Image credit: Tom Carmony

Building planter boxes for your decks adds a nice decorative touch for your landscape. Every home owner should value how the outside of their home looks too. Planter Boxes are designed to give homeowners and guests an inviting experience of nature. Most homeowners use planter boxes to decorate their decks and balconies. These boxes are often filled with colorful plants that can spread amazing aroma and charm to the ambience.

Decorative plants isn’t the only reason home owner build planter boxes. If you lack space to build a garden, you can build these boxes to grow fresh herbs, vegetables, and fruit varieties. Irrespective of whether you want a beautiful house or a functional garden, planter boxes for decks can be customized to accomplish several different tasks. This building task is much easier than you think. With the right tools and strategies, your planter box will be up in no time!

9 Perfect Ways to Build Planter Boxes For Decks

These nine helpful tips will get you started on your very own planter boxes. The steps are pretty easy and straight forward. The amount of time shouldn’t take too long to complete this task.

Tools Required for Building Planter Boxes

You require six basic tools to build planter boxes for decks. This en covers over assorted lumber, “L” angle brackets (preferably 1 inch brackets), basic hand tools, paint (or stain), plastic sheeting and plenty of nails (screws). These are basic things you buy from any hardware store.

Perfectly Sized Planter Boxes

According to experts, you should start with a perfect size for the planter box. The ultimate size will depend on the plants, space available and your requirements. A small 8×8 inch planter box will be sufficient to grow trailing vines and prized plants. However, you will require bigger planter boxes for mini herb gardens and flowering plants. Always remember to pick an ideal size for your planter boxes. Also, check if you ample space to place the planter boxes! Measure the decks and figure out the size of the biggest planter box it can accommodate.

A Picture Perfect Frame

Initially, you should focus on a perfect frame. The ultimate look of your planter boxes will depend on the frame you pick. The frame has to be strong and exceptionally perfect. To build the frame, you must make use of 2×2 lumber pieces. The lumber used to build planter box frames should be of premium quality. Thus, you must opt for untreated lumber.

The upright corners will require four perfectly cut pieces of lumber. The length of these lumber pieces should match with the desired depth of the final planter box. Conversely, cut eight smooth 2×2 lumber pieces for the lower and upper edges of the planter box. These pieces will represent the horizontal length of your planter box. The lumber pieces must be of equal size and smoothly sanded.

Positioning the “L” Angle Brackets

While building planter boxes for decks, you should start from one side and move onto the other. Always lay pieces with the final design in mind! In most cases, stick onto “L” angle brackets that will help you with positioning. Now, arrange the lumber pieces in one end and use the “L” angle brackets to secure them. Attach the upright frames to the horizontal frame using clean screws. Firstly, you must secure the side frames using two horizontal lumber pieces and two corner lumber pieces. Conversely, make use of “L” angle brackets to join the other horizontal pieces. This will make a complete box frame!

Filling the Sides and Base

Now it’s time to fill the planter box! According to experts, this is one of the finest and easiest tasks in the entire building process. To fill the planter box, you should make use of clean plywood. You can customize the look of your planter boxes for decks, by deciding on the right kind of plywood varieties! Some people tend to opt for strong, colored boards. While, many others tend to decide on metallic and wooden finishes.

Always remember that the pick you make will have a massive influence on the budget and final look of your planter box. As you cut the boards and plywood, fit them onto the bottom and side areas of the planter box frame. You can arrange the boards in several different ways. For instance, you can lay the boards horizontally, vertically or create simple patterns. Most people tend to create diagonal patterns on the planter box. Consequently, the boards should be screwed or nailed onto the frame.

Drilling the Drainage Holes

A very important parameter forgotten by many novice planter box builders would be “Drainage”. Always remember that excess water can kill your priceless plants. Conversely, you must include drainage holes in your planter boxes. These holes should be contented with your home’s external plumbing units. The drainage holes must be small and smoothly cut. The number of holes should be customized to suite the size of your planter box. For instance, a small 4×6 planter box should have at most three drainage holes. Drill the holes on a solid board that does not have cracks or joints. Also, don’t drill drainage holes near joints.

A Clean Base for Your Planter Box

“Base” is an optional feature in planter boxes. Technically, the base represents a scalloped frame that looks and feels like feet attached to the corners of the planter box. You can create them by cutting two 16-inch and two 13-inch lumber pieces. These pieces will act as the base of the box. Mark the contours for the scallops and attach the pieces to the box using nails. Always make sure that the top sides of the scallop touches the box and the bottom sides are firmly placed on the ground.

An Optional Step!

To finish the planter box, you must add an optional “L” molding to its edges. Additionally, you can include small rolling casters on the bottom corners to move your planter box easily.

Paint Your Planter Boxes!

Finally, paint or stain the planter box! Try to decide on mild shades like brown and cream. According to experts, the shade must en suite with the kind of plants you decide to grow. Some plants will grow well in certain shades. For instance, herbs require lightly shaded planter boxes that absorb lots of sunlight. Moreover, you can line the planter box with heavy sheets of plastic. Lining must be done before you fill the box with potting soil.