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Is Miracle-Gro potting soil toxic to cats? What symptoms to watch for?

Updated On September 23rd, 2025

Can I use Miracle grow indoor/outdoor potting soil around my cat? Or do I need to keep it out of her reach? It says keep out of childrena reach I'm assuming that since it says it "feeds for up to 6 months" that I need to keep her away from it as well but I'm actually honestly 100% sure If the dirt poses any real risk for her so I thought I'd ask. Because it does feed the plant for up to 6 months. IF she got into it what do I need to watch for, as far as poisoning/toxic signs an needing a vet?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 22nd, 2017

The problem with potting soil of any kind is that cats love to dig in it. There can be harmful ingredients in the potting soil such a chemical fertilizers added to make the plant grow and insecticides to kill pests. Given this potting soil feeds plants for up to six months, I would assume that it contains chemical fertilizers that can potentially hurt your cat. To prevent her from having any chance of getting into this potting soil, I would hang your plants from the walls or ceiling. That would keep her from getting into them. As for toxic signs, it depends on the ingredients in the soil, but you could see neurological signs (difficulty walking, seizures, tremors), vomiting, anorexic, and extreme lethargy. I would hang your plants from the ceiling to keep your cat from getting into the soil at all. You can also create greenhouselike terrariums with lids to keep her out of the plants.

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