Contents
The Best Vegetable Garden Boxes of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Vegetable Garden Boxes of 2023. Check our ranking below.
2,500 Reviews Scanned
- Multifunctional Design: This garden planter is separated into two growing areas for different plants or planting methods. The baffle can be removed to form a bigger growing area.
- Practical Use: With this plants box, you can cultivate plants like vegetable, flower, or herbs in your patio, yard, garden, and greenhouse, making it more convenient to manage.
- Simple Assembly: This divisible garden bed is built in a simple yet stable structure by heavy-duty screws and tight connection piece by piece. It is very easy and quick to put them together.
- Flexible DIY: The corner posts have been upgraded that the number of slotting on the posts is increased from 2 on the opposite 2 faces into 4 on 4 faces. Such a change enables users to combine two or more such planting beds more flexibly and fixedly.
- Stable Construction: Our planting raised bed has a piece of complete side plate at each side of the garden bed. It is fixed firmly without leakage of soil. The whole structure is very stable, and the installation is very easy.
- LARGE PLANTING SPACE: Designed with a long bed space (5CuFt) deep enough to provide your plants and vegetables with ample room to breathe and grow healthy
- PROPER DRAINAGE: Allows excess water to drain out, keeping soil fresh and protecting plants from waterlogging or mineral buildup
- ALL-WOOD CONSTRUCTION: Naturally durable Chinese fir wood provides a water- and weather-resistant structure
- ERGONOMIC HEIGHT: The 30-inch tall design reduces excessive bending and kneeling to help preserve your back and knees as you tend to your balcony, deck, or patio garden
- RAISED GARDEN BED LINER: Separates wood from the soil, keeping the wooden garden planter in excellent condition and discouraging weeds and animals from interfering with plant growth; OVERALL DIMENSIONS: 48"(L) x 24"(W) x 30"(H); WEIGHT CAPACITY: 200 lbs.
- 【Raised Garden Bed with Greenhouse】This galvanized raised garden bed kit contains a planting bed, a greenhouse, and 2 greenhouse covers. With our perfectly matches combo set, no need to buy each of them separately, to make sure your favorite planting grows well through the whole year.
- 【2 Different Use Greenhouse Cover】POTEY raised garden bed come with PE cover and PE net, PE cover used for winter, to keep warm, and prevent vegetables and plants from being affected by low temperature; PE net used for summer, to protect your vegetables and plants while ventilating.
- 【Innovative Soil Ventilation Holes】Creating a planting environment in a plant box is different from the natural environment, where soil respiration is vital. Our plant box is equipped with vent holes that can replace fresh oxygen, making sure the plant roots grow well and strong.
- 【Strong Connecting rods】In order to keep the garden box more stable, we added 2 connecting rods in the middle of the garden box. Compared to other planting beds without rods or using thin iron sheets as rods, our connecting rods are more durable and have a long service life.
- 【Thickened Material】Galvanized raised garden beds are made of solid steel plates galvanized layer which average thickness of galvanized sheet reaches 0.6mm, can stay in contact with the soil for a long time. If you have any problems during use, please feel free to contact us, and we will solve your problems ASAP.
- BUILT TO LAST: Made of natural Chinese Fir wood to provide a gardening solution constructed to last through every season without discoloring or breaking down over the years
- EASY ASSEMBLY: Pre-sanded panels built with dovetail joints slide together and lock in place with screw-fastened posts for a quick, sturdy assembly
- MAXIMIZE SPACE: 8-foot garden bed provides ample space for plants to grow with an included liner to separate the wood from the soil and keep it in excellent condition
- GARDEN ORGANIZER: Separate and sort various types of plants, vegetables, fruits, and flowers with the included middle divider
- OUTDOOR ACCENT: Perfect decoration accessory that will complement any front or backyard, grass area, or budding garden; OVERALL DIMENSIONS: 96"(L) x 24"(W) x 10"(H)
- Each raised metal garden bed size: 4×2×1ft ,7.14Cu
- Upgraded quality and structure: raised garden beds outdoor are made of Q195 galvanized metal sheet, double-layer anti-corrosion galvanizing and oval structure design, which is more beautiful, can withstand greater pressure at the interface, is not easy to loose, and the interface will not Deformed and can be reused for many years.
- Easy to set up, this galvanized stock tank only takes about 5 minutes to easily assemble and continue planting plants.
- Open base: This planter raised garden bed metal galvanized is designed with an open base, which can effectively avoid water accumulation and decay, protect the roots of plants, and allow the roots to better absorb nutrients
- Double thickness: The average thickness of this galvanized planter galvanized sheet reaches 0.78mm, and the thickest part can reach 1.56mm, which is extremely stable. Compared with the ordinary rectangular elevated garden bed with a thickness of 0.3mm, it will be the right choice for you. buy it! ! !
- 2FT GROWING DEPTH: 24 inches of depth holds up to 269 gallons of soil-great for medium to deep rooting plants and vegetables like broccoli, beans, and more. Note: This product does not include a bottom panel
- TOOL-FREE ASSEMBLY: Beveled steel panels come together with a set of included wingnuts and bolts with rubber edging for your added safety
- BUILT TO LAST: Made of powder-coated steel panels, this garden bed is the perfect, sturdy planter for romaine lettuce, cucumbers, strawberries and other seasonal crops
- IDEAL COMPOST BED: An open base combined with the ribbed steel makes this the perfect space to layer yard waste, food scraps, and other additives to create enriched soil at home
- INNER STABILIZING BARS: Two steel support bars help the metal panels retain their shape, preventing warping and soil leakage over time; OVERALL DIMENSIONS: 72"(L) x 36"(W) x 24"(H)
- Scientific Design: Bottom Water Reservoir and Air hole circulation system that provides ample moisture to the plants. This reservoir acts as a constant water source and oxygen, promoting healthy root development and overall plant vitality.
- Upgrade Heightened: The upgraded version features an elevated planter box with heightened walls, allowing for a greater volume of nutrient-rich soil. The increased capacity accommodates a larger quantity of soil, promoting better root growth.
- Tower Design: The planter box features a unique 4 corner tower design, providing abundant growing space for plants. This design maximizes the vertical space, allowing plants to grow taller and spread out.
- Indoor&Outdoor Use: Designed to be versatile, the planter box with a climbing frame is suitable for both indoor and outdoor settings. Whether you want to create a lush green corner indoors or enhance your outdoor space.
- Exquisite Packaging: For your family, friends, and gardening enthusiasts. This unique and thoughtful choice will bring them joy and delight.
- FITS SEAMLESSLY INTO YOUR LIFE- This 4x2x1 ft open-base raised garden bed has all the space you need in order to grow your dream garden! Whether you're planting your own fruits, vegetables, or flowers, it provides a safe environment for your plants to thrive. With a wide range of sizes and styles to choose from, our garden beds can be customized to fit your space and style preferences. The Plant & Plot garden bed is the perfect addition to your outdoor space!
- EFFORTLESS ASSEMBLY, LIKE NO OTHER! Begin your planting journey by choosing our innovative patent-pending design, featuring the perfect combination of easy assembly and durability. Thanks to our unique tool-free design, assembly is a breeze and can be completed in just 20 minutes! Get started on your garden right away and enjoy fresh, healthy produce in no time.
- BUILT TO LAST- The Plant & Plot garden bed is treated to withstand everyday wear and tear due to its 0.6mm thick, galvanized metal sheets and a highly durable zinc coating. Our prime materials ensure the garden bed is sturdy and maintains its shape over time. From heavy rain to extreme heat, we made sure to protect your garden bed from rust and corrosion, so it's the perfect choice if you're looking for a long-lasting solution.
- SUPPORTING OUR COMMUNITY- As a small, family-owned business we focus on giving back to our community. A portion of every purchase goes to providing garden beds to schools and communities in need, in the hope of promoting healthy, lifelong eating habits. At Plant & Plot we believe that gardening is a great way to bring people together. By providing a shared gardening space, we strive to help foster a sense of community and collaboration.
- FREE 3-YEAR WARRANTY- We understand that investing in a garden bed is a long-term commitment, so there are many factors to consider. With our warranty you can feel confident in your purchase. Enjoy the peace of mind that comes with knowing your garden bed is protected.
- Pack Of 02 Raised Garden Bed- Add a new level of convenience to your gardening experience with the Galvanized Raised Garden Bed. Enjoy expanded yield and a more assembled garden layout with this garden accessory, each sized at 120 cm X 60 cm x 30 cm.
- Open Base Design- The open base design of the garden box let the plants' roots increase freely into the soil, gaining a broad nutrient system. Securing proper drainage, better ventilation, and healthier root systems for more lively plants and abundant harvests.
- Lightweight Galvanized Steel- The outdoor raised garden beds are made from lightweight galvanized steel, ensuring exceptional longevity and durability. Also, it prevents it from corrosion and rust, offering a long-lasting gardening solution. Moreover, the middle support strip provided exceptional strength to our lightweight Galvanized Raised Garden Bed.
- Easy To Install- Set up your garden bed in just a few minutes. With no complex tools or expertise needed, the lightweight galvanized-steel build allows for easy movement, making it easy to find an ideal spot for your garden.
- Care Instructions - Wiping the planter raised bed with a soft cloth and warm water to remove stains and soil particles is recommended. To eliminate any moisture, please wipe dry with a cloth and air dry.
- Upgraded Galvanized Material: Raised garden beds outdoor is made of double-layer galvanized metal sheet with anti-rust coating to avoid rusting. The nuts and bolts are also galvanized. Super stability and rust resistance.
- Double Thickness Super Stability: The thickness of the planter box is 0.6 mm, and the thickest overlap of galvanized sheets can reach 1.2 mm.Adding screw fastening edge at the interface. Oval shape that won't deform allows it to hold a large amount of soil.
- Safe Rubber Edge: Top edge of the metal raised garden bed comes with a black rubber sealing edge for reinforcement as well as to prevent injury.Extra large growing space is perfect for most plants in the garden.
- Easy to Assemble: Galvanized raised garden bed kit with detailed assembly instructions and gloves to get you assembled in just 10 minutes, complete with extra galvanized nuts and bolts. You can move it anywhere to assemble it or carry it to where you want.
- Open Bottom Design: Open base provides good drainage and effectively protects the roots from rotting due to excessive watering.Metal garden bed allow you to enjoy fresh and healthy vegetables,fruits and flowers in your backyard, garden and greenhouse.
- Reasonable Size and Wood Combination: MIXC raised garden beds is made of untreated fir wood, which resists warping and splitting over time better than cedar. The support part is made of Pinus radiata with better load-bearing properties. Overall Dimension: 48”(L) X 24.4”(W) X 31”(H). 9” Deep.
- Application of Building Science: Based on the advice of woodworking experts, A structure of columns and beams is used in MIXC g arden bed, making the planting bed stronger than dovetail joint. It is dimensionally accurate to the millimeter level for each component, based on structural mechanics and the properties of wood. The table legs are painted with waterproof paint that can effectively prevent the legs from rotting. The service life is up to 3 years in outdoor environment.
- Drainage Holes & Inner Liner: Four drainage holes are convenient to drain out excess water. Besides, A Waterproof PE rubber membrane(67”*55”) is provided for you to DIY. The liner helps to keep soil and moisture from rotting the wood.
- Why Choose Us: With very understanding the garden bed’s weakness, we, as a professional gardening product brand, are dedicated to solving the problem. Many other products run out of steam after a few months of use. That's why we spend a lot of time on research to improve the performance of our products, just so that the plants can stay with you safely after starting your growing process. We focus more on the long-term value than just price!
- What You Get: One garden bed + Black waterproof PE film+ screwdriver + Installation guide, MIXC worry-free 24-month warranty, and friendly customer service
- Raised Garden Bed: Cultivate plants like vegetables, flowers, herbs in your patio, yard, garden, and greenhouse
- Durable Construction: Made of steel plates galvanized layer and 2 layers of anti-corrosion paint for strong anti-rust performance
- Open Bottom Design: Built with an open base to prevent water buildup and rot while allowing roots easy access to nutrients
- Side Ventilation: Facilitates the removal of excess water to enhance plant respiration
- Easy Assembly: Simple and stable structure designed for quick and easy assembly with included hardware and instruction manual
- Upgraded raised garden bed planting box: With multi-layer design tomato planter boxes, total length 52 inches, provide ample space for plants to produce, the planting box size is 12*12*12 inches, which prevents more area of soil to replenish plant nutrients, the garden trellis can be flexibly adjusted in height according to the production needs of the plants, assembled into a 1, 2, 3, 4 tier tower structure. Easy to store and won't take up too much space
- Self-watering and air circulation system: Self-watering tomato grower with trellis has a built-in water reservoir that keeps the soil moist to protect the plants and reduce frequent watering efforts.Bottom grid design utilizes a siphon effect that allows roots to pump water efficiently, minimizing the risk of under or over draining, preventing root rot and keeping the soil fresh, as well as allowing plants to breathe well. plant tower planter is more convenient and less expensive to maintain.
- High quality material: The large Raised Garden Bed Planter Box with trellis is made of fade-proof, uv-resistant and high-quality pp material, and the lattice bracket is made of high-quality pe, which is rust-resistant, fade-proof and anti-aging. It can withstand any weather in any outdoor area and can also be used year-round in an enclosed sunroom, safe and durable.
- Versatile support for climbing plants:Tomato planter boxes raised garden bed provide vertical support for all indoor and outdoor climbing plants. In addition to tomatoes, they are perfect for growing beans (peas, fava beans, and green beans), cucumbers, squash, and zucchini, among other vining vegetables. Our adjustable plant support towers provide optimal support for plants as they grow. It's a must-have for a thriving garden and promotes healthier, more productive vining plants.
- Multiple uses:MQUPIN Tomato Planter Boxes and lattice brackets are at the perfect height, with plenty of room to grow climbing plants, the flower boxes are designed to be versatile with climbing frames for both indoor and outdoor environments. Whether you want to create a lush green corner indoors or enhance your outdoor space. Perfect gift for family, friends and gardening enthusiasts.
- ✔ SIZE: 96''(L) x 48''(W) x 12''(H), provide extra large growing space to raise vegetables, herbs, flowers and plants
- ✔ LONG TIME: Made of stable thickened galvanized metal, strengthen crossbar with anti-rusty coating for long-time use
- ✔ OPEN BOTTOM: Sits on the ground garden bed, provide good drainage, keep weeds away from soil, defense against pests, and protect your plants
- ✔ SAFETY: Bottomless design, plants didn't touch the metal and eco-friendly coating do not contaminate soil, safe for plants and humans
- ✔ EASY SETUP: Only need about 5min and easy to put it together, go ahead to raise the plants
- 👍EFFECTIVE DRAINAGE SYSTEM: The raised garden beds outdoor combining 2 crossing drainage lines with 5 drainage holes, Allows excess water to drain out and prevent the waterlogging. It ensures proper airflow to promote your plants’ growth.
- 🌿MOBILE GARDEN CART: Raised Planter Boxes with legs handlebar adopts a triangular structure with four support points. More sturdy and consistent ,Ergonomic handlebar with wheels make pushing and pulling garden cart simple and comfortable;Safely tend to your plants while standing up without hurting your back;
- 🌸HIGH QUALITY MATERIALS: Outdoor herb garden planter for patio is made by more sturdy steel with anti-rusty powder coating, easy load-bearing 400LBS .This is not made of wood which may rot. Can place outdoor or indoor for long time .
- 🌼ERGONOMIC DESIGN: Raised garden bed with legs height is 31.6 inch, people who have a backache or knee pain can easily manage plants, don’t need to bend down or keep down making gardening convenient.
- 🌷SPACE SAVE: Space saving standing planter raised beds with rectangular shape easy to place on garden, patio, balcony or deck .big storage shelf 37X13.4inches holds accessories or tools for planter,big planter box can holds 2.5 cubic feet of planting soil.
- HAPPY GARDENING - Linksandt grow bags are specially designed for all spaces, including indoor and outdoor, so that you can start gardening anywhere and in any season. Set up our raised garden bed in your backyard, balcony, or urban spaces and start to enjoy gardening!
- UPDATED DRAINAGE SYSTEM - Different from other brands, Linksandt raised garden bed is made of 400g non-woven fabric, with 3 drain holes added at the bottom, which means that the grow bag will not retain excess water, allowing the roots to breathe, so that the plants can grow healthier and more vigorously.
- PlANTS GROW HEALTHIER - The breathable non-woven fabric provides more oxygen for the roots, which can grow healthily through air pruning. The partition divides the 3 sq. ft. raised bed into three spaces to prevent different plant roots from twining.
- PORTABLE & DURABLE - Compared with wooden or metal raised garden bed, our fabric plant pots can be washed and reused, and can be folded for easy storage without taking up space.
- Dimension - 21 Gal, 3Ft*1Ft*1Ft
- FITS SEAMLESSLY INTO YOUR LIFE- This 4x2x1 ft open-base raised garden bed has all the space you need in order to grow your dream garden! Whether you're planting your own fruits, vegetables, or flowers, it provides a safe environment for your plants to thrive. With a wide range of sizes and styles to choose from, our garden beds can be customized to fit your space and style preferences. The Plant & Plot garden bed is the perfect addition to your outdoor space!
- EFFORTLESS ASSEMBLY! Begin your planting journey by choosing our design, featuring the perfect combination of easy assembly and durability. Get started on your garden right away and enjoy fresh, healthy produce in no time.
- BUILT TO LAST- The Plant & Plot garden bed is treated to withstand everyday wear and tear due to its 0.6mm thick, galvanized metal sheets and a highly durable zinc coating. Our prime materials ensure the garden bed is sturdy and maintains its shape over time. From heavy rain to extreme heat, we made sure to protect your garden bed from rust and corrosion, so it's the perfect choice if you're looking for a long-lasting solution.
- SUPPORTING OUR COMMUNITY- As a small, family-owned business we focus on giving back to our community. A portion of every purchase goes to providing garden beds to schools and communities in need, in the hope of promoting healthy, lifelong eating habits. At Plant & Plot we believe that gardening is a great way to bring people together. By providing a shared gardening space, we strive to help foster a sense of community and collaboration.
- FREE 3-YEAR WARRANTY- We understand that investing in a garden bed is a long-term commitment, so there are many factors to consider. With our warranty you can feel confident in your purchase. Enjoy the peace of mind that comes with knowing your garden bed is protected.
- 【Sufficient space for planting】This garden bed planter is separated into two growing areas for different plants or planting methods. The baffle can be removed to create a bigger growing area if needed. You can get several garden beds to design and build your own dream garden.
- 【Selected material】 Our raised garden bed is made of no paint, non-toxic wood and left untreated, which means it is organic and safe to grow vegetables, herbs, and fruits in.
- 【Stable frame】The whole construction is made of long-lasting solid fir wood which is stable and durable enough to strongly support the weight of the garden bed itself and plant. This will save cost for you.
- 【Nice look and practical use】This plant bed measure is 95" x 24" x 10" (L x W x H). Not only can be placed on patios, porches, decks, or gardens to plant various plants, but it can also be used as a decorative work. (package size:48.03"L x 5.9"W x 6.3" H)
- 【Easy assembly】This garden bed planter requires no screws and no tools, you can make this in the simplest way, combined with natural wood colors and traditional wood inlay techniques, this makes for a unique planter box.
- 2FT GROWING DEPTH: 24 inches of depth holds up to 478 gallons of soil-ideal for medium to deep rooting plants and vegetables like broccoli, beans, and more. Note: This product does not include a bottom panel
- IDEAL COMPOST BED: An open base combined with ribbed steel makes this the perfect space to layer yard waste, food scraps, and other additives to create enriched soil at home
- TOOL-FREE ASSEMBLY: Beveled steel panels come together with a set of included wingnuts and bolts with rubber edging for your added protection
- BUILT TO LAST: Made with powder-coated steel panels and three stabilizing rods, this garden bed is the perfect, sturdy planter for romaine lettuce, cucumbers, strawberries and other seasonal crops
- 64 CUBIC FEET: The large planting space makes this the ideal place to set up a self-contained micro-environment for unique and non-native plants; OVERALL DIMENSIONS: 96"(L) x 48"(W) x 24"(H)
- Size: 60×29×11 in, 68 gallons of soil required.
- Built to Last: Our raised garden beds outdoor are made of 0.8mm galvanized metal sheet, double-layer anti-corrosion galvanizing and oval structure design. Compared with the ordinary rectangular elevated garden bed with a thickness of 0.3mm, it will be the right choice for you.
- Open Bottom: This galvanized planter is designed with an open base, which can effectively avoid water accumulation and decay, protect the roots of plants, and allow the roots to better absorb nutrients.
- Easy to Assemble: The raised garden bed is very easy and quick to put together, even if you're older. Necessary hardware and instruction are included.
- Warranty: 30 days free return, one year warranty.
Last update on 2024-08-14 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best Vegetable Garden Boxes?
Do you get stressed out thinking about shopping for a great Vegetable Garden Boxes? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Vegetable Garden Boxes, which is why we have assembled a comprehensive list of the greatest Vegetable Garden Boxes available in the current market. We’ve also come up with a list of questions that you probably have yourself.
We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Vegetable Garden Boxes that you consider buying. Your questions might include the following:
- Is it worth buying an Vegetable Garden Boxes?
- What benefits are there with buying an Vegetable Garden Boxes?
- What factors deserve consideration when shopping for an effective Vegetable Garden Boxes?
- Why is it crucial to invest in any Vegetable Garden Boxes, much less the best one?
- Which Vegetable Garden Boxes are good in the current market?
- Where can you find information like this about Vegetable Garden Boxes?
We’re convinced that you likely have far more questions than just these regarding Vegetable Garden Boxes, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for Vegetable Garden Boxes, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Vegetable Garden Boxes. Make sure that you are only using trustworthy and credible websites and sources.
We provide an Vegetable Garden Boxes buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Vegetable Garden Boxes currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of Vegetable Garden Boxes has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Vegetable Garden Boxes?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Vegetable Garden Boxes.
- Customer Ratings: Number ratings grade Vegetable Garden Boxes objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Vegetable Garden Boxes.
- Product Quality: You don’t always get what you pay for with an Vegetable Garden Boxes, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Vegetable Garden Boxes is should be an indication of how long it will work out for you.
We always remember that maintaining Vegetable Garden Boxes information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding Vegetable Garden Boxes is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.
FAQ:
Q: How do you make a vegetable garden box?
A: Prepare the vegetable garden box. Drill drainage holes into the base of the box that cover the entire base. Cover the base with an inch of gravel to help with drainage. Fill the box with potting soil up to an inch of the lip. Keep the soil even and loose. Add organic compost using a ratio of 3-to-1 soil-to-compost mix.
Q: How do you design a vegetable garden box?
A: Fill the box with a 4-to-5-inch layer of topsoil. Spread the soil evenly using a shovel. Tamp the soil down lightly. Add an additional 4 to 5 inches of soil to the box. Spread the soil around evenly and tamp it down lightly. Water the soil in the raised vegetable garden box thoroughly with a garden hose before planting.
Q: Can you grow any vegetables in planter boxes?
A: Choose well-draining planter boxes to grow your vegetables in. All types of vegetables need well-drained soil in which to thrive. Without drainage, the vegetables will get root rot and die. Also, planter boxes should be between 1 gallon and 3 gallons per plant so the vegetable’s roots have enough room to grow.
Q: How do you plant a box garden?
A: How to Plant a Window Box Garden One – Carefully select flowers and plants for your window box. Two – line your box with plastic. Three – it’s time to add potting mix. Four – carefully cut away the excess plastic. Five – Fertilize! Six – We’re now ready to plant our flowers! Seven – Fill the watering can and water the transplants.