Here is what makes concrete planters cheaper

Concrete planters are easy, cheap to make.

Update: 2019-07-17 04:36 GMT

Washington: What’s the difference between cement and concrete? Though the two terms are often used interchangeably, cement is an ingredient in concrete, which also includes aggregates like sand, gravel or stone. I knew nothing about either product when I decided to try making some rustic/industrial planters suitable for small succulents. What I quickly discovered: This stuff is heavy. By far, the hardest part of this project was loading the materials into and out of my car.

I found tutorials online involving several types of molds filled with different products to create vessels in all kinds of shapes and sizes. I settled on three techniques, one using balloons to create round planters, one using plastic cups and bowls, and a third using a cardboard mold to make a faceted shape.

Though I only tried making planters, Pinterest led me to dozens more ideas, ranging from coasters and candle holders to bookends. Which is great, because with about 100 pounds of concrete and cement left over, I think lots of my friends and family will be getting chunks of concrete instead of lumps of coal in their Christmas stockings this year?

Here’s what I found, with each method rated from 1 to 10, with 10 indicating the least expensive, easiest and best results:

Balloons:

The creator of the website Artsy Pretty Plants has used concrete to make planters out of eggs, wine corks and even a sneaker, but I decided to try her tutorial for molding cement around a balloon. She recommends Rapid Set Cement All, which I found in a 25-pound box for about $15. That made this project the most expensive, but I found it the easiest to mix. I also liked the light colour, and can envision using it for other projects.

This technique involves mixing the cement with water and spreading it over half an inflated balloon set over a cup to hold it in place. Once dry, the process is repeated on the other side, leaving some of the balloon clear to form the opening of the planter. The balloon is later popped and removed.

I ran into a bit of trouble because the gloves I bought were too big, making it unwieldy to apply the cement evenly. While the multiple steps stretched this project out longer than the other methods, the cement set quickly. The result was an intriguing shape and texture, definitely the most rustic of the three.

Bowls:

The Garden Therapy website includes instructions on making planters using plastic bowls, food storage containers, and odds and ends you might find in your recycling bin such as small plastic tubs or yogurt cups. This method recommends topping or repair concrete. I used Quikrete Sand/Topping Mix, which cost about US dollar 6 for a 60-pound bag.

Vegetable oil is essential for oiling the molds. After being mixed with water, the concrete is poured into a mold, and then a second, smaller container filled with rocks or pebbles is set into it, to weigh it down. Once the concrete hardens for 24 hours, the planters can be popped out of the molds.

I used a large cap from a container of laundry detergent for one of my inner molds, and was unable to remove it, probably because the surface had ridges and I didn’t get enough oil in them. I had much better luck placing a smooth plastic drinking cup inside a larger bowl. Overall, this method was fairly easy and I liked the smooth results and rounded shapes I produced.

Cardboard:

Geometric, faceted shapes are popular in home decor, and I had high hopes for the tutorial I found at Gray House Studio, which features gorgeous furniture plans, tutorials and decorating projects.

This method required a bit of prep work: creating a mold out of cardboard. It was easy to put together and involved just taping together a series of triangles, but this would not be the method to use if you want to make a bunch of planters at the same time.

The recommended concrete, Quikrete Crack Resistant Pro Finish Concrete Mix, cost about US dollar 6 for 80 pounds, making this the most affordable technique. But, I found it harder to work with because it contained a lot of pebbles, and my finished product has some gaps where I didn’t completely fill the mold.

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