The 12 Best Self Watering Window Boxes in June 2023

Mayne molded plastic planters are made from 100% high-grade polyethylene, with a double wall design creating a water reservoir.

Outside Dimensions: 36"L x 11"W x 10.8"H. Inside Dimensions: 32"L x 7.5"W x 8"D

Water reservoir capacity is approximately 3 gallons (11 Liters)

Includes 3 wall mount brackets with a black powder coated finish

The weather-proof and ultra-tough construction allows you to enjoy your window box all year long with very little winter preparation. The UV inhibitors within the resin allows for a long lasting fade-free performance.

15 Year Warranty – Residential Application, 5 Year Warranty – Commercial Application. Made in the USA.

Mayne molded plastic planters are made from 100% high-grade polyethylene, with a double wall design creating a water reservoir.

Outside Dimensions: 48"L x 11"W x 10.8"H. Inside Dimensions: 44"L x 7.5"W x 8"D

Water reservoir capacity is approximately 4 gallons (15 Liters)

Includes 4 wall mount brackets with a black powder coated finish

The weather-proof and ultra-tough construction allows you to enjoy your window box all year long with very little winter preparation. The UV inhibitors within the resin allows for a long lasting fade-free performance.

15 Year Warranty – Residential Application, 5 Year Warranty – Commercial Application. Made in the USA.

The outer basin is made of high quality plastic, safe, non-toxic and durable, and is also suitable for outdoor use.The surface is treated with a lacquer finish and has a high gloss.

Pack of 2, Rectangular flower pots with a length of 16 inches(40 cm), a width and a height of 5.5 inches(14 cm), can grow multiple plants, and are suitable to be placed on the balcony or office desk or bookshelf.

The water level indicator allows you to observe the water level at any time. Once the water level is below or close to the minimum water level, you can consider pouring water into the pot.

This self-watering planter pot makes your gardening more enjoyable！It allows you to water your plants once a week or a month instead every day. It can also save your plants from under- or over watering.

It can be used in a variety of environments, whether it is for home, apartment, office, desktop, outdoor or indoor, it will complement your home environment.

The Cape Cod Planter features a beadboard panel design with rich architectural details, truly transforming your patio space into your own personal retreat.

The weather-proof and ultra-tough construction allows you to enjoy your planter all year long with minimal winter preparation.

Mayne molded plastic planters are made from high-grade 100% polyethylene with built-in UV inhibitors within the resin for long-lasting fade-free performance.

Self-watering system through built-in water reservoir encourages healthy plant growth by creating a sub-irrigation water system and encouraging root growth

The Cape Cod Planter features a beadboard panel design with rich architectural details, truly transforming your patio space into your own personal retreat.

The weather-proof and ultra-tough construction allows you to enjoy your planter all year long with minimal winter preparation.

Mayne molded plastic planters are made from high-grade 100% polyethylene with built-in UV inhibitors within the resin for long-lasting fade-free performance.

Self-watering system through built-in water reservoir encourages healthy plant growth by creating a sub-irrigation water system and encouraging root growth

Made in the USA - 15 year warranty – residential application, 5 year warranty – commercial application

SELF-WATERING FUNCTION - When you are occupied in work or traveling, it will come in handy. The 15 inch window boxes planters have a self-watering system with a water storage function, so that your plants can automatically absorb water and thrive.

DURABLE MATERIAL - Made of high-quality thick pp plastic, the rectangle self watering planter can resist daily wear and tear, and is not easy to deform or crack. It is very light and easy to carry and use with a size of 15 x 6.3 x 6.5 inches.

EASILY OBSERVE PLANT GROWTH - There are notches on the side of the rectangle self watering window box for you to add water to plants or observe the remaining water and the development of plant roots. The bottom tray is removable for easy cleaning.

STYLISH DECORATIVE POTS - With elegant brown and ideal compact size, our windowsill herb garden planter is very suitable to be placed on window sills, tabletops, plant stands, kitchens, living rooms, terraces, offices, gardens, porches or other places for decoration.

SATISFACTORY REFUND POLICY - For this order, you can enjoy a worry-free refund within 30 days and 24/7 after-sales service. If you are still dissatisfied with the 15" flower boxes for windows, or have other questions, please feel free to contact us.

1,With a flower pot with a visible water level window, you can easily observe when and how much water is poured, just pour water directly from the water inlet.

2, The double-layer design allows excess water to be stored at the bottom of the pot. The water is separated from the lining and only absorbed by the absorbent cloth. It also makes transplanting plants more convenient.

3, It is the ideal planter for your garden, porch, balcony, window sill, kitchen or home and office.

4, Absorbent cloth can help the roots of the plant absorb water from the bottom of the pot and keep the soil moist. No need to water the plants every day, it will help you reduce the daily watering work.

5, Include 6 planters: 11 inch long rectangular flower pots, size: 11" x 4.7" x 5.5" (Length x Width x Height); Plants are Not included

【Drainage Holes and Saucer】Mesh shape drainage holes , conductive to keeping soil drained and ventilated, providing properiate airflow and promoting plants to grow strong; Easy to clean with the removable tray.

【Perfect Size, Removable＆Multi-purpose 】Planter size: 16 × 7.6 × 7in,great size for planting herbs, vegetables, tiny cactus, lilies, lotus and artificial plant etc, also holding stones, soil, pebbles and more.

【Self Watering】 The tray of the flowerpot has a capacity of 51oz .You don't have to water the plants every day, it can store enough water for a week or more, and it's easier to grow.

【Simple but Modern Window Box】Easy to decorate in any scene with rectangular design, good for DIY or sticking labels, bringing the fresh air and brightening up your living place; Package includes: 2 x Rectangle Window Boxes, Plants Not Included.

【Safe, Durable and Anti-corrosion】Very well made, attractive, made from ABS material; Environmentally friendly and non-toxic; Sturdy, compact ; Scratch, abrasion and impact resistance.

【DOUBLE-LAYER STRUCTURE】 Made of pp material, the plastic self watering planters are light and durable, dark gray, not easy to fade and crack. The whole adopts a double-layer design, the flowerpot fits perfectly with the dish, and it can also be easily removed.

【PRACTICAL WATERING DESIGN】The saucer is deep enough to be a good reservoir, and the bottom of the flowerpot itself is pre-drilled with multiple drainage holes for the roots of the plant to breathe, and rectangle self watering planter has an automatic watering function.

【LARGE SIZE, MORE CHOICES】There are 6pcs planter box with saucer, measuring 17 x 7 x 5.5 inches, providing you with enough space to grow different varieties of flowers, vegetables or small fruits. There is a nozzle on both sides for easy watering or pouring.

【AVAILABLE INDOOR AND OUTDOOR】Our windowsill herb garden planter is not only a planting container, but also an ideal decorative modern rectangular flower pot. Put it on the kitchen or bedroom window sill, garden, porch, balcony, plant stand, it will be beautiful scenery.

【PURCHASE GUARANTEE】 Feel free to contact us if you have any questions. There's no need to be embarrassed. If you are not satisfied with self-watering flower pot or if it has quality problems, you can request a full refund and return within 30 days after receiving the products.

★ MULTI-PURPOSE: Drain holes at the bottom. Suitable for indoor or outdoor, balcony, window sill, table top, shelf, etc.

★ SELF WATERING. You don't have to water the plants every day, it can store enough water for a week or more, and it's easier to grow.

★ INCLUDING 4 COCONUT COIR SOIL. Each coconut coir disk becomes a 1 quart of fluffy plant fiber after using 0.5 quart of water. There is very little nutrients in the coir soil, so it is best to add some fertilizer After adding water to expand it, so that it can be used for a long time, just add some fertilizer at the right time. Due to policy reasons, the packaging of products sold in Australia/Japan does not contain Coco Coir Soil.

★ STYLISH AND SIMPLE APPEARANCE. It can be used in a variety of environments, whether it is for home, apartment, office, desktop, outdoor or indoor, it will complement your home environment. Rectangular flower pots with a length of 40 cm (15 1/2''), a width and a height of 14 cm (5 1/2''), can grow multiple plants, and are suitable to be placed on the balcony or office desk or bookshelf.

★ EASY TO OBSERVE. The water level indicator allows you to observe the water level at any time. Once the water level is below or close to the minimum water level, you can consider pouring water into the pot. There is a special water injection port for easy water injection.