
Box cedar is a popular choice for outdoor projects because it's naturally resistant to rot, decay, and insects. Western red cedar is a type of box cedar that's often used for planters and other outdoor furniture.
To build a planter box using box cedar, you'll need to gather the necessary materials, including 2x6 or 2x8 cedar boards, depending on the size of your project. Cedar is a durable wood that can withstand outdoor weather conditions.
Box cedar planters are perfect for adding a touch of natural beauty to your outdoor space. Western red cedar is a versatile wood that can be stained or left to weather naturally.
Before you start building, make sure to cut your cedar boards to the correct size, using a saw or a miter saw for precise cuts.
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DIY Tutorial
To start your DIY cedar planter box project, you'll need seven 5-1/2″ x 6′ cedar fence post boards.
These boards will form the base and sides of your planter box. You can find them at Home Depot or your local hardware store. Make sure to choose high-quality cedar boards that are resistant to rot and insect damage.
Cut the boards to the required length using a chop saw or table saw.
Curious to learn more? Check out: Aromatic Cedar Boards
Step-by-Step Instructions
To start your DIY project, gather all the necessary materials as outlined in the "Materials Needed" section. This will save you time and frustration in the long run.
Make sure to read through the instructions carefully before beginning, as the project's complexity may vary depending on the specific task.
Begin by measuring and cutting the wooden planks to the required length, as specified in the "Cutting and Measuring" section.
Use a tape measure to ensure accuracy, and consider using a miter saw for precise cuts.
Next, assemble the frame using the screws and nails listed in the "Tools and Hardware" section.
Follow the manufacturer's instructions for the specific type of screw you're using, as some may require pre-drilling or special handling.
Design Considerations
When designing your DIY project, consider the materials you'll need and how to acquire them.
Choose materials that are readily available and won't break the bank, like the wooden planks used in the outdoor table project.

Keep in mind that the type of wood you use can affect the project's durability and lifespan, as seen in the comparison between pine and cedar wood in the outdoor furniture section.
A good design should also take into account the tools required for the project, such as the power drill and saw used in the deck building tutorial.
Make sure to have all the necessary tools and materials before starting the project to avoid delays and frustration.
The size and shape of the project should also be considered, taking into account the space available for the finished product, as shown in the planter box design.
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Trimming and Maintenance
Box cedar is a relatively low-maintenance tree, but it does require regular trimming to maintain its shape and promote healthy growth. Prune your box cedar in the spring, removing any dead or damaged branches.
The ideal time for pruning is when the tree is dormant, which is usually in late winter or early spring. This allows the tree to heal quickly and reduces the risk of disease.
To trim your box cedar, use sharp, clean pruning tools and make clean cuts just above a growth node. This will help the tree heal quickly and prevent disease.
Regular pruning also helps to control the size and shape of your box cedar, making it easier to maintain.
Curious to learn more? Check out: How to Clean Cedar Chest
Building and Construction
Building your cedar planter box is a fun and rewarding project that requires some basic tools and materials. You'll need to purchase cedar planks and create a workspace in a dry area.
To prepare your planks, apply 2 coats of Penofin to protect the wood and make it look great. We only applied it to the outside area to avoid any potential issues with our organic garden.
Trimming your planks is essential to get the right size. Cut 1/2" off each end to create a flat surface. This will make it easier to assemble the box.
To determine the height of your box, stack 3 boards on top of each other and measure. You'll need to cut 4 by 4 posts to the same size as the stacked boards, or estimate around 15" for a total of 4 pieces.
The total number of pieces you'll need for the box is 13: 9 cedar planks and 4 posts. To assemble the box, start by connecting the cedar plank side and end pieces using exterior deck screws and a drill.
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Here's a breakdown of the 9 pieces of cedar you'll need:
- 3 long planks for the sides
- 3 short planks for the ends
- 3 more planks for the middle layer
Remember to build the box in the location where you plan to use it, as it can be heavy and awkward to move once it's built.
DIY Materials and Tools
To make a DIY cedar planter box, you'll need some basic tools and materials. You can get most of these from your local hardware store or Home Depot.
The list of materials is relatively short and straightforward. For example, you'll need seven 5-1/2″ x 6′ cedar fence post boards.
You'll also need a 2”x2”x8’ common board, which is a standard size that's easy to find. A plastic, Square Flower Pot is also required for this project.
For the tools, you'll need a chop saw, which is a type of saw that's specifically designed for cutting through thick materials. A table saw is also necessary, as it's used for making precise cuts.
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To assemble the planter box, you'll need exterior wood glue, such as Gorilla Glue brand. This type of glue is specifically designed for outdoor use and can withstand the elements.
Here's a summary of the materials and tools you'll need:
- Seven (7) 5-1/2″ x 6′ cedar fence post boards
- One (1) 2”x2”x8’ common board
- Plastic, Square Flower Pot
- Exterior Wood Glue (e.g. Gorilla Glue)
- Chop Saw
- Table Saw
- Nail Gun & Nails
Frequently Asked Questions
What is a cedar box used for?
Cedar chests and boxes are used to protect clothing, linens, and other items from moths and damage. They're a natural and effective way to preserve precious family heirlooms and keep them looking their best for generations.
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