The Mayne 48-Inch Rectangle Polyethylene Nantucket Window Box is perfect for your larger windows, and adds the beauty and warmth of summer to your home. Crafted from high grade polyethylene for durability and longevity, this planter box is also designed with a sub-irrigation system which encourages root growth. The window box comes in your choice of colors so you can choose the perfect match to your decor. The inside measures 43L x 8W x 7.5D and holds approximately 5 gallons of soil. The planter comes with three steel wall mount brackets for easy installation on the outside of your window. If you wish to mount the planter on a deck rail, you will need to order a deck rail kit with four brackets, such as the Mayne Adjustable Deck Rail Bracket (item number MMI043), which is sold separately.

How does the Sub-Irrigation Water Reservoir work?

These patio planters include a trough design creating a sub-irrigation water reservoir at the bottom of the planter. Capillary action allows water in the reservoir to soak upward keeping the soil and plant roots moist. To avoid oversaturation an overflow hole is drilled through the outside wall allowing excess water to drain out from the planter. Regular watering is required for the first few weeks giving the root system time to develop. Once the roots have grown down to the troughs the plants will be able to pull moisture from the reservoir creating a self-watering effect.