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The 12 Best Self Watering Window Boxes in February 2023

The best self-watering window boxes can add color and freshness to your home, and help your plants stay healthy and hydrated. These easy-to-use gardening tools come in a variety of shapes and sizes, so finding the right one for your needs is easy.

Top Picks

Best Overall: Cape Cod 4FT Window Box - White
(Add the look of the charming eastern seaboard to your home with the Mayne Cape Cod Window Planter. Placing this dramatic unit beneath your window or on your deck showcases your love of both gardening and architecture. The straight lines and rectangular body create an appealing piece, with beaded panels on the front and back for added interest. The top and base of the item both flare outward, bringing classic design to it. The significant planter has an innovative, hidden water reservoir, which keeps your plants healthy and reduces waterings over time. This sub-irrigation system sits between the dual walls of the unit, and is easily filled using the holes on the interior of the item.)
Best Budget: T4U Plastic Rectangular Self Watering Window Box White Set of 2, Modern Decorative Planter Pot for All House Plants, Flowers, Herbs, African Violets, Succulents
(Eco-friendly and easy to clean - Allow indoor plants to thrive while saving water - Keep your home looking neat and tidy with this modern planter. Perfect for flowers, herbs, succulents or African violets - Set of 2)
Editor's Choice: Mayne Fairfield 5823W Window Box Planter, 4-Foot, White
(Plant pots are made from 100% high-quality polyethylene for long-lasting beauty The double wall design creates a water tank, which means you'll have plenty of water to water your plants.Planters come in a variety of colors, so you can find the perfect pot for your home or garden.)

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Last update on 2023-02-07 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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Do self-watering window boxes work?

Self-watering window boxes can be a great way to provide the right humidity for your plants, but they may not be the best choice for all plants. Some plants may not do well with fluctuating water levels and may prefer a more stable source of moisture.

How often should you water window boxes?

Window box watering should be done at least once per day, but it is also beneficial to do it more often if possible. If you can't water daily, try to water at least once a day.

What do you put in the bottom of a window box?

I usually put gravel or pea-sized pebbles in the bottom of the window box. This helps keep the soil moist and encourages the plant to take root in the ground.

How long do self watering pots last?

Typically, self-watering plants will last one to two weeks without re-watering. It is important to check the water level on a regular basis and refill as needed.

Do window boxes need drain holes?

Window boxes need drainage holes, but do not always require drilling. If the window box is made from a sturdy material such as plastic or metal, the window box is usually resistant to water and debris. In case the window box is made from a more fragile material such as wood, drilling a drainage hole will prevent the box from rotting and becoming unusable.


If you are looking for a way to improve your home's landscape while also providing fresh flowers and vegetables year-round, investing in a self-watering window box could be the perfect solution for you. There are many different options available on the market, so it is important to choose one that suits both the needs and style of your home. Regardless of which option you choose, be sure to follow the manufacturer's instructions carefully to get the most out of your window pane.

Lumia Shaffer
Lumia Shaffer

I'm Lumia Shaffer! I'm a Kirby Research author, with a passion for writing, I've researched and published many in-depth product research articles!
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