Most greenhouses frames are made from wood and corrugated metal, then enclosed with greenhouse film or polycarbonate panels.
Building a DIY greenhouse is simple to do and relatively budget friendly, regardless of the size you want.
Here are some free greenhouse plans to get you started.
The Spruce / Christopher Lee Foto
Want more design inspiration?
You shouldchoose this greenhouseif you’re looking for a beautiful structure and have the land to do so.
Click through this free greenhouse plan to find shopping lists, directions, and diagrams.
Ana-White
There are also photos of the greenhouses built by other readers who have used this simple greenhouse plan.
Included in the free greenhouse plans are a materials list, diagrams, tools list, and tips.
Before you begin building, you will need to level the ground.
Northern Homestead
Use all different shapes and sizes to make a bold statement that really creates some interest.
It creates a great-looking structure that’s environmental and budget-friendly.
There are lots of color photos and written instructions to help you build one for your yard.
Mother Earth News
You’ll be able to grow your own vegetables, all year around with this DIY greenhouse.
This free greenhouse plan includes lots of diagrams and illustrations along with written instructions.
16-Foot GreenhousefromHowToSpecialist
DIY 10-Foot Small Greenhouse
Here’s another free greenhouse plan from HowToSpecialist.
BuildEazy
This plan for a small DIY greenhouse is perfect for a small backyard.
It’s a pitched roof with a door, giving everything you need for a successful greenhouse.
It’s a gorgeous greenhouse that doubles as yard decor.
HowToSpecialist
It’s certainly a unique look that’s going to look great in any yard.
There are lots of photos taken along the way to show you how to build it.
This is an easy project that even the beginner can handle.
Instructables
Download the free greenhouse PDF plan and you’ll get a material list, diagrams, and written directions.
This is a great starter greenhouse if you’re just starting to experiment with growing in a greenhouse.
PVC pipes are also pretty affordable and using them is a budget-friendly way to build a greenhouse.
HowToSpecialist
This greenhouse is arched and includes two doors, one in the front and one in the back.
The half-cylinder shape is vapor-tight and features an opening on each end for ventilation.
It has a good amount of storage with shelves on either side.
HowToSpecialist
The most inexpensive way to build a greenhouse is to purchase a standard greenhouse-building kit from a hardware store.
This way, you will not waste money on extra materials you may not need.
Just ensure you have a thermometer on hand to monitor the soil temperature.
Crafts a la Mode
A greenhouse floor is always a good idea.
Though, floors are not required in greenhouses, as the plants are elevated off the ground.
PVC Plans
Johner Images / Getty Images
BuildEazy
