DIY Cedar Window Planters - Shades of Blue Interiors
Rustic Wood Double Outdoor Window Box for Herbs and Flowers Designed to Frame a Window Handmade and Stained or Painted in Your Colour Choice - Etsy Sweden
How to Build a Window Box | HGTV
How to Build a Wood Window Box Planter | Remodelaholic
10 Easy Pieces: Wooden Window Boxes - Gardenista
Traditional Cedar Wood Planter Box
Hardscaping 101: Best Styles and Materials for Window Boxes - Gardenista