Is Cardboard Safe for Vegetable Gardens?

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Asked By G4rDenL0ver23 On

I've noticed a lot of recommendations for using cardboard as a weed barrier under raised vegetable gardens, but I'm worried about the chemicals it might contain, like insecticides, fire retardants, and petroleum-based adhesives. It seems counterintuitive to use something that might be harmful near the food we're growing. Has anyone else thought about this?

3 Answers

Answered By NatureNinja92 On

Most cardboard used for gardening is actually pretty safe, especially if you choose plain brown cardboard without any colorful inks. The glues used nowadays are biodegradable too, so I wouldn’t stress too much about those chemicals making it into your food. It’s widely considered a great way to suppress weeds!

Answered By FoodieFarmer77 On

I totally understand your concern! I used some unwaxed cardboard for my organic veggies, mainly because it was free and I felt it was a better option than letting it go to waste. I think it helps as a weed barrier, but if you have specific worries, it might be worth sharing sources for your claims. It’s always good to be informed!

Answered By PlantPal69 On

Honestly, I'd say cardboard is fine for gardening. I think the fears about harmful chemicals are a bit overstated. Just avoid glossy or colored cardboard, and you’ll be fine. Plus, it’s compostable, which is a bonus for the garden!

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