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48" Window Boxes - 4 Foot Window Box48" Window Boxes - 4 Foot Window Box

At Flower Window Boxes TM we make over 1000 different sizes and styles of window boxes, planter boxes, and railing flower boxes. You can shop by window box design or scroll down below and see all of our selection in that size. All of our window boxes are made from an architectural grade PVC material that is solid, paintable, and ships fully constructed through high end carpentry using no rot materials. We also have a line of high end wrought iron window boxes made from laser cut steel that are guaranteed to be the strongest in the industry. Lastly, we also specialize in custom window boxes with a quick turnaround.

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48" Modern Self Watering PVC Window Box 48" New Age Modern PVC Window Boxes
Starting Price: $209.99
Sale Price: $113.97
48" New Age Modern Self Watering Deck Railing Planter Over The Rail 48" New Age Modern Hanging Rail Planters
Starting Price: $209.99
Sale Price: $119.99
48" Self Watering Charleston PVC Window Box - No Rot with 2 FREE Brackets 48" Charleston PVC Window Boxes - No Rot w/ 2 FREE Brackets
Starting Price: $209.99
Sale Price: $127.99
48" Cunningham Self Watering No Rot PVC Window Box With 2 Craftsman Brackets 48" Cunningham PVC Window Boxes - No Rot w/ 2 Brackets
Starting Price: $209.99
Sale Price: $134.99
48" Charleston Self Watering Deck Railing Planter Over The Rail 48" Charleston Hanging Rail Planters
Starting Price: $209.99
Sale Price: $134.99
48" New Age Modern Railing Planter For Porch And Deck Rails 48" New Age Modern Rail Top Planter
Starting Price: $209.99
Sale Price: $139.99
48" Modern Long Rectangle Shaped PVC Planter 48"Long x 10"High x 10"Wide New Age Modern Planter
Starting Price: $190.00
Sale Price: $142.99
4' Railing Privacy Planter | 48" Charleston Rail Top Planter 48" Charleston Rail Top Planter
Starting Price: $219.99
Sale Price: $147.99
48" Traditional PVC Window Box - No Rot with 2 FREE Brackets 48" Traditional PVC Window Boxes - No Rot w/ 2 FREE Brackets
Starting Price: $209.99
Sale Price: $149.99
48" Shaker No Rot Self Watering PVC Window Box With Vertical, Horizontal, Corner Trim and 2 FREE Brackets 48" Shaker PVC Window Boxes - No rot w/ 2 FREE Brackets
Starting Price: $209.99
Sale Price: $149.99
48" Charleston Self Watering Decorative Rectangular Planter 48"Long x 10"High x 10"Wide Charleston Planter
Starting Price: $240.49
Sale Price: $154.99
48" Cunningham Decorative White Plastic Planter 48"Long x 10"High x 10"Wide Cunningham Planter
Starting Price: $240.49
Sale Price: $154.99
48" Cape Cod Self Watering PVC Planter 48"Long x 10"High x 10"Wide Cape Cod Planter
Starting Price: $240.49
Sale Price: $154.99
48" Daisy No Rot Self Watering PVC Window Box With Vertical, Horizontal, Corner Trim and 2 FREE Brackets 48" Daisy PVC Window Boxes - No Rot w/ 2 FREE Brackets
Starting Price: $209.99
Sale Price: $159.99
48" Boston Beadboard Self Watering PVC Window Box 48" Boston PVC Window Boxes - No Rot w/ 2 FREE Brackets
Starting Price: $209.99
Sale Price: $159.99
48" Daisy Self Watering PVC Rectangular Planter Box With Corner Legs And Horizontal Trim 48"Long x 10"High x 10"Wide Daisy Planter
Starting Price: $253.49
Sale Price: $179.99
48" Oxford Welded Cast Iron Window Box With Heavy Duty Steel Frame 48" Oxford Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Savannah Wrought Iron Window Box With Ornamental Scroll Work 48" Savannah Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Vienna Black Wrought Iron Window Box With Flower Design 48" Vienna Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Self Watering Canterbury Ornamental Steel Window Box Cage 48" Canterbury Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Springfield Square Rectangular Pattern Black Metal Window Boxes With Copper Liner 48" Springfield Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Nottingham Aluminum Window Box With Ornamental Wrought Iron X-Pattern And Flower 48" Nottingham Deluxe Wrought Iron Window Box
Starting Price: $299.99
Sale Price: $181.99
48" Modern Long Rectangle Shaped PVC Planter 48"Long x 12"High x 12"Wide New Age Modern Planter
Starting Price: $240.00
Sale Price: $182.99
48" Charleston Self Watering Decorative Rectangular Planter 48"Long x 12"High x 12"Wide Charleston Planter
Starting Price: $290.49
Sale Price: $194.99
48" Cunningham Decorative White Plastic Planter 48"Long x 12"High x 12"Wide Cunningham Planter
Starting Price: $290.49
Sale Price: $194.99
48" Cape Cod Self Watering PVC Planter 48"Long x 12"High x 12"Wide Cape Cod Planter
Starting Price: $290.49
Sale Price: $194.99
48" Wolfgang German Bavarian Style Window Box - No Rot with 2 FREE Brackets 48" Wolfgang Window Box - No Rot w/ 2 FREE Brackets
Starting Price: $269.99
Sale Price: $199.99
48" X Pattern PVC Window Box Planter/Flower Box with 2 FREE Brackets 48" York Window Box PVC w/ 2 FREE Brackets
Starting Price: $269.99
Sale Price: $199.99
48" Charleston Self Watering Black PVC Window Box - with 2 FREE Brackets 48" Charleston (Black) PVC Window Boxes - w/ 2 FREE Brackets
Starting Price: $309.99
Sale Price: $219.96
48" Daisy Self Watering PVC Rectangular Planter Box With Corner Legs And Horizontal Trim 48"Long x 12"High x 12"Wide Daisy Planter
Starting Price: $303.49
Sale Price: $219.99
48" Modern Long Rectangle Shaped PVC Planter 48"Long x 18"High x 12"Wide New Age Modern Planter
Starting Price: $320.00
Sale Price: $239.99
48" Lattice Long Rectangular PVC Planter 48"Long x 12"High x 12"Wide Lattice Planter
Starting Price: $316.49
Sale Price: $239.99
48" Charleston Self Watering Decorative Rectangular Planter 48"Long x 18"High x 12"Wide Charleston Planter
Starting Price: $345.49
Sale Price: $269.99
48" Cunningham Decorative White Plastic Planter 48"Long x 18"High x 12"Wide Cunningham Planter
Starting Price: $340.49
Sale Price: $269.99
48" Cape Cod Self Watering PVC Planter 48"Long x 18"High x 12"Wide Cape Cod Planter
Starting Price: $340.49
Sale Price: $269.99
18" x 18" x 48" Modern Long, Large Simple White Outdoor Planter 48"Long x 18"High x 18"Wide New Age Modern Planter
Starting Price: $409.99
Sale Price: $299.99
48" Daisy Self Watering PVC Rectangular Planter Box With Corner Legs And Horizontal Trim 48"Long x 18"High x 12"Wide Daisy Planter
Starting Price: $399.49
Sale Price: $325.99
18" x 18" x 48" Charleston Extra Large PVC Outdoor Planter 48"Long x 18"High x 18"Wide Charleston Planter
Starting Price: $429.99
Sale Price: $339.99
24" x 15" x 48" Modern Long, Large Simple White Outdoor Planter 48"Long x 24"High x 15"Wide New Age Modern Planter
Starting Price: $409.99
Sale Price: $339.99
48" Lattice Long Rectangular PVC Planter 48"Long x 18"High x 12"Wide Lattice Planter
Starting Price: $424.49
Sale Price: $355.99
24" x 15" x 48" Charleston Extra Large PVC Outdoor Planter 48"Long x 24"High x 15"Wide Charleston Planter
Starting Price: $509.99
Sale Price: $369.99
22" x 22" x 48" Modern Long, Large Simple White Outdoor Planter 48"Long x 22"High x 22"Wide New Age Modern Planter
Starting Price: $469.99
Sale Price: $409.99
48" x 18" x 18" Square And Cube Lattice Planter Box 48"Long x 18"High x 18"Wide Lattice Planter
Starting Price: $559.99
Sale Price: $439.99
22" x 22" x 48" Charleston Extra Large PVC Outdoor Planter 48"Long x 22"High x 22"Wide Charleston Planter
Starting Price: $509.99
Sale Price: $459.99
48"L x 30"H x 18"W Modern Long, Large Simple White Outdoor Planter 48"Long x 30"High x 18"Wide New Age Modern Planter
Starting Price: $549.99
Sale Price: $459.99
48"Long x 18"High x 18"Wide Manhattan Deluxe White Decorative PVC Planter With Raised Panel Design 48"Long x 18"High x 18"Wide Manhattan Deluxe Planter
Starting Price: $634.99
Sale Price: $479.99
48"L x 30"H x 18"W Charleston Extra Large PVC Outdoor Planter 48"Long x 30"High x 18"Wide Charleston Planter
Starting Price: $589.99
Sale Price: $509.99
48"Long x 18"High x 18"Wide Pennsylvania Deluxe Large Heavy Duty Plastic Planter With X Cross Pattern 48"Long x 18"High x 18"Wide Pennsylvania Deluxe PVC Planter
Starting Price: $699.99
Sale Price: $509.99
22" x 22" x 48" Manhattan Deluxe White Decorative PVC Planter With Raised Panel Design 48"Long x 22"High x 22"Wide Manhattan Deluxe Planter
Starting Price: $749.99
Sale Price: $659.99
48"Long x 22"High x 22"Wide Pennsylvania DeluxeLarge Heavy Duty Plastic Planter With X Cross Pattern 48"Long x 22"High x 22"Wide Pennsylvania Deluxe PVC Planter
Starting Price: $849.99
Sale Price: $689.99
48"Long x 30"High x 18"Wide Manhattan Deluxe White Decorative PVC Planter With Raised Panel Design 48"Long x 30"High x 18"Wide Manhattan Deluxe Planter
Starting Price: $859.99
Sale Price: $739.99
48"Long x 30"High x 18"Wide Pennsylvania Deluxe Large Heavy Duty Plastic Planter With X Cross Pattern 48"Long x 30"High x 18"Wide Pennsylvania Deluxe PVC Planter
Starting Price: $929.99
Sale Price: $779.99