How To Build A Planter Box

Simple Raised Vegetables Garden Bed Ideas 2019 04 (With images
Simple Raised Vegetables Garden Bed Ideas 2019 04 (With images from

Planter boxes are a great addition to any garden or outdoor space. Not only do they provide a beautiful display for your favorite plants and flowers, but they also offer a practical solution for growing plants in limited spaces. Building your own planter box allows you to customize the size, shape, and materials to suit your needs and personal style. In this article, we will guide you through the process of building a planter box step by step.

1. Determine the Size and Shape

The first step in building a planter box is to determine the size and shape you want. Consider the available space in your garden or outdoor area and the types of plants you want to grow. If you’re planning to place the planter box on a balcony or patio, measure the dimensions to ensure it fits properly.

2. Choose the Right Materials

Next, choose the materials for your planter box. The most common options include wood, plastic, and metal. Wood is a popular choice due to its natural look and durability. Cedar and redwood are particularly suitable for outdoor use as they are resistant to rot and decay. Plastic planter boxes are lightweight, affordable, and come in various colors and styles. Metal planter boxes, such as those made from aluminum or galvanized steel, are sturdy and can add a modern touch to your garden.

3. Gather the Necessary Tools and Supplies

Before you start building, gather all the necessary tools and supplies. Here are some common tools and supplies you may need:

  • Tape measure
  • Saw
  • Drill
  • Screws or nails
  • Sandpaper
  • Wood glue
  • Paint or stain (if desired)

4. Cut and Assemble the Pieces

Once you have your materials and tools ready, it’s time to cut and assemble the pieces of your planter box. Measure and mark the dimensions on the wood or other chosen material, and use a saw to cut the pieces accordingly. You will need four pieces for the sides and four pieces for the corners.

Apply wood glue to the ends of the side pieces and attach them to the corner pieces using screws or nails. Make sure the corners are square and the sides are aligned properly. Repeat the process for all four corners.

5. Sand and Finish

After the pieces are assembled, use sandpaper to smooth any rough edges or surfaces. Sanding will also help the paint or stain adhere better if you decide to add a finish to your planter box. Apply the finish of your choice, allowing it to dry completely before proceeding to the next step.

6. Add Drainage Holes

Drainage is essential for the health of your plants. To prevent water from accumulating in the planter box, drill several drainage holes in the bottom. The size and number of holes will depend on the size of the planter box.

7. Fill with Soil and Plant

Once your planter box is complete and has drainage holes, it’s time to fill it with soil and plant your chosen plants or flowers. Choose a high-quality potting mix that provides good drainage and nutrients for your plants. Follow the planting instructions for each specific plant, and make sure to water them regularly.

8. Maintenance and Care

To keep your planter box looking its best, regular maintenance and care are required. Here are some tips:

  • Water your plants regularly, ensuring they receive the right amount of moisture.
  • Monitor the soil moisture level and adjust watering accordingly.
  • Remove any weeds or dead plants to maintain a clean and healthy environment.
  • Apply fertilizer as needed to provide nutrients to your plants.
  • Inspect the planter box for any signs of damage or wear, and make necessary repairs.


Building a planter box is a fun and rewarding project that allows you to add a personal touch to your garden or outdoor space. By determining the size and shape, choosing the right materials, and following the step-by-step process, you can create a beautiful and functional planter box to showcase your favorite plants. Remember to provide proper maintenance and care to ensure the longevity and health of your plants. Enjoy the process of building and watching your plants thrive in their new home!

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