Best Window Boxes of 2025

Steven Taylor Avatar
Steven Taylor
Last Updated: Jan 14, 2025

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Window boxes are a charming and practical way to add a touch of greenery to any home or apartment. These decorative planters are designed to fit snugly against a windowsill, providing a perfect spot for flowers, herbs, or even small vegetables. They come in a variety of materials, including wood, metal, and plastic, and can be customized to complement any home's style. With proper care and attention, window boxes can provide a beautiful and low-maintenance way to enjoy the benefits of gardening without the hassle of a full-sized garden.

At a Glance: Our Top Picks

Mayne Fairfield 3ft Window Box - Black Cover #TOP 1
Mayne Fairfield 3ft Window Box - Black
ftb score rating icon 9.8
GROWNEER 3 Packs 17 Inches Black Flower Window Box Planters Cover #TOP 2
GROWNEER 3 Packs 17 Inches Black Flower Window Box Planters
ftb score rating icon 9.7
Mayne Fairfield 4ft Window Box - White Cover #TOP 3
Mayne Fairfield 4ft Window Box - White
ftb score rating icon 9.5

Top 10 Window Boxes

#TOP 1

Mayne Fairfield 3ft Window Box - Black

5822B
Black
Mayne Fairfield 3ft Window Box - Black Cover
Mayne Fairfield 3ft Window Box - Black - Durable Self Watering Resin Planter with Wall Mount Brackets (5822-B)

The Mayne Fairfield 3ft Window Box is a durable and lightweight planter made from high-grade Polyethylene resin, making it resistant to high impact, chemicals, and extreme weather conditions. The innovative double-wall design provides adequate insulation from surrounding weather conditions, and the built-in water reservoir ensures that your plants stay watered and happy. With the Mayne Advantage, this window box comes with a 15-year residential warranty or a 5-year commercial warranty. It has a weight of 13.5lbs, 36in L x 11in W x 10.8in H of outside dimensions, 32.4in L x 7.4in W x 8in D of inside dimensions, and approximately 3 gallons (11.35 liters) water reservoir capacity and 6.5 gallons (24.6 liters) soil capacity.

What We Like
Sturdy construction
Easy installation
Attractive design
Self-watering feature
Lightweight for handling
What We Don't Like
Lightweight fasteners
Potentially large size

GROWNEER 3 Packs 17 Inches Black Flower Window Box Planters

FWP001B-17IN-3P
Black
3pcs/17x7.2in
GROWNEER 3 Packs 17 Inches Black Flower Window Box Planters Cover
GROWNEER 3 Packs 17 Inches Black Flower Window Box Plastic Vegetable Planters Long Pots with 15 Pcs Plant Labels for Outdoor Indoor Windowsill, Patio, Garden, Home Decor, Porch

The GROWNEER 3 Packs 17 Inches Black Flower Window Box Planters are perfect for indoor and outdoor plants, flowers, vegetables, and strawberries. The high-quality, durable, and eco-friendly plastic planter comes with an attached tray that stores water drained out of the pot to keep your area clean. The unique bottom design includes raised pot feet, 4 opened drainage holes, and 4 reserved drainage holes, providing proper airflow and water drainage, promoting the plants' growth. Widely used in windowsill, patio, garden, porch, or other indoor outdoor occasions.

What We Like
Ideal size for various plants
Durable plastic material
Comes with plant tags
Good for indoor and outdoor use
Easy to carry and install
What We Don't Like
Some damage reported
Depth could be better
#TOP 3

Mayne Fairfield 4ft Window Box - White

5823-W
White
Mayne Fairfield 4ft Window Box - White Cover
Mayne Fairfield 4ft Window Box - White - Durable Self Watering Resin Planter with Wall Mount Brackets, Plastic (5823-W)

The Mayne Fairfield 4ft Window Box is a durable, lightweight and highly shock resistant product made of 100% high-grade Polyethylene resin. Its built-in UV inhibitors ensure that the product doesn't fade and preserves its color, thus increasing its overall lifespan. The double-wall design makes it sturdy, and provides insulation from surrounding weather conditions. Its self-watering factor keeps your plants watered and happy. This product comes with a 15-year residential warranty or a 5-year commercial warranty.

What We Like
High quality construction
Lightweight and easy to install
Self-watering features
Attractive design
Durable over time
What We Don't Like
May lose shape when full
Stains and mold issues reported
#TOP 4

Mayne Fairfield Window Box 5ft Black

5824B
Black
Mayne Fairfield Window Box 5ft Black Cover
Mayne Fairfield 5ft Window Box - Black - 60in L x 11in W x 11in H - with 4.7 Gallons Built-In Water Reservoir (5824-B)

The Mayne Fairfield Box is a durable and lightweight 5ft window box made of 100% high-grade Polyethylene resin. With its four-season use feature, it can withstand high impact, chemicals and extreme weather conditions with very little winter preparation. The built-in UV inhibitors reduce the damaging effects of the sun, ensuring that the box doesn't fade and increases its overall lifespan. The double-wall design makes it sturdy and provides the roots and potting mix with adequate insulation from surrounding weather conditions. Additionally, the self-watering feature keeps your plants watered and happy, and the Mayne Advantage offers a 15-year residential warranty or a 5-year commercial warranty on this window box.

What We Like
Sturdy construction
Attractive design
Built-in drainage
Long-lasting durability
Easy installation
What We Don't Like
Missing hardware occasionally
Customer service response delay
#TOP 5

DUNCHATY 24" Railing Planter

Railing planter 2 Pack
2 Pack
DUNCHATY 24" Railing Planter Cover
DUNCHATY Railing Planter Window Box - 2 Pack 24" Horse Trough Planter with Coco Fiber Liner - Deck Balcony Rail Planter for Porch Fence Patio Outdoor

The DUNCHATY Railing Planter offers an easy installation process with four different setup options, making it convenient for you to place it wherever you like. Its rust-resistant design features an industry-leading five-layer coating, ensuring durability and longevity. With the ability to hold up to 3.5 gallons of soil, this planter provides ample space for your plants to thrive. Additionally, the solid welding construction guarantees strength, allowing you to enjoy your greenery without worry.

What We Like
Natural material base
Multiple mounting options
Easy installation
Includes necessary hardware
Removable and adjustable
What We Don't Like
Difficult to attach to railing
#TOP 6

Mayne 4826-W Yorkshire Window Box

4826-W
White
6-Foot
Mayne 4826-W Yorkshire Window Box Cover
Mayne 4826-W Yorkshire Window Box, 6-Foot, White

This window box is made of high-quality vinyl that makes it durable and lightweight, with a shock-resistant design. Its double-wall insulation provides the potting mix with adequate insulation from weather conditions. Additionally, this self-watering window box has a water reservoir that keeps your plants hydrated through capillary action, and it can be customized and painted to your preference. Assembly is easy and takes approximately 15 minutes.

What We Like
Sturdy plastic material
Easy to assemble
Included strong brackets
Good water reservoir
Attractive design
What We Don't Like
Glue application difficulties
Heaviness of the product
#TOP 7

Bloem Dura Cotta Window Box, 30-Inch

DCBT30-42
Living Green
Bloem Dura Cotta Window Box, 30-Inch Cover
Bloem Dura Cotta Window Box Planter: 30" - Living Green - Large Box with Tray, Weatherproof Resin Box, Removable Tray for Indoor & Outdoor Use, Gardening, 4 Gallon Capacity

The Bloem Dura Cotta Window Box is a durable and strong planter that features a removable saucer tray to capture excess water, pre-drilled holes for drainage, and a matte finish that resists scratches, dirt, and fingerprints. Its dimensions are 30 inches in top width, 27 inches in base width, 5.75 inches in height, and 7.5 inches in depth. This planter is perfect for keeping your plants healthy and your space clean.

What We Like
Sturdy construction
Fast shipping
Made in the USA
Good size for display
Great price
What We Don't Like
Missing item initially
#TOP 8

Mayne Nantucket 5ft Window Box - White

4832-W
White
Mayne Nantucket 5ft Window Box - White Cover
Mayne Nantucket 5ft Window Box - White - 60in L x 11.5in W x 10in H - with 6.5 Gallon Built-in Water Reservoir (4832-W)

The Mayne Nantucket 5ft Window Box in White is a durable, all-season product made from high-grade Polyethylene resin that is lightweight and shock-resistant. With built-in UV inhibitors to protect against sun damage, the double-wall design provides excellent insulation for potting mix and roots. The self-watering feature keeps your plants hydrated with very little maintenance required. With a 15-year residential or 5-year commercial warranty, this product is made in the USA and proudly designed in Canada.

What We Like
Beautiful design and materials
Easy to install
Sturdy and durable
Includes water reservoir
Great customer service
What We Don't Like
Surface slightly porous
Matte finish may not match
#TOP 9

Southern Patio 36 Inch Planter (2 Pack)

Black
2 Pack
Southern Patio 36 Inch Planter (2 Pack) Cover
Southern Patio 36 Inch Rectangular Indoor Outdoor Medallion Hanging Windowsill Garden Box Planter, Black (2 Pack)

The Southern Patio Window Box is a versatile solution for adding greenery to your indoor or outdoor spaces. With two 36-inch planters included, you can easily enhance your window area. Made from weather-resistant and UV-protected resin, these planters withstand the elements, allowing you to enjoy your plants without worry. Their simple and functional design complements your plants beautifully, making your garden look polished. Plus, the built-in drainage holes ensure that excess water escapes, preventing overwatering and root rot. This means you can focus on enjoying your plants instead of worrying about their care.

What We Like
Sturdy construction
Well made
Reasonably priced
Fast delivery
Perfect fit for railings
What We Don't Like
Not as sturdy as expected
#TOP 10

Fasmov 7 Pack 17" White Planters

7pack, White
Fasmov 7 Pack 17" White Planters Cover
Fasmov 7 Pack 17 Inches White Flower Window Box Plastic Vegetable Planters with Trays Vegetables Growing Container Garden Flower Plant Pot for Balcony, Window Sill, Patio, Garden, White

The Fasmov White Planters are made from high-quality plastic, ensuring durability for multiple planting seasons. With a perfect size of 17 inches in length and 7.4 inches in width, these planters provide ample space for your plants while fitting neatly on windowsills or patios. The unique bottom design features six drainage holes which help prevent overwatering, giving your plants the right environment to thrive. Additionally, their modern shape and classic color make them an attractive addition to any home decor, allowing you to showcase your plants beautifully.

What We Like
Sturdy and strong material
Great for various plants
Good size for seedlings
Value for the price
Versatile for indoor/outdoor use
What We Don't Like
Frequent watering needed
Lighter than expected
Buying Guide Image

Best Window Boxes to Fullfill Your Needs

Introduction to Window Boxes

Window boxes are a beautiful and versatile addition to any home. They add charm and curb appeal, as well as providing a space for plants and flowers to thrive. Choosing the right window box for your home can be a daunting task, but with a little bit of knowledge and consideration, you can find the perfect option to enhance your space.

Consider the Size and Shape of Your Windows

One of the most important factors to consider when choosing window boxes is the size and shape of your windows. You want to find a window box that will fit snugly against your window without covering any important features, such as handles or locks. Measure the width of your window to determine the size of window box you need. Additionally, consider the shape of your window. Round or oval window boxes can add a unique touch to a circular window, while rectangular or square window boxes are a better fit for rectangular windows.

Material Matters

Window boxes are available in a variety of materials, each with its own unique benefits and drawbacks. Common materials for window boxes include wood, metal, plastic, and fiberglass. Wood window boxes are a classic option that adds warmth and character to your home. They are also relatively inexpensive and easy to install. However, wood is susceptible to rot and water damage, so it may require regular maintenance and sealing.

Metal window boxes are another popular choice, as they are durable and long-lasting. They are also available in a variety of colors and finishes, allowing you to customize the look of your window box. However, metal window boxes can be heavy and may require additional support to prevent sagging.

Plastic and fiberglass window boxes are lightweight and easy to install, making them a good option for DIYers. They are also resistant to rot and water damage, but they may not have the same aesthetic appeal as wood or metal window boxes.

Drainage and Irrigation

Another important factor to consider when choosing window boxes is drainage and irrigation. Proper drainage is crucial to prevent waterlogged soil, which can lead to root rot and other issues. Most window boxes have drainage holes at the bottom, but be sure to check the specifications before purchasing to ensure that your plants will have proper drainage. Additionally, consider whether you want to add an irrigation system to your window boxes. This can save time and effort by automatically watering your plants, but it does add an additional cost and complexity to your setup.

Style and Design

Of course, the aesthetic appeal of your window boxes is also an important consideration. Window boxes are available in a wide range of styles and designs, from classic and traditional to modern and contemporary. Consider the overall style of your home and choose a window box that complements it. Additionally, think about the plants and flowers you want to grow in your window box. Select a design that will provide enough space and support for your plants to thrive.

Conclusion

Choosing the right window box for your home can enhance its curb appeal and provide a space for plants and flowers to thrive. Consider the size and shape of your windows, the material of the window box, drainage and irrigation options, and the overall style and design. With these factors in mind, you can find the perfect window box to complement your home.

Frequently Asked Questions (FAQs)

1. Are window boxes a good idea?

Window boxes are a great idea as they offer a way to create beautiful gardens in a small space. They provide a contained space to arrange plants and flowers, making it an ideal project for those who want to start gardening or enhance their outdoor space without completely re-landscaping their lawn.

2. What is the best material to build a window box?

When building a window box, it is important to choose materials that can withstand the elements. Good options include cedar, redwood, and treated lumber, as they are naturally weather resistant. Make sure to treat the wood with waterproofing to ensure the longevity of your window box.

3. What is the best size for a window box?

Generally, window boxes look best when they are the same width as the window. However, there can be exceptions to this rule. For example, window boxes can also be placed under, near, or slightly inside shutters or wide exterior trim pieces for a visually appealing effect.

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

Ideally, window boxes should have drainage holes. However, if your window box doesn't have them, you can line the bottom with gravel or chips from a broken terracotta pot. This helps prevent waterlogging in the soil and promotes proper drainage.

5. Are window boxes hard to maintain?

Window boxes are generally easy to maintain. However, it's important to avoid common mistakes such as using plants that are not suitable for window boxes. Choosing annual plants is recommended, and regular watering and fertilizing are necessary to keep them healthy and vibrant.

6. Do window boxes need drainage holes?

Proper drainage is crucial for plants in window boxes to thrive. While some window boxes come with drainage holes, others may not. In such cases, it is necessary to drill holes in the bottom of the window box using a drill with a one-inch paddle bit, spacing the holes six inches apart.

7. Should window boxes be longer than the window?

For the best visual effect, a window box should be at least as wide as the window. It is generally recommended not to extend the window box more than three inches beyond the trim on each side to maintain a balanced and aesthetically pleasing look.

Editor's Notes

During our window boxes research, we found 24 window boxes products and shortlisted 10 quality products. We collected and analyzed 35,386 customer reviews through our big data system to write the window boxes list. We found that most customers choose window boxes with an average price of $78.29.

The window boxes are available for purchase. We have researched hundreds of brands and picked the top brands of window boxes, including Mayne, GROWNEER, DUNCHATY, Bloem, Southern Patio. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Steven Taylor Avatar

Steven Taylor grew up in a small town called Beaufort in South Carolina and his passion for building and woodworking has led him to master the latest garden gadgets. He always holds every chance to patch up or sand down his beloved garden. There are various novel technologies in his articles.

Window Boxes Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Mayne GROWNEER Mayne Mayne DUNCHATY Mayne Bloem Mayne Southern Patio Fasmov
Color Black Black White Black 2 Pack White Living Green White Black 7pack, White
Special Feature Lightweight, Weather Resistant, Self Watering, UV Resistant Drainage Hole Lightweight, Weather Resistant, Self Watering, UV Resistant Lightweight, Weather Resistant, Self Watering, UV Resistant Rust Resistant Paintable Drainage Hole, Weather Resistant, Rust Resistant Paintable Drainage Hole Drainage Hole
Style Window Box Modern Patio Planter Traditional Rail Planter Box Modern Modern Modern Modern
Planter Form Plant Pot Box Plant Pot Plant Pot Box Box Plant Pot Box Box Nursery Pot
Material High-grade polyethylene resin Plastic Plastic Plastic Metal Plastic Plastic - Resin Plastic
Shape Rectangular Rectangular Rectangular Rectangular Rail Planter - Rectangular Rectangular Rectangular Rectangular
Indoor/Outdoor Usage Outdoor Outdoor, Indoor Outdoor Outdoor Outdoor - Outdoor, Indoor Outdoor Indoor Outdoor, Indoor
Mounting Type Window Mount Window Mount Window Mount Window Mount Wall Mount - Window Mount Window Mount Hanging,Window Mount Window Mount
Plant or Animal Product Type Bonsai, Flower, Fruit, Herb, Succulent, Vegetable Flower Bonsai, Flower, Fruit, Herb, Succulent, Vegetable Bonsai, Flower, Fruit, Herb, Succulent, Vegetable plant - Plants Plant plant Flower Window Box
Number of Pieces 1 3 1 1 2 - 30 1 2 7
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 9.0
ftb score rating icon 8.8
ftb score rating icon 8.7
ftb score rating icon 8.7
ftb score rating icon 8.7
Where to Buy