Cedar Planter Box Plans | 4ft. Rectangular Planter

4ft. Rectangular Cedar Planter Box Plans, PDF Download, DIY Project, Construct101

4ft. rectangular cedar planter box plans.

DIY fence board project.

Plans include a PDF download (link at bottom of post), cutting list, shopping list, measurements, drawings, and instructions.

4ft. Rectangular Cedar Planter Box Plans | Overview

4 ft rectangular cedar planter box plans, overview

Material List

4 ft rectangular cedar planter box plans, exploded view

4 ft rectangular cedar planter box plans, cutting list.

Cutting List

Parts#Qty.Disc.Size
A8fence board1 3/4 in. x 17 3/8 in.
B6fence board5 1/2 in. x 46 3/4 in.
C6fence board5 1/2 in. x 9 1/2 in.
D2fence board1/2 in. x 45 1/2 in.
E9fence board5 1/2 in. x 9 1/2 in.
F2fence board1/2 in. x 14 in.
G2fence board1 3/4 in. x 48 in.
45-degree angle cut on both ends in opposite direction
H2fence board1 3/4 x 12 in.
45-degree angle cut on both ends in opposite direction

Shopping List

Qty.Disc.Size
8fence board5/8 in. x 5 1/2 in. x 6 ft.
finish nails1 in. galvanized 16 gauge
exterior wood glue

corner support A

● (A) – 8 – fence board – 1 3/4 in. x 17 3/8 in.

Cut the corner supports (A) to size.

Assemble as shown on drawing using exterior wood glue and finish nails.


front/back B

● (B) – 6 – fence board – 5 1/2 in. x 46 3/4 in.

Cut the front and back (B) to size.

Assemble as shown on drawing using exterior wood and finish nails.


sides part# C

● (C) – 6 – fence board – 5 1/2 in. x 9 1/2 in.

Cut the sides (C) to size.

Assemble as shown on drawing using exterior wood glue and finish nails.


parts# D, bottom supports.

● (D) – 2 – fence board – 1/2 in. x 45 1/2 in.

Cut the bottom supports (D) to size.

Assemble as shown on drawing using exterior wood and finish nails.


4 ft. rectangular cedar planter box plans parts# E bottom.

● (E) – 9 – fence board – 5 1/2 in x 9 1/2 in.

Cut the bottoms (E) to size, measure and cut the last piece to size.

Assemble as shown on drawing using exterior wood glue and finish nails.


4 ft. rectangular cedar planter box plans part# F front and back brace.

● (F) – 2 – fence board – 1/2 in. x 14 in.

Cut the front and back brace (F) to size.

Assemble as shown on drawing using exterior wood glue and finish nails.


4 ft. rectangular cedar planter box plans part# G,H, trim.

● (G) – 2 – fence board – 1 3/4 in. x 48 in. (45-degree angle cuts on both end in opposite direction).

● (H) – 2 – fence board – 1 3/4 in. x 12 in, (45-degree angle cuts on both ends in opposite direction).

Cut the front/back trim (G) to size, cut the side trim (H) to size.

Assemble as shown on drawing using exterior wood glue and finish nails.


4 ft rectangular cedar planter box plans

Drill 3/4 inch holes to the bottom for drainage.

Staple plastic planter liner to bottom and sides to protect wood from moisture.

Sand, seal and stain or leave as is for a natural weathered grayish look.


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