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Gardening Know How has published a guide to eight ways gardeners can reuse empty food cans, including starting seeds, protecting seedlings from cutworms and organizing tools. The article also advises cleaning cans, managing sharp edges, adding drainage holes and accounting for rust; some suggested uses, such as bird deterrents, may have limited effects.
Gardening Know How has published a guide to eight ways to reuse empty food cans in the garden, from seed-starting pots and cutworm collars to storage for garden supplies. The report presents the projects as low-cost ways to reuse cans, while advising readers to clean them, address sharp edges and make drainage holes before putting them to work.
The guide says cans can serve as seed-starting containers or as holders for plant cuttings, another example of repurposing household containers in the garden. It recommends making several holes in the base for drainage and using a light, sterile seed-starting mix rather than garden soil. Because metal does not breathe like terracotta, the article advises checking the growing mix before watering. To remove a plant, gardeners can cut off the can’s bottom and push the root ball out.
Another proposed use is a collar to help protect young plants from cutworms. The article says to remove both ends of a can, place it around a seedling and press it about 1–2 inches into the soil, leaving part of the collar above ground. It also suggests using cans to hold twine, labels and hand tools, or as scoops for compost and granular garden products, similar to using old storage bins in the garden. A can used for fertilizer should be cleaned and stored dry, the guide says.
The remaining ideas include making a small planter for compact herbs, hanging cans as a makeshift bird deterrent and creating punched-metal lanterns. For planters, the article recommends drainage holes and says dark-colored metal can heat quickly in full sun. It advises freezing water inside a can before punching lantern holes so the ice supports the sides. The supplied source extract describes only part of the lantern instructions and does not provide the complete details for all eight projects.
Practical Uses for Empty Cans
The guide offers gardeners ways to reuse household waste for small, everyday tasks rather than buying a separate pot, scoop or storage holder. Some projects also make use of a can more than once: the article describes starting a pepper seedling in one, then removing its bottom and using it as a collar around the plant.
The suggestions are not presented as guaranteed solutions. A can collar may help against cutworms, but the guide says slugs can still climb over one. Likewise, hanging cans may briefly startle birds, though they can become accustomed to the movement and noise. Readers should treat these as limited, practical experiments—not reliable pest-control methods.
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Preparing Cans for Garden Use
The source describes its recommendations as part of Gardening Know How’s “Dirt Cheap Gardening” series. It says cans are commonly discarded after use and can be kept for later projects, including seed starting in late winter and lanterns or hollow-stem shelters during colder months.
Before reuse, the article recommends washing cans with hot, soapy water and loosening labels and adhesive. Sharp rims are a safety concern: a smooth-edge opener can leave a duller lip, while jagged edges may need to be flattened with pliers or filed. The source advises wearing gloves while handling or modifying cans. It also notes that many cans are steel with a thin tin coating, so they can eventually rust, particularly when exposed to rain or wet soil.
““They’re stiff, hold soil and water without leaking, and cost nothing after being discarded.””
— Gardening Know How
Limits of the Suggested Uses
The supplied source excerpt does not identify the article’s publication date and ends partway through the lantern instructions. It also does not include the full descriptions of all eight listed ideas, so the complete set cannot be independently detailed from the material provided here.
The guide does not provide test results comparing can projects with commercial alternatives. It warns that cans may rust over time and that bird deterrence can fade, but gives no lifespan estimates or measurements of pest-control effectiveness. Outcomes will depend on the can, its condition and how it is used.
Before Reusing a Can
Gardeners following the guide should start by washing each can and checking its rim for sharp or jagged metal. Add drainage holes before using one as a planter or seed pot, and handle tools and cut edges with care. For outdoor projects, monitor cans for rust and remove or recycle those that have deteriorated; the article says cans too far gone for reuse can generally go with metal recycling.
The source offers no announced follow-up or testing schedule. Its practical next step for readers is to choose a suitable project and judge the can’s condition and performance over time.
Key Questions
Can an empty tin can be used as a seed pot?
Yes. Gardening Know How suggests making drainage holes in the bottom and filling the can with sterile seed-starting mix. Check moisture before watering because metal does not breathe like terracotta.
How can a can help protect seedlings from cutworms?
The guide recommends removing both ends of a can and placing it around a young plant, with about 1–2 inches buried and part of the collar above the soil. It does not describe this as protection from every garden pest.
Will cans rust outside?
They can. The article says many cans have a thin tin coating over steel, which can wear through with exposure to rain and wet soil. It suggests painting the outside of cans intended to remain outdoors for a longer period and recycling cans that become too degraded.
How should sharp can edges be handled?
Clean the can first, wear gloves while working, and flatten jagged edges with pliers or file them down. The source says a smooth-edge opener can leave a duller rim than a regular opener.
Do hanging cans reliably keep birds away?
No reliable result is established in the report. It says moving, clattering cans may startle birds, but birds may get used to them, so it describes the method as a short-term deterrent.
Source: rss
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