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How to Make Window Boxes

Learn how to make your own planters with this easy step-by-step tutorial to make window boxes that will add color and charm to your home.

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 existing 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.

First, you need to decide how big you want your window flower boxes to be. 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!

Supplies needed to make window flower boxes:

Wood

Nail/Staple Gun

Clamps

Screws

Trim {3/4×1-3/4″ accent colonial shown}

Waterproof wood glue

Sand paper

Primer

Paint

Drill

Weed barrier

 

How to make window boxes:

Using a nail/staple gun adhere 5 boards together. Use clamps to hold them in place if needed.

Use screws to ensure they are secure.

Add trim to accent at the top, bottom or both.

Clamp it to the window box and use a nail gun to adhere it.

Use waterproof wood glue to give it a perfect finish along the seams before sanding {for an even edge}.

Prime your wood boxes inside and out to reduce wood rot before painting.

Drill drainage holes throughout the box.

Staple weed barrier over holes to keep soil from draining through.

Hang!

Tips to fill planter boxes:

  • Use aluminum soda cans or to pine cones to fill the bottom of planter boxes without adding a lot of weight.
  • Use potting soil, which is much lighter and includes fertilizer for plants versus top soil.

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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18 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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