Rusty container

HomeblessingsMay 2, 2012

I found an old galvanized steel tub that i want to plant some veggies in. It is quite rusted on the bottom. Will the rust hurt the plants or effect the safety or taste of the veggies?

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Ohiofem(6a Ohio)

I don't think you need to worry. Rust is iron oxide, which will add a small amount of iron to your potting mix, which is not a problem. Galvanized steel is coated with zinc to prevent rusting, so if that is what your planter is made of, it must be very old or battered. I was curious about your question since I've considered growing in galvanized trash cans. I found the site below, which reassured me.

Here is a link that might be useful: Is galvanized steel harmful to the soil?

    Bookmark   May 2, 2012 at 7:27PM
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greentiger87

Just to ad, you need to be aware of the heating effect of metal containers - they can cook the roots of your plants, especially in full sun.

I was gifted a couple of large pepper plants (at least 4 or 5 years old) in an old dryer drums. Yes, really. Fortunately the grey enamel and the punched holes all along the sides prevent heat build up... and the peppers are thriving.

    Bookmark   May 7, 2012 at 6:24PM
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