Below are the list of items used to help make this project.

• Pallet wood or you can use some 1″x4″ lumber for the horizontal, vertical and railing pieces
• 2″x2″ for the legs and 18″ height for our project
• Scrap pressed board
• Kreg jig if you have one for mounting the legs and horizontal pieces
• Plastic liner for soil
• Staple gun
• Miter saw
• Wood Glue
• Finish nailer
• Sandpaper
• Stain
• Rubber gloves
• Pencil
• Tape measurer
• Stain (I used Varathane from HomeDepot and the color is Golden Pecan) 

1. First, you start by measuring how wide and tall you want your boxes. 
2. To make it easy, lay out the 1″x4″ next to each other until it’s close to your desire width. It’s alright if you are a little over or under to prevent from having to trim down the wood. Lay a level or another straight 1×4 across it and mark it with a pencil. This is where you will cut.
3. Cut the vertical pieces to the desired height. If you want a 1″-2″ for clearance from the bottom then be sure to subtract that from your overall height when cutting. Our legs were 18″ but our vertical pieces were cut at 16″ for 2″ of ground clearance.
4. Measure and cut your 1″x4″ horizontal pieces to the desired width. Make two for each side, so 8 total for each box.
5. Mount your horizontal pieces to the 2″x2″ legs and come up off the ground an 1″-2″ for clearance.
6. Repeat step 4 until you have all sides completed.
7. Now, you can glue and nail your vertical pieces to the backside of the horizontal pieces.
8. Repeat step 7 until all sides are completed.
9. Measure and cut small trim pieces that you can put inside the box at the bottom and about 5″ from the top. Put one at the top and bottom on all sides.
10. Cut the pressboard to the inside dimension so it can rest on your ledges. 
11. For the bottom, I just ran a few slates across the bottom for support. I glued and nailed these in.
12. To put a trim piece on the top side, just measure the length and cut a 45 degrees miter. You will do this for all sides. 
13. Now just glue and nail the top side to the box
14. Take some 220 sandpaper and sand all the wood.
15. Wipe down with a tack cloth or a rag with some water on it to get all the dust off.
16. After it dries you can stain it by using a rag or stain sponge. I would also wear some rubber gloves.
17. Place the plastic inside the box to line them and staple it to the inner top shelf ledge and be sure to push out the plastic all around the bottom to ensure there is plenty of give to fill the corners of the box. I used this type of material so I would be able to water the plants without the muddy water coming out onto your concreate. The key though with using this also is not to overwater since there are no holes for drainage