This step by step diy project is about 6×8 greenhouse plans. This small free standing greenhouse is the ideal choice if you want to start gardening on a small scale. The greenhouse has a gable roof and a large front door. In addition, you can adjust the size of the greenhouse to suit your needs. Take a look over the rest of my woodworking plans, if you want to get more building inspiration.
When buying the lumber, you should select the planks with great care, making sure they are straight and without any visible flaws (cracks, knots, twists, decay). Investing in cedar or other weather resistant lumber is a good idea, as it will pay off on the long run. Use a spirit level to plumb and align the components, before inserting the galvanized screws, otherwise the project won’t have a symmetrical look. If you have all the materials and tools required for the project, you could get the job done in about a day. See all my Premium Plans HERE.
Projects made from these plans
6×8 Wooden Greenhouse Plans
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- A – 2 pieces of 4×4 lumber – 96″ long, 2 pieces – 72″ long SKIDS
- B – 2 pieces of 2×4 lumber – 96″ long, 5 pieces – 72″ long 2xSIDE WALL
- B – 2 pieces of 2×4 lumber – 22 1/2″ long SUPPORTS
- C – 2 pieces of 2×4 lumber – 65″ long, 4 pieces – 72″ long BACK WALL
- D – 2 pieces of 2×4 lumber – 65″ long, 4 pieces – 72″ long FRONT WALL
- E – 2 pieces of 2×4 lumber – 17″ long, 1 piece of 2×6 lumber 96″ long TOP RIDGE
- F – 10 pieces of 2×4 lumber – 40 3/4″ long RAFTERS
- 2 pieces of 4×4 lumber – 8′
- 2 pieces of 4×4 lumber – 6′
- 9 pieces of 2×4 lumber – 8′
- 23 pieces of 2×4 lumber – 6′
- 1 piece of 2×6 lumber – 8′
- 2 1/2″ screws, 3 1/2″ screws, 1 5/8″ screws
- 4d nails, 16d nails
- wood filler , wood glue, stain/paint
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- PART 1: 6×8 Greenhouse Plans
- PART 2: 6×8 Greenhouse Door, Trims & Vents Plans
How to build a 6×8 greenhouse – Free Plans
First of all, you need to build the base for the greenhouse. As you can easily notice in the diagram, you need to make cuts to both ends of the 4×4 components. Use a circular saw to make 1 3/4″ deep and parallel cuts. Use a hammer and a chisel to remove the excess and then smooth the surface with sandpaper.
Select the location for the greenhouse, making sure it will get at least 8 hours of light every day. Moreover, you need to check if the soil is fertile so you can grow your vegetables there. Lay the surface evenly and then lay the skids. Align the edges flush and check if the corners are square. Drill pilot holes and insert 3 1/2″ screws to lock each joint tightly together.
Continue the project by assembling the side walls. Use 2×2 lumber and cut all the components as shown in the diagram. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. Place the studs every 24″ on center, making sure the corners are square and align the edges flush. You also need to frame the vent openings.
Assemble the back wall frame from 2×4 lumber. After you cut all the components at the right dimensions, as shown in the diagram, you need to assemble them together. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs.
Assemble the front wall of the greenhouse, making sure you leave enough space for a door. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. You can adjust the size of the door opening to suit your needs.
Fit the wall frames to the skids, making sure you align the edges flush. Use a spirit level to plumb the wall frames and check if the corners are square. Drill pilot holes though the bottom plates and insert 3 1/2″ screws into the skids. Moreover, you need to lock the adjacent walls together tightly. Drill pilot holes through the walls and insert 3 1/2″ screws.
Build the rafters from 2×4 lumber, as well. Use a miter saw to make the angle cuts to the rafters.
The next step of the project is to fit the top ridge into place. Use 2×4 lumber for the supports and 2×6 lumber for the top ridge. Drill pocket holes at both ends of the supports and center them to the front and back walls. Plumb the supports with a spirit level and then lock them into place with 2 1/2″ screws. Attach the top ridge and secure it to the supports with 2 1/2″ screws, as well.
Fit the rafters to the top of the greenhouse and place them every 24″ on center. Drill pilot holes and insert 2 1/2″ screws to lock them into place tightly.
You need to check out PART 2 of the project, so you learn how to build the door, the vents and the trims for this small wooden greenhouse.
This small greenhouse with a gable roof is ideal for any backyard, as it doesn’t occupy too much space and it also has a nice appearance. The greenhouse has a large front door, side vents and a gable roof with a 30 degree slope.
This woodworking project was about 6×8 wooden greenhouse plans free. If you want to see more outdoor plans, check out the rest of our step by step projects and follow the instructions to obtain a professional result.