23 DIY Window Box Ideas-Build And Fill Them With Colorful Flowers

A DIY window box can give the exterior of your home an instant face lift. The boxes can be created as simple or as elaborate as you want, and built to compliment the architectural style of your home. After the DIY window box is built and installed, just add potting soil and flowers and you’ll instantly increase the beauty and value of your home. Not bad for a couple hours of work. Check out the 23 great diy window box ideas to find the one that’s just right for your home.

Related: DIY Planter Boxes, DIY Hanging Planters, DIY Self watering Planters, DIY wall planters, DIY concrete planters, DIY plantation shutters, Container Gardening Ideas.

DIY Window Box Ideas And Tutorials

1. Clean Lines DIY Window Box

The architectural line of these diy flower boxes are straight and clean, a perfect compliment to a modern or craftsman style home. These free plans take you through the build step by step and show how to modify the width to fit any window size.

2. Build A DIY Window Box Under $20

Adding value and beauty to your home’s exterior doesn’t have to cost a lot, these window flower boxes cost under $20 to build. All you’ll need is:

• 1 cedar fence panel per box
• Wood glue
• Nails
• Cut 2 boards to desired length and  3 to the desired width.
• Glue and nail boards together to form a 4-sided, bottomless box
• Cut and attach bottom panel to box with glue and nails
• Stain or paint
• Attach metal L-brackets to the bottom and attach to the exterior of the home
• Fill with potting soil and plant flowers

3. Using Cedar Wood To Build A Widow Box Planter

Cedar wood holds up well to the outdoor elements and will last for years. Follow brief instructions to build this cedar window box.

• Cut cedar wood to desired length and width
• Glue and screw board together
• Drill drainage holes in the bottom board
• Add decorative trim to front board
• Sand, paint or stain
• Add shelf brackets to back board and attach to home

4. Build And Install A Long DIY Window Box

Perfect for homes that have a large picture window. Easy to build and install with these detailed instructions. The end results is breathtaking.

5. Follow These Five Easy Steps To Make Window Box

All it takes is five easy steps to create beautiful diy window box planters.

• Draw out your design idea
• Measure window and cut cedar wood planks to desired length and width
• Assemble boards with wood glue and nails
• Sand, prime and paint
• Hang with brackets and plant flower

6. Wooden DIY Window Box

Follow these step by step instructions to custom build your own wooden window box, complete with decorative brackets that help support the flower box.

7. Construct Floating DIY Window Box

This DIY creation idea seems to have the window box floating under the window with no visible means of support. A great, updated and modern version that fits in well with a modern architectural style home.

8. Do It Yourself Window Flower Box From Scratch

This design thinks outside the box and creates a unique planter holder. Instead of building a wood box to hold potting soil, this is more like a wood shelf with holes cut to size to hold terra cotter planters.

9. Add Aesthetic Appeal To Home’s Exterior

This is a great way to use up small slats of wood and add a pop of color to the exterior of your home for almost no money. Use leftover wood strips and these easy to follow instructions to create a unique DIY flower box.

10. Make Mock Picket Fence DIY Window Box Just Under 20$

This unique design mimics the tradition white picket fence and give the style and updated look, great for any style home. Get the details for this mock picket fence window box.

11. Classic Style DIY Window Box

These free plans for building a classic style DIY window box will increase the curb appeal of your home even in winter time when no flowers are in bloom. The front trim and gables underneath add a decorative touch to this classic style that fits in well with any style home.

12. Build Window Box and Shutters Together

These plans show you how to build a country style flower box with matching window shutters. Perfect for that trendy farmhouse look. This style would be easy to build from recycled wooden pallets.

13. Picture DIY Window Flower Box

Add a splash of decorative color to the front of your home by building and installing this simple window flower box. Detailed plans show you how to build a long flower box that works well for a large picture window.

14. Grow Herbs And Veggies In DIY Window Box

A DIY window box can also be used to grow herbs and vegetables during the summer. Build this easy window box planter and grow herbs, lettuce, radishes and green onions for a fresh summer salad.

15. Video Instructions

This video provides detailed visual instructions for building your own stylish flower box.

16. Brighten Your Home Exterior With Easy To Build Wooden Window Box

Here are some down loadable PDF plans for building a classic style wooden window box.

17. $20 Cedar DIY Window Box

Cedar wood is a perfect building material for outdoor projects such as making diy window box because it’s resistant to changing weather. Cedar is not very expensive either.

18. Wood Shims

Ordinary wood shims can transform an ordinary diy flower box into an extraordinary custom made wood piece.

19. Turn An Aluminum Gutter Into DIY Window Planter

An ordinary piece of aluminum gutter can be fashioned into a modern DIY window box with this plan.

20. Shelf With Removable DIY Window Box

Use this plan to create a window shelf and removable box. Set the planter box on the shelf in the summer and fill with soil and flowers. For fall and winter, remove the box and decorate the shelf for the season.

21. Vintage Style DIY Window Box

A great design for use on vintage or Victorian style homes. It’s just a simple diy window box with a little molding added to the front to give it a vintage look.

22. Simple Design

This simple design makes big impact on the exterior appearance of a home. Easy to build widow planter box.

23. Wood Shim Planter

Wood shims, painted in various colors with leftover paint and mounted on a board in a horizontal pattern make an expensive looking stylish planter box.