How to Build a Planter Box for a Small Tree

Adding a small tree to a garden can enhance its overall appeal. However, for various reasons, planting a tree directly into the ground may not be feasible. The best solution in such a scenario is to build a planter box to hold the tree. This article will guide you through the process of creating your own planter box.

Step 1: Gather your Supplies

To build a planter box for a small tree, you will need:

Wood boards - sufficient to form the frame of the box (pressure-treated wood is a good choice as it is resistant to decay and insect damage)

2-inch galvanized screws

Staple gun

Landscape fabric or weed barrier

Topsoil

Small tree or sapling

Step 2: Build the Frame

Begin by constructing the frame of the planter box. This is done by cutting four boards to equal size, two for the length and two for the width, depending on how large you want your planter box to be. Next, assemble the pieces using 2-inch galvanized screws to form a rectangle or square shape.

Step 3: Add Landscaping Fabric

Once the frame is complete, line the inside with landscaping fabric or weed barrier. It is essential to prevent the growth of weeds or grass inside the box, which could compete for the tree's nutrients, and limit its growth.

Step 4: Fill with Topsoil

After lining the frame, fill the planter box with topsoil, providing space for the tree roots to grow. Depending on the size of the tree, you may need to fill the box to a few inches below the top, leaving enough space for watering.

Step 5: Plant the Tree

Plant the tree in the center of the planter box. Ensure that you cover the roots entirely with soil and pat down firmly, creating a strong foundation for the tree to grow. After planting, give the tree adequate water to ensure it takes root and begins to grow healthily.

Step 6: Maintenance

Once the tree is planted, regularly check to ensure that the planter box has enough moisture. Additionally, maintain the box's soil nutrients, as appropriate, for the tree variety you have planted.

In conclusion, building a planter box for a small tree is an easy and effective way to add beautiful foliage to a garden. By following these simple instructions, you can create a planter box that will provide the perfect environment for your chosen tree to grow and flourish for years to come.