DIY Rainbow Pumpkin Arch

In another life, I think I should have been an architect. Or at least just an arch-themed one. You may have noticed by now that I have a bit of a thing for balloon themed arches. Lest we forget the flamingo balloon arch, the Rainbow arch, the heart arch…I think you get it, I love a good arch!

Of course, the problem with creating is that as soon as you finish one, you just want to do another, and I’ve had a hankering to make a new one as of late. As it turns out, our friends at Michaels were craving something colorful as well, so we teamed up to bring you what might just be one of my favorite arches yet. Behold, the Rainbow Pumpkin arch!

We were looking to use a material that would be able to endure the crazy mood swings of Utah weather and keep our lovely White House (also known as the beige castle) colorful and festive all season long. Styrofoam pumpkins were a perfect solution! They are light weight, color well, and are a piece of cake to drill. And don’t be intimidated by the size of this thing! It really is one of our easiest yet, and is guaranteed to bring all sorts of autumn gourd-ness into your home. Get it? Gourdness? Goodness? I’ll see myself out…

DIY Rainbow pumpkin arch

Materials:

  • Styrofoam Pumpkins, we found ours at Michaels. We used 34 on our arch in a variation of sizes, large, medium, small and flat.(Hint: We got ours on sale!)
  • Spray paint
  • PVC (amount will depend on how large your arch is, we used 20 ft)
  • PVC pipe connector
  • 50 lb bag of mixable cement
  • 2 large buckets for bases
  • Drill
  • Circle drill bit
  • Wire

Directions:

  1. Pick your color palette
  2. Tape off the stems of the pumpkins.
  3. Spray paint your pumpkins, we chose a large color palette and started spraying just one pumpkin of each color at a time. Once we had all of the colors we wanted we started adding in a second and even third of every color in varying sizes.
  4. Let pumpkins dry 24 hours.
  5. Mix and pour concrete into the containers you will be using as your stands.
  6. Immediately place rods into the center of your concrete and let set. The mix we bought said 45 minutes but we let ours sit overnight.
  7. Once pumpkins have dried start lining them up in the order you would like them to be placed in on the arch.
  8. Number your pumpkins on the bottom to make placement easy!
  9. Take one piece of the PVC and place it on one of the cement stands. 9. Start putting your pumpkins on the PVC to make sure they are fitting the right way.
  10. You will need to pay special attention to the pumpkin at the point of the PVC where it begins to arch. We connected our PVC multiple times to check the angles we were drilling into the pumpkins before actually drilling them.
  11. Repeat steps 9-10 with the other cement support and PVC pipe.
  12. You will need to put the PVC connecting piece in, this step gets a little tricky because you will need to bend the pipe to get them to line up and put the pieces together.
  13. Use extra pumpkins to adorn the bases of the cement pieces.

 We’d love to see how you recreate this. Tag us with #LarsMakes and #LarsHalloween

3 COMMENTS

  1. I found you thru The Cottage Market and I am in love with this arch and some other ideas she shared of your projects. I signed up to be a subscriber so I can get more. I love color and love these ideas.

  2. Wow… this is amazing! I saw you featured over at Cottage Market and clicked right over! What a project! Love how you interspersed pale pumpkins with the darker colors! We have a link party, Tuesday Turn About, that we would love to have you join! We close tonight at 12am CST, but open again on Tuesdays at 5pm CST. Hope to see you there!

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