How to Create a Greenhouse out of a Trampoline

Hello Ladies!  Today I’m excited to tell you about the most creative DIY gardening project I have seen.  I think it’s so neat when people think of ways to turn something old into something new, and I was amazed when I heard about my mother-in-law’s plan to turn their trampoline into a greenhouse!

She told me that they were planning to get rid of their (aging) trampoline but she just kept feeling like there must be a way that she could use the galvanized steel frame for something.  She was right- check this out!

How to Create a Greenhouse out of a Trampoline

So, today I’m going to tell you how my in-laws created a greenhouse out of a trampoline for about $100!

Here’s what they used:

- Trampoline Frame
- Piping ($2/tube, they bought 10)
- Wood ($20)
- Thermometers ($2)
- Red Tape ($11 for the roll)
- Plastic ($60)
- Screws ($5)
(That’s a grand total of $98!)

In the photo below you can see how they screwed the pipes/tubing onto the trampoline frame with an electric drill.  They bought central vacuum tubing (it was cheaper than plumbing pipes).  They were probably about 2″ screws.

How to Create a Greenhouse out of a Trampoline

In the photo below, you can see how they used half of the frame for each side/end of the greenhouse.  No cutting of the steel required- just pull the frame pieces apart so that you’ve got 2 halves of the frame, and you’re good to go!  Turn them so that the “legs” of the trampoline point toward the inside of the greenhouse, and that gives you something to screw the tubing to!

How to Create a Greenhouse out of a Trampoline

My father-in-law built the frame for the door out of wood and screwed it to the frame of the greenhouse:
(There is also a small window on the opposite side of the greenhouse.)

How to Create a Greenhouse out of a Trampoline

They attached the plastic (which you can get at Home Depot and is technically called 6mm Poly Film)  to the outside of the frame with red tape called “Sheath” or “Sheathing Tape”:

How to Create a Greenhouse out of a Trampoline

Note: My mother-in-law suggests repurposing the mat from the trampoline, using it as a floor for your greenhouse.  Unfortunately theirs got thrown out, so they’re going floorless for now. ;)

They tried using some caulking that was supposed to work for metal & plastic to secure the plastic to some other parts of the frame, but it didn’t work.  They did find a good use for the caulking gun though- it’s great for propping the window open for air flow! ;)

How to Create a Greenhouse out of a Trampoline

After having the greenhouse assembled, we had a really windy couple of nights.  Windy enough that they woke up one morning to find that the greenhouse had been relocated- right over their little pond!  To prevent that from happening again, they bent some rebar, and anchored the bottom of the frame to the ground like this:

How to Create a Greenhouse out of a Trampoline

Now for the inside of the greenhouse!

This is the first summer of the greenhouse, so everything is still experimental.  This is what the contents of the greenhouse look like at this point:

How to Create a Greenhouse out of a Trampoline

That little table that they’re using to keep their plants on?  They repurposed the frame of an old futon to make that!  And they’ve got some pieces of lattice that they’re planning to use to make another one:

How to Create a Greenhouse out of a Trampoline

Did you notice the black jugs on the ground a couple of photos up?  Those are bleach jugs that have been spray painted black.  They’ve got water in them.  During the day the water heats up, and during the night, they create extra warmth inside of the greenhouse!

How to Create a Greenhouse out of a Trampoline

This “press ‘n seal” plastic wrap works as a way to seal in moisture for some of the plants:

How to Create a Greenhouse out of a Trampoline

And these indoor/outdoor thermometers (that were 99 cents each) show the difference in temperature on the inside compared to the outside of the greenhouse.  Here’s what the temperatures were when I was over there:

How to Create a Greenhouse out of a Trampoline

I’m totally impressed with their creation and excited to see how this first Summer goes!  They’re still learning things as they go (for example, they’re thinking they may need to add another window for more airflow).

The finished creation is about 8 feet by 12 feet.  The trampoline they used was a 15 foot trampoline, so it was 7.5 feet high, but they sort of squished it to get a bit more height. ;)

How to Create a Greenhouse out of a Trampoline

Have you ever repurposed something old into something really cool & new? :)

What’s the most creative gardening project you’ve tried or seen?

I hope this post got some of your creative juices flowing and gets you excited to think about more gardening ideas!

Heather Lynne

I’d love for you to visit me over at Raising Memories this week to see what fun things we’re up to (but you won’t hear about gardening- I’m afraid I have very little garden space after a failed attempt last year because of not enough sun in our little yard… that ended in laying sod over our poor little failed garden!)

How to Create a Greenhouse out of a Trampoline

54 Comments
COMMENTS
  1. May 22nd, 2012 at 7:27 am
    Alison says:
    Holy SHmoly! This is cool. I would have never thought to use the frame! Nice job Heather. WHoo Wee!
    • May 22nd, 2012 at 6:20 pm
      Heather Lynne says:
      Isn't it such a great idea? I was so impressed! :)
  2. May 22nd, 2012 at 8:03 am
    Shelley says:
    Talk about some SERIOUSLY cool repurposing!! This is awesome.
    • May 22nd, 2012 at 6:24 pm
      Heather Lynne says:
      Thanks Shelley, I was so impressed when I found out what she wanted to do, and now to see it all finished- it's so cool! :)
  3. May 22nd, 2012 at 9:20 am
    Heather says:
    Awesome idea! I have a smaller greenhouse, but never thought of using the black bleach bottles to heat up water...that is a great idea! Thanks for the post and tips!
    • May 22nd, 2012 at 6:21 pm
      Heather Lynne says:
      Wish I could take credit for these awesome ideas, but you're welcome for sharing them! ;)
  4. May 22nd, 2012 at 11:57 am
    Rachelle says:
    Pretty impressive! She's got the brains, Dad has the muscle. lol :)
  5. May 22nd, 2012 at 4:55 pm
    Kari-Ucreate says:
    No way Heather! That's just RAD!
    • May 22nd, 2012 at 6:24 pm
      Heather Lynne says:
      Thanks Kari :) I was so impressed that she thought of doing this!
  6. May 22nd, 2012 at 5:14 pm
    Elizabeth A Malone says:
    How do I print directions for the greenhouse?
    • May 22nd, 2012 at 6:23 pm
      Heather Lynne says:
      Hey Elizabeth, you could just copy & paste this post into your word program. Does that help?
  7. May 23rd, 2012 at 10:15 am
    Christi {Jealous Hands} says:
    That may be the most ingenious thing I've ever seen - and now I want one! I don't think I'll be able to talk my boys out of their trampoline... ;-)
    • May 24th, 2012 at 5:43 am
      Heather Lynne says:
      Haha Yes, it might have to be an old trampoline that's ready to go ;)

      Yesterday someone on facebook asked me: "but can you still jump on it?" haha :)
  8. May 23rd, 2012 at 11:43 am
    GrannieEv says:
    That is seriously one of the most impressive repurposing ideas I've ever seen ... I wish them much luck and enjoyment.
    • May 23rd, 2012 at 8:18 pm
      Heather Lynne says:
      Isn't it crazy neat?! :) Thank you :)
  9. May 23rd, 2012 at 6:00 pm
    Debbie Patt says:
    A few years ago, my husband and I created a floor lamp out of 3 hockey sticks! We used the curved parts for legs, and used 2 hockey pucks in the center to screw the hockey sticks onto. We wired it with wiring from an old lamp that had cracked, and then just had to purchase a lampshade. The teenager we made it for was so excited, and everyone thought this was creative way to recycle old hockey sticks for a huge hockey lover!
    • May 23rd, 2012 at 8:19 pm
      Heather Lynne says:
      Debbie, that is SO COOL! Did you take pictures of it??
  10. May 23rd, 2012 at 8:38 pm
    Missy says:
    I love repurposing ideas - this is crazy cool. Thanks for sharing!
  11. May 23rd, 2012 at 8:56 pm
    Jedda says:
    My dad created one similar to this, and wrote directions on how to make and maintain it. He wasn't lucky enough to have a trampoline frame to start with thought ;)
    He has a lot of garden info on his sight along with this "tunnel."
    http://garden.uvci.com/Garden/High_Tunnel.html
    • May 24th, 2012 at 5:45 am
      Heather Lynne says:
      That's really cool, Jedda! Thanks for sharing that link!
  12. May 24th, 2012 at 2:17 am
    Pamela says:
    What a clever idea! Unfortunately our trampoline is still in full use as a trampoline...
    • May 24th, 2012 at 12:18 pm
      Heather Lynne says:
      If only we could find a way to use it both ways at once ;)
  13. May 24th, 2012 at 9:42 am
    Hilary says:
    VERY interesting. What a creative duo they are.
  14. May 25th, 2012 at 10:33 am
    Jenn S says:
    This is really cool. We just made a greenhouse last year out of poly and wood too, but I would have never thought of this. Great idea ;)
  15. May 28th, 2012 at 3:41 pm
    Michele N says:
    Okay, I love this! We just took down our trampoline about a month ago because the mat has a 2' tear in it. My hubby tried to figure out what he could possible do with the frame, he wanted a hammock out of it, but couldn't figure it out. I love this idea unfortunately we've already put rock & a fire pit where the trampoline was or that would be an awesome spot for a greenhouse. I'm trying to come up with a greenhouse, but this might be a bit big but will definitely pull the trampoline pieces back out & look at it again. Thanks for the inspiration!
    • May 31st, 2012 at 7:12 pm
      Heather Lynne says:
      You're welcome! :) Thanks for taking the time to comment here, and good luck with your greenhouse- I hope you can pull something off with your frame! :)
  16. June 10th, 2012 at 4:20 pm
    Kare says:
    FABULOUS!!
  17. June 10th, 2012 at 6:40 pm
    Karen says:
    This is one of the most clever repurposing projects I have ever seen. When our trampoline has lived it's life and my kids no longer want it, I am making this!
  18. June 18th, 2012 at 9:59 am
    Heather says:
    This is awesome!! A definite possibility for us. I have seen other greenhouses that have the bottom open in the summer. I assume it's to allow the greenhouse a reasonable temperature. Does anyone know if that is a must?? Thank you!!
    • August 19th, 2012 at 7:30 pm
      Heather Lynne says:
      Well, all I can tell you is that my mother in law (whose greenhouse is shown in the post) has been experimenting throughout the summer with leaving parts of it open because at first, some of her plants were cooking! She has ended up leaving the door open a lot of the time, for more airflow.
  19. June 18th, 2012 at 2:51 pm
    Kathleen says:
    This is a great idea. We ended up with a trampoline given to us for the grandkids, however we have a pool also and I'm hesitant to put up the trampoline thinking the grandkids are going to use it to propel themselves into the pool!! Now I know what I can do with the trampoline. Probably saved me alot of $$ in hospital bills!!
  20. June 18th, 2012 at 2:53 pm
    Robert Valiquette says:
    Wow,Super idea.
    I scored a 24 foot aboveground pool with torn liner on bulk garbage day a few years ago. Used the liner for weed barriers and a small pool for the ducks to play in after patching tears and lining with clay soil to avoid ducks claws tearing it. The frame was added to my "One day I find use for this" pile. Well I see that it can be easy to use to build a simmilar style greenhouse. 12 ft wide and 12 ft high, perfect for starting my garden plants and season extending. As the piping is 2 inch diameter, I can connect 10 ft lenghts of ABS piping and still have a solid frame to work with. Thank you for the food for thought.
    • August 19th, 2012 at 7:31 pm
      Heather Lynne says:
      You are welcome! Good luck with your project! :)
  21. August 19th, 2012 at 1:14 pm
    Sam says:
    Very cool! But your math is off. It cost $118 to make. Still very cheap though! Great recycling idea!
  22. November 24th, 2012 at 3:40 pm
    nicole says:
    How much plastic did it take and what size pvc pipe did you use. I am going to do this next week.
  23. February 8th, 2013 at 8:22 am
    Anne@DesignDreams says:
    Love it! What a creative idea!!!
  24. April 15th, 2013 at 7:31 pm
    Heather says:
    Very cool - what a great idea! I love it!
  25. April 15th, 2013 at 9:32 pm
    Jennifer G. says:
    What a very cool and creative recycle - love it!
  26. September 29th, 2013 at 8:15 am
    Loretta says:
    I just made this! I have bouncy kids and our trampoline just ripped, so I went out and got another one on craigslist. I had the frame and ripped bouncy floor lying around. I originally thought I would try for a very cool clothesline made out of the frame. While looking for ideas... I found this page. I have ALWAYS wanted a greenhouse. Now I have one. I live on a farm, so I found a lot of wood lying about and some metal tubing. I left the legs of the trampoline intact except for the base part. I stuck 5 foot pieces of metal tube through the leg posts and screwed them together. So my frame is all metal. with a 2x6 and 2x4 base holding the legs in a square. Today I am going to make a door and a window. I will buy the poly and tape after payday. Did the tape hold the poly well long term? We live in Central Ca... our temps at the coldest (only once in a while) can dip to 22 degrees. We are usually 40 to 60 degrees in the winter. I so hope I can try for winter tomatoes. I do not want to use a heat source other than water bottles though. Maybe and incandescent light bulb. Hoping it is possible. Otherwise I will have a great seed starting place.
    • September 30th, 2013 at 12:18 pm
      Heather Lynne says:
      Hi Loretta! It is so fun to hear that you are doing this!! I passed your message on to my Mother In Law (she is the one who built the greenhouse- I just blogged about it ;) Here is her response (hopefully it will be helpful to you as you continue work on your project) :

      The tape is holding well! and it's been up for two seasons now. Is that two summers one winter? Not sure and , don't really care! :) I have seen a few edges beginning to pull up. I think it's because the heat of the sun has cooked the sticky adhesive right off the tape.
      Did she send you a picture? I like the wood idea. Our vacuum poles are a little droopy now and we've talked about needing some bracing of some kind. Snow gets heavy and adds weight to the structure. The poly film plastic covering is still good everywhere though. The water bottles only help hold the day temp into the night not heat the place up. Light bulb is a good idea for sure.
      I need another window. thinking a "fly" (made of the same film and laid and held a few inches above the frame with something, wood?) over the top to cover the roof which I could then cut "windows" or "vents" into. That way the heat can escape rain stays out but bees can come in.

      Also, if you have a photo of your greenhouse, we would love to see it! :)

      ~Heather
  27. November 1st, 2013 at 8:38 pm
    Patricia says:
    I love this idea! I think my dad still has our old trampoline. Maybe I'll see if I can get it from him. My sister and I share a garden plot and to save on space we took an old swing set frame, removed all of the swings, and we hang out tomato plants upside down from it. We have also started saving our used tires to put under it for more planting space. So far it works great.
    About the green house. Do you think it would hold up to snow?
  28. February 13th, 2014 at 11:58 pm
    Dana says:
    Wow - amazing! Now that is ONE way to make use of an old trampoline. Very creative! Thanks for sharing!
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