Concrete planters bring instant sculptural appeal to patios, balconies, and garden beds. The secret to making them look custom is not expensive equipment—it’s choosing unexpected molds. Use a basic concrete mix, cooking spray or petroleum jelly as a release agent, and gloves. Let each planter cure fully before planting.
- Plastic Bottle Planters: Cut large water or soda bottles to different heights. Their tapered shapes create modern, lightweight-looking pots that are perfect for succulents.
- Old Towel Bowls: Dip a thick towel in concrete mix, drape it over an upside-down bucket, and let it harden. The folds form a dramatic, stone-like planter.
- Colander Planters: A plastic colander makes drainage easy. Coat it with concrete, or use it as an inner mold inside a larger container for a textured bowl.
- Cardboard Box Cubes: Use sturdy boxes to create crisp square planters. Nest a smaller box inside to form the planting cavity, then remove both after curing.
- Bundt Pan Bowls: An old bundt pan produces a decorative circular planter with a center opening—ideal for trailing plants or a tiny fountain feature.
- Rubber Boot Pots: Retired rain boots make whimsical molds. Fill them with concrete and place a smaller container inside; the finished planters are wonderfully playful by a garden path.
- Bubble-Wrap Texture: Line a container with bubble wrap before pouring. Once removed, the planter will have a fun dotted surface that catches light beautifully.
- Leaf-Imprint Trays: Press large hosta, rhubarb, or monstera leaves into wet concrete laid over a sand mound. The result is a shallow, botanical planter or birdbath.
- Stacked Food Containers: Yogurt tubs, deli containers, and takeout boxes are excellent for making a coordinated collection of small geometric pots.
- Wood-Grain Molds: Line a simple rectangular mold with rough wood offcuts or textured shelf liner. The concrete picks up a convincing timber-inspired finish without the maintenance of wood.
For drainage, press an oiled cork, straw, or short piece of tubing through the bottom before the concrete sets. Sand sharp edges after curing, then leave the concrete natural or add exterior paint for a bold statement garden display.