Using your DIY skills and these free greenhouse plans will enable you to grow more fresh food each year. A greenhouse will extend the growing season by allowing you to get plant seeds started earlier and keep plants producing later in the fall. Even if you only want to grow herbs or have a place to overwinter potted plants, one of these 40+ DIY greenhouse plans is sure to be right for your needs and building skill level. Look through these amazing and easy to build greenhouse ideas to get inspired and start growing this weekend.
Also if you are looking for some other mechanisms to extend the growing season just go through these cold frame plans.
1- Fold Up Greenhouse Plan
So easy to build and it takes up minimal backyard space.
- Use PVC pipe to create a top, middle and bottom frame in desired size
- Cover frame with plastic sheeting
- Place potted plants under the covering of the DIY fold up greenhouse
- Raise and lower as needed
Get the complete instructions at goodshomedesign.com
2- Barn Greenhouse Plan
If you want to build a small greenhouse, this wooden barn greenhouse plan would work best for you. Get started by working on the plan given below:
Cut the wall framing from the boards (wood) you have available or you can purchase it for a few dollars easily. Use roofing tin for the side paneling, it would provide strength to the house as well. Use metal flashing to trim the corners of the panels. Cover the entire greenhouse with corrugated roofing.
3- Trampoline DIY Greenhouse (10 x 8)
If your kids have outgrown their outdoor trampoline and you have wondered what to do with it, here’s the answer. Use the frame to create a diy greenhouse.
- Remove trampoline tarp and springs
- Take the frame apart in two equal sections to create two half circles
- Place half of frame on end with rounded side facing up and legs facing inward on one end of garden.
- Repeat with other frame half on the opposite end of garden.
- Cover frame with plastic sheeting.
4- DIY Hoop House
A hoop house is a simple structure made with a few wood boards and PVC pipe. A hoop house can be built to any size and these DIY greenhouse plans give you the instructions to build a 300 square foot structure for large gardening endeavors.
5- Small Greenhouse Plan
Not everyone needs a large structure for growing plants, but every gardener can use a small homemade greenhouse made with recycled windows.
- You will need 6 windows close to the same size
- Measure windows and create a box frame from wood
- Attach a A-frame roof support
- Attach 5 of the windows to the box frame with screws
- Attach last window to frame using hinges on one side only to create a door that opens and closes for access inside the mini greenhouse.
6- Lumber Frame DIY Greenhouse
You can make a smart 8ft in height homemade greenhouse with a beautiful garden – all you need is a lumber frame for the foundation, big window frames for ventilation, and a door of course. You can nail the frame and fix it in the garden with stakes.
7- Dome Shaped Green house Plans
If you love assembling the broken triangles, you must construct this kind of a diy greenhouse – it’s beautiful. You would not see this normally everywhere because it requires time to get completed. You can simply lay the foundations by fixing it in the ground with stakes. The tough part comes in when you have to get the wood cut in equal length and width – moreover, assembling takes time. You need to have proper measurement and a diagram to get a perfect shape. However, it is fun – you can cover the entire structure with a special kind of greenhouse sheet so get the perfect desired look.
8- Hoop Style Homemade Greenhouse
This greenhouse plan has step by step instructions and pictorial guidance to make the plan easy to follow. All you need is:
- Use 2x6s wood for laying out the basic foundation or frame of greenhouse – measurements solely depend upon the area you want to cover.
- Cut 10’ rebar to make a total of four 30” rabar for making the hoop stand. Take the open ended PVC pipes and fix them on the hoop stands. For the better grip, you can simply use screws to tight the PVC pipe and the stand.
- Insert strong PVC pipe at the top in order to provide strength to the circular frame.
- Cover the entire naked greenhouse with plastic sheet and attach it with the lathe.
- Lastly, add the door and the basic wood frame which has plastic covering all around; and you are done.
9- Small DIY Greenhouse (10×14)
With the right material and location you can build 10*14 wood greenhouse from this green house plan within a weekends.
- Build the side frames at first also you must cut the ends of the studs keeping 8 inch difference.
- Drill pilot holes in the frames and fix them with the screws.
- Make the front and the back of the wood greenhouse likewise.
- Anchor the wooden studs to the top and bottom plats and in the similar manner, fix them with screws.
- Lastly, make the door with basic wooden frame and place it on the front side – in order to provide the perfect professional touch, you can coat the entire joint area with the paint of your choice.
10- Scrap Window Homemade Greenhouse
This kind of homemade greenhouse project just requires you to make the most of the old and unwanted window frames that are lying in your junkyard. Simply make the basic wooden structure (foundation) and with the help of screws adjust and assemble the windows on it. Add tin roofing and add glass to the windows which have broken ones. Simply add flowers to it so that beauty can be enhanced.
11- 8 x 8 Fiberglass Greenhouse Panels
These free greenhouse plans show you how to build a modified A-frame greenhouse using fiberglass panels. Detailed instructions enable you to build a permanent structure that will last for years and grow healthy plants.
12- Solar Heated Greenhouse Plan (10×12)
This wooden greenhouse idea is so well built and attractive, it can double as a guest house. The solar powered wood structure cost under $4,000, and it’s multi-function usage makes it invaluable on a homestead. The covered front porch is the perfect spot for relaxing after a day of garden chores.
13- Staggered Roof Greenhouse
Build your own greenhouse with these greenhouse plans that feature a staggered roof for optimum light reception. The sturdy wood frame is covered with clear plastic and the large interior space will enable you to grow plenty of vegetables and flowers.
14- Tomato Fort Greenhouse
This is a simple structure to build and can be taken down and stored year after year when it’s no longer needed. Called a tomato fort because it is ideal for sheltering tomatoes from late or early frost and non-stop rain. An hour and less than $50 is all you need to build this greenhouse. You may also like to see diy tomato cage.
15- Recycled Windows Greenhouse
Visit a local flea market for old windows (or you may already have some on hand) to build this attractive and highly efficient greenhouse. Various sizes of old windows can be pieced together like a puzzle and connected with screws to create this inexpensive greenhouse. Top it off with any type of roofing material you have on hand, since the interior will receive all the sun light needed through the four walls of glass windows.
Get the plan for this recycled windows greenhouse at Instructables.com
16- Wood Frame Greenhouse (12×10)
Follow this instructional YouTube video and build your own wood frame greenhouse. Step by step instructions make the build easy to accomplish in a short amount of time.
17-DIY Scrap Door Green house Plan
You must be having some old doors in your storeroom – it is the perfect time to take them out and make most of them. Follow this simplest green house plan and instead of side paneling, simply use the old doors – add tin roofing or plastic sheets to make a gorgeous and effective greenhouse for your west garden.
18- DIY Pyramid Shape Greenhouse
You can also make a diy greenhouse, a stylish one by doing:
Take two doors and attach them from the hinges. Place them on the ground in such a way that it looks like an inverted “V” – you can simply keep your plants under this – enjoy gardening!
19- Plastic Bottle DIY Greenhouse
I am not sure whether you would be able to collect a 1000 bottle – it is very interesting though! Within the simplest greenhouse structure made from wood, you can insert the collected plastic bottles to get the desired kind of greenhouse. I think this idea can work best for small space; you would need to add fewer bottles and get the task done easily.
20- $50 Greenhouse Plan (15×18)
Hoop like greenhouse are very popular – here is another greenhouse plan for getting a tunnel type greenhouse, these are ideal to have a small greenhouse garden too.
- Construct the basic frame from pressure or compressed lumber. They last for at least 3 years even if the weather it at worst.
- Leave the door open while making the structure.
- Use clear sheets or plastic for the covering or top. In the market you can easily find a special type of greenhouse sheets too.
- Insert or attach PVC pipes at the sides of the wooden structure so that it maintains the shape of the hoop.
21- Lean-To Greenhouse (8 x 2)
You will only have to build three sides and a roof for this lean-to style greenhouse. Perfect style for building against the backside of a shed or garage that has a southern exposure. Plenty of interior room for growing a wide array of plants and the exterior fits well into the landscape design.
22- 8×8 Greenhouse Plans
Standard design and size, these building plans stick with a tried and true design that maximizes interior space without sacrificing a lot of landscape space. Detailed greenhouse plans make the DIY build go smoothly and the sturdy design will last for years.
23- Bamboo DIY Greenhouse
Use bamboo poles for building a DIY greenhouse for the ultimate in sustainability. Bamboo is a renewable resource that is strong and easy to build with, lasting for several years before it needs to be replaced.
24- DIY PVC Greenhouse
This ingenious design creates a cover made from PVC pipe and plastic that is raised and lowered as needed over garden beds. This style of DIY PVC Greenhouse can be built to fit existing raised bed gardens. Hinges hold the covered diy pvc greenhouse top to the wood frame bottom and the lightweight material makes it easy to raise and lower as needed.
25- Tabletop Greenhouse Plan
A small space can house a lot of growing plants when the design is right. This easy to build tabletop greenhouse is portable, so it can placed in the best location for sun reception any time of the year. The mobile design allows for year around plant growth and food production.
26- Backyard Chalet Greenhouse
This is a pre-fab type of structure that includes all the building materials and DIY greenhouse plans. The frame is designed in a chalet style and the see-through walls allow you to look inside the greenhouse from any place in the backyard.
Grow tropical plants inside this DIY greenhouse regardless of the climate you live in so you can enjoy a tropical view even when snow is on the ground.
27- Old World Style Greenhouse
The style of this budget-friendly DIY greenhouse will remind you of an old-world European-style farmhouse and will compliment any backyard.
Learn how to build a greenhouse that is both beautiful and functional so you can grow plants year-around. The building material is budget-friendly and durable so this DIY greenhouse will last for many years.
28- Old Window Greenhouse
Do you have old windows stored up from a previous window upgrade? Do you know where you can find some old windows? If you can answer ‘yes’ to either question then you can build this adorable and functional old window greenhouse for almost no money.
Use these plans and learn how to make a greenhouse from old windows, some leftover lumber and old windows. The greenhouse size is ideal for small backyards and the design will make it an attractive addition to the landscape.
29- Back Door DIY Greenhouse (10 x 6.5)
It can be challenging to find the space in a small backyard for a greenhouse, but these greenhouse plans will show you a space-saving idea.
These wood greenhouse plans will show you how to build a greenhouse right outside your back door. This DIY greenhouse becomes a walk-through structure that takes you from inside your home to the outside. You won’t even get cold during the winter months when you visit the plants.
30- Plastic Sheeting 2 x 4 Greenhouse
Build this DIY greenhouse on a budget with a little lumber covered with plastic sheeting. The plastic sheeting is light-weight, durable, and holds the heat in while keeping the cold out. Ideal for a low-budget build and small back yard.
The DIY structure is large enough to grow food-producing plants from seeds through maturity.
31- Lean-To Greenhouse (8×8)
A lean-to greenhouse like this one is great for building on a budget. Learn how to transform old windows and leftover lumber into a small but functional greenhouse. By learning how to make a greenhouse that leans up against another structure you can reduce the number of walls you need to build, so you save both time and money.
32- Wood Pallet Greenhouse
Old wood pallets can be recycled and used to build almost anything, including a DIY greenhouse.
Get some wood pallets and follow these free greenhouse plans so you can build your own attractive and productive greenhouse.
The recycled pallet wood creates the frame of the structure, and recycled windows are used to build the rest of the structure. This budget-friendly DIY project is almost free to build and will last for years.
33- PVC Hoop House (30 x 14)
These free PVC greenhouse plans will show you how to transform inexpensive PVC pipes and plastic sheeting into a functional greenhouse.
Start garden plants and flowers from seeds and keep them growing all year inside this PVC hoop house. The sturdy plastic sheeting can withstand most winter weather and is easy and cheap to replace every few years. The PVC is made from durable plastic and will last for many years in most climates.
34- Wood Frame Greenhouse
Follow the greenhouse plans on this YouTube video and build a budget-friendly structure for growing plants year-round. This detailed YouTube video walks you through the easy building process so you can complete this DIY project in just one weekend.
35- Mobile Home Conversion
A vacant mobile home can easily and cheaply be converted into a portable greenhouse. These detailed greenhouse plans will take you through the conversion process so you can convert any size mobile home into a structure that will grow an abundance on plants year-around.
This is a great idea for off-grid homesteaders who need a secure place for growing food. Wildlife would have a difficult time destroying crops and food can be grown year-round.
36- Cheap Greenhouse Plan
These budget-friendly greenhouse plans will show you how to transform existing garden beds into a grow house for year-around plant production.
Ideal for homesteaders who need a steady supply of fresh food or for home gardeners that just want to extend the growing season a few extra weeks without spending much money.
37- Dome Greenhouse Plans
Use these free detailed instructions to build a dome greenhouse out of recycled wood pallets and plastic. The shape of the structure in unconventional but it allows full sun exposure to all plants growing inside and protects the plant from the elements.
Use these greenhouse plans to create this functional dome shape grow house for your plants.
38- Small and Portable
This greenhouse idea is great for small gardens or when a small number of young plants need early or late-season protection.
This modular shape is cheap and easy to build, plus it’s light-weight and portable. Move it as needed to protect garden plants from frost. A little left-over lumber and plastic sheeting are all that’s needed for this easy DIY project.
39- Insulated DIY Greenhouse (10×6)
This is a great idea for a raised garden bed and will allow you to start seeds much earlier in the spring and continue growing plants until early winter.
Plastic can be removed and replaced as the weather changes to provide insulating warmth to growing plants. Help plants produce longer and more abundantly with this budget-friendly DIY greenhouse.
40- Cold Climate Greenhouse
This DIY greenhouse is perfect for cold climates that receive heavy snowfall during the winter.
The structure is sturdy enough to withstand the weight of snow and holds the interior heat during the frigid winter temperatures so plants can thrive. This DIY project is also easy on the budget and can be built for under $50.
41- Automated Greenhouse Plans
Here is a great idea for those who like to dabble with electronics and gardening – a DIY automated greenhouse. Its a small design but great for starting seeds and propagating plants. It’s small design will also fit perfectly onto a patio or balcony.
42- Adorable DIY Greenhouse
This greenhouse design is small, adorable, and very efficient, perfect for a small backyard. A few old windows, leftover lumber, and leftover paint can be transformed into this adorable DIY greenhouse.
The space can be used for all gardening needs since it contains a sink and can double as a She-Shed for those moments when you need a little quiet time.