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Entry 497Filed under Breeding

Can You Dig It? Compost and Fertilizer Safety Tips for Pets

Compost and fertilizer risks depend on the ingredients and amount eaten. Keep pets away and contact a veterinarian or animal poison-control service promptly after suspected ingestion.
2-minute read By Animalso Team
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Yes—compost and fertilizer can be harmful to pets, but the risk depends on what is in them and how much an animal eats. Keep pets away from compost and stored fertilizer. If your pet may have swallowed either, contact a veterinarian or animal poison-control service promptly and have the product packaging or ingredient list ready.

Why compost and fertilizer can be dangerous

Compost can contain toxic food waste and mold

Compost may include discarded foods that are hazardous to pets, including garlic, onion, and grape products. Mold growing in compost can also produce tremorgenic mycotoxins—poisons that may cause neurologic signs. A pile that looks like ordinary garden waste is not necessarily safe to investigate or eat.

Possible signs after compost ingestion include vomiting, agitation, panting, drooling, poor coordination, tremors, and seizures. Pet Poison Helpline says symptoms may begin within 30 minutes to several hours, but timing and severity can vary. These are potential clinical signs, not a checklist to wait for before seeking help.

Fertilizer ingredients and amount matter

Fertilizers are mixtures, not a single substance. They commonly contain plant nutrients and may also contain trace minerals or additives such as herbicides, pesticides, or fungicides. Some cause gastrointestinal irritation; larger ingestions or particular ingredients can result in more serious illness. ASPCA lists severe vomiting, diarrhea, hindlimb weakness, pain, uncoordinated walking, and tremors among possible effects.

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#1 Best Overall
Jobe's Organics Fast Acting Granular Fertilizer Compost Starter, Easy Plant Care Compost Accelerator, 4 lbs Bag
  • Organic compost starter speeds up the composting process and is ideal for outdoor compost piles
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  • Compost starter is easily applied and should be used every 4-6 weeks or as needed
  • Jobe's Organics provides a wide variety of plant fertilizer and soil amendments to give gardens the right amount of nutrients without over fertilizing

Meal-based fertilizers deserve particular caution: a large ingestion may form a mass in the stomach, with possible obstruction or pancreatitis. A label that says “organic” or “natural” does not by itself establish that a product is safe for pets; the ingredients and amount consumed still matter.

How to keep pets out of compost and fertilizer

  • Block access to compost. Use a fence or barrier that your pet cannot get around, under, or through, or use a closed compost bin. Choose a setup that can be secured against your pet’s behavior.
  • Store fertilizer securely. Keep products in their original packaging and out of pets’ reach, and follow the label’s storage directions.
  • Keep the ingredient information accessible. If an exposure happens, the package or a clear photo of its label can help a veterinarian or poison-control service assess the specific product.
  • Consider nearby garden materials. Cocoa-bean-hull mulch is a separate garden hazard: ASPCA warns that ingestion can cause chocolate-like gastrointestinal, cardiac, and neurologic effects.

What to do if your pet may have eaten compost or fertilizer

  1. Contact a veterinarian or animal poison-control service promptly. Do not wait for symptoms to appear or try a home remedy before getting professional advice.
  2. Gather the details. Have the product container or ingredient list available. If compost was involved, describe what food waste or other material may have been in it, when the exposure may have happened, and what signs you have noticed.
  3. Follow professional instructions. Treatment depends on the substance and exposure. Do not attempt to induce vomiting or perform veterinary decontamination at home unless a veterinary professional specifically instructs you to do so.

ASPCA Poison Control’s article, “Can You Dig It? Compost and Fertilizer Pet Safety Tips!” (July 18, 2022), advises: “If you suspect that your pet ingested something potentially toxic, please call your veterinarian or ASPCA Poison Control at (888) 426-4435 immediately.” Contact details can change, so verify the number when you call.

Best Value
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Brut Cow Compost – Nutrient-Rich Composted Cow Manure Organic Soil Amendment – 100% Pure Compost, Additive-Free Fertilizer for Vegetable Gardens, Flowers, Lawns & Indoor Plants – 10 Quart
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R&M Organics Compost Soil Amendment Fertilizer for Garden Plants & Lawns
  • Nutrient-Rich Organic Compost for Healthy Soil: Support stronger plant growth with this premium organic compost made from dairy cow manure. This all purpose soil amendment helps replenish essential nutrients often depleted after harvests, making it ideal for vegetable gardens, fruit trees, flowers, lawns and container plants.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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