment our home and landscaping plans well. As you may already know, I love lavender for it’s beautiful aesthetic, fragrance and versatility. Click here for some of my favorite lavender uses. Pansies are great for garnishes and salads. The height of the lavender balances the pansies.

How to make window boxes, adding character to your home
add charm to your home with DIY wood window boxes
How to make window planters
how to make window boxes
Completing this project has me excited to get started on the rest of our landscaping!

DIY window boxes

window boxes
You can see our “completed” home here.
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16 comments on “How to Make Window Boxes”

  1. ohh wow! i love this DIY~!!

    xo,
    Sandy
    Sandy a la Mode

  2. Thanks Sandy! I love the character it added!

  3. Oh these are SO perfect. They look great on the house – what a charming idea. I’ve always wondered how to add the accent details- using trim pieces is so smart! I’m also one of the Lowe’s Creative garden gals which is how I found your blog. So great to meet you!

  4. Thanks Angela! Nice to “meet” you!

  5. I am totally agree with your oppinion.this blog post is very encouraging to people who want to know these topics.

  6. How did you adhere them to the brick?

  7. Karli, we used tapcon screws and a masonry drill bit.

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  12. I love your window box! I am hoping to add one to my home this summer. Thanks for sharing this idea!

  13. a lovely project! and you did it the right way – I plan to make a ‘cover’ for our plastic window boxes with wood trim/molding… but watch me mess it up… keep up the good work Julie!

  14. These are perfect! How deep and wide are the boxes?

    • Unfortunately I can’t recall, Kim and we no longer live there. We made them to custom fit the window, but I think about 1′ deep and maybe 10″ wide. I hope that helps!

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