Transform leftover cardboard fireworks tubes into striking yard columns using wet cement and two inexpensive additions. This DIY project repurposes otherwise discarded materials into durable and stylish garden features, offering an eco-friendly and cost-effective way to enhance your outdoor space. The resulting columns are not only functional but also provide a unique aesthetic that can serve both decorative and practical purposes in your garden.
Place these cylindrical columns at the entrance of a garden path or around a patio to create a sense of structure and elegance. Style them with surrounding greenery or floral arrangements to accentuate their natural cement texture. Their neutral tone complements a variety of garden styles, from rustic to modern minimalist, and they can be used to support outdoor lighting or as standalone decorative pieces.
Cement Firework Tube Yard Columns

Materials
3 spent cardboard fireworks tubes, approximately 3 feet tall and 4 inches in diameter
1 bag of quick-setting cement mix (50 lbs)
Water (as required by cement mix instructions)
2 bags of decorative pebble stones
3 plastic plant saucers, matching diameter of cardboard tubes
Directions
Prepare your workspace by laying a beige drop cloth to protect the ground from cement spills.
Stand the three cardboard fireworks tubes upright on the drop cloth, ensuring they are stable and not leaning.
Mix the quick-setting cement according to the instructions on the bag, adding water until the mixture reaches a thick, pourable consistency.
Carefully pour the wet cement into each cardboard tube, filling them to the top.
Gently tap the sides of the tubes to remove any air bubbles and ensure the cement settles evenly within the tube.
While the cement is still wet, press decorative pebble stones into the top surface of the cement in each tube to create a textured finish.
Place a plastic plant saucer under each tube to catch any potential overflow and to provide a stable base once the cement cures.
Allow the cement to set and cure fully, following the time guidelines provided by the cement mix instructions, typically 24-48 hours.
Once cured, the cardboard can be left as a protective layer or carefully peeled away to expose the cement column if desired.

Variations & Tips
For a personalized touch, consider painting the exterior of the cardboard tubes before pouring in the cement, using outdoor weather-resistant paint. This allows for color coordination with existing garden decor. Additionally, varying the size of the pebble stones or using colored glass pieces can create different textural effects on the column tops. For a different functional use, insert metal rods into the wet cement to serve as plant trellises or to support outdoor lighting fixtures.