Concrete Pumpkins for Fall Decor

Having just discovered how fun and easy it is to work with concrete, Steph thought a plastic pumpkin would make a great concrete mold.The advantage for those of us living in warm to hot autumn weather is a concrete pumpkin will not rot and can be left out all October. Win!
Watch the video.
Let’s get started. First things first, put on the mask and gloves.Concrete/cement products create lots of fine dust—you don’t want to breathe that stuff in and the product is very drying to your hands—protect them with gloves.
Using the Pam, cooking spray, or silicone, spray the outside of the cup and inside the pumpkin, set aside (this will help the plastic release from the concrete once it’s cured).
Mix up the concrete, cement, or mortar. For the orange pumpkin, we used concrete in which we sifted out the rocks. We used mortar for the other two. Slowly add water to the concrete and mix until all is well mixed. Err on the side of too little water than too much. You want a mixture about the consistency of brownie batter.
Center the cup and push down into the center of the pumpkin opening. Remove any excess concrete that oozes out the top sides.
Cover with plastic wrap and place a large, heavy, flat object on top to keep the cup from floating up out of place.
Use the utility knife to cut through the plastic to remove.
Leave concrete color or paint/stain the pumpkins.
Orange Pumpkin: stained with DecoArt Color stain. This pumpkin does double duty as a plant pot. That’s an oregano plant that makes the fun hair.
Waxed Pumpkin: This had a concrete terra cotta colorant added to the concrete/water mix. We dripped three colors of candles onto it. It does double duty as a candle holder.
Blue Pumpkin: This guy was painted with Rust-Oleum Lagoon spray paint and his face is painted with DecoArt Chalky finish paint. It does double duty as a non-candy holder to bring awareness of those little ones that have food allergies.
For more details please visit our website!

Suggested materials:

  • 3 Plastic Pumpkins  (Target)
  • Cooking Spray  (Target)
  • Plastic cup
See all materials

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Want more details about this and other DIY projects? Check out my blog post!

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Have a question about this project?

3 of 8 questions
  • Domenica Mindi Caltagirone
    on Oct 13, 2016

    I failed!!! Mine look like they're made of cottage cheese and I couldn't only slice through that plastic pumpkin if I had a chain saw!! Hahah my husband had to cut them off for me to unveil this mess hahah

    • Deanie Winter
      on Aug 28, 2017

      If you can sand of some of the rough areas. If you must have a really smooth one, you need to use a heavy amount of Pam type spray so the pumkin will realese easier and not stick to the inside of the pumpkin. The other hint is that the concrete should be packed into the pumpkin very firmly and tamped a good bit to be rid of all air bubbles. Your pumpkin looks just fine to me.

  • Valerie S Treadway
    on Oct 17, 2016

    What kind of paint can be used on them?

  • Donna Sager Wiley
    on Sep 19, 2018

    How heavy are these when they are done


Join the conversation

3 of 53 comments
  • Lisa Marie Peek-Kluever
    on Oct 31, 2016

    Mine turned out great!

    , Mine turned out great
  • Mother Daughter Projects
    on Aug 8, 2018

    I'm pretty sure what we used was a standard concrete mix. We did, however, remove the rocks from it with a kitchen fry basket as a sifter. But you could use it with the rock, but the surface will not be smooth. It all depends on the look you are going for. You could also use a mix that is sold without rocks (aggregate) mixed in. ~Vicki

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