How to Use Cement Flower Pot Molds

Written by katherine kally
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How to Use Cement Flower Pot Molds
Make your own cement flower pots using decorative concrete moulds. (Jupiterimages/Photos.com/Getty Images)

Concrete flower pots can remain outside throughout the year in any climate. You can make your own concrete flower pots using moulds available at most craft and hobby stores as well as from online retailers. Most commercially available cement flower pot moulds are made from aluminium, latex and plastic. With the wide variety of shapes, sizes and designs of cement flower pot moulds available, the most difficult part of the project may be deciding which mould to purchase.

Skill level:
Moderately Easy

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Things you need

  • Flower pot mould
  • Release agent
  • Concrete topping mix
  • Water
  • Bucket
  • Electric drill
  • Paddle drill bit
  • Plywood

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Instructions

  1. 1

    Coat the inside of the cement flower pot mould with a release agent. Commercial products work, but you can also use vegetable oil, petroleum jelly or a blend of castor oil and denatured alcohol. To make the castor oil/alcohol mix, combine 59.1ml. of castor oil with 454gr. of alcohol. Apply the mixture with a spray bottle.

  2. 2

    Mix concrete topping mix in a bucket with water following the ratios indicated on the concrete package. Topping mix is a good choice for cement flower pots as it does not contain stones and gives your flower pots a smooth finish. An electric drill with a paddle drill bit works well to mix the cement, but you can also use a small shovel or wooden spoon.

  3. 3

    Pour the mixture into the cement flower pot mould. Tap the sides of the mould to release any air bubbles that may be trapped. Let the cement dry in the mould for 48 hours.

  4. 4

    Flip the mould upside down on a sheet of plywood to remove the flower pot. Some aluminium moulds require disassembling to remove them from the dried cement form. Allow the cement flower pot to sit for seven days before planting anything in it. This gives the concrete time to cure completely.

Tips and warnings

  • Decorate the cement flower pot with water-based concrete stain, acrylic paint, flat-backed glass marbles or mosaic tiles after curing. Clear waterproof construction adhesive works to attach embellishments to the concrete.
  • Do not allow concrete to dry on your skin. Wash any away from your skin with warm water and soap as soon as possible.

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