Get this FREE Planter Box Plan when you request our FREE newsletter. Enter your email address below and we'll take you to our FREE plan page. Email Address: We will NOT sell, rent, or share your email address. You'll start with a basic cube that features sturdy mortise & tenon joinery. If you prefer something a little wider or taller, simply adjust the dimensions to your taste. You can even build a small set of planters of varying shapes and sizes. Step-by-step plan includes shop tips & techniques. 8-page downloadable PDF.