Window Boxes and Outdoor Planters

Window Boxes at Manufacturer-Direct Prices

"The last windowboxes you will ever have to buy!" PVC window boxes vs vinyl window boxes
  • 100% rot free, insect and moisture proof
  • Matte finish looks like wood and can be painted
  • Solid material construction does not warp or crack during winter freezes
  • Secure installation
  • Custom sizes up to 16ft long
  • Self Watering options for easy maintenance and vacations

Featured Window Boxes

Planter Boxes, Railing Planters, Window Box Liners,
Shutters and Cedar Wood Products

From Custom Window Boxes to Porch, Deck and Railing Planters

At FlowerWindowBoxes, we not only specialize in flower box products, but also planter products. All of our products come in virtually any length up to 16 feet and two sizes. Our standard size boxes are designed to accommodate almost any flower. Our XL sizes are taller and deeper to provide more root space for plants making them the ideal sized window boxes for plants. Everything is fabricated to order with the exception of our select sizes which we keep in stock and offer promotions on from time to time. PVC flower boxes, planters, and deck rail planters can all be custom made to meet your specs or to match your home. We can also custom fabricate or even replicate existing flower boxes or structures on the home. Go direct with FlowerWindowBoxes and get quality products at direct rates. We provide standard and custom PVC window boxes at unbeatable prices and we get them delivered to you fast - that's our guarantee. Click to see all of our freestanding planters.

Need Help? Call customer support at 888-505-7715 or email us at We make custom items and everything ships out in 1-3 business days.