Is Sum and Substance Hosta Safe for Dogs? | PlantWise

Is hosta" class="plant-link">Sum and Substance Hosta Safe for Dogs?

Sum and Substance Hosta is not listed as toxic to dogs by the ASPCA.

According to ASPCA plant toxicity data, Sum and Substance Hosta (Hosta 'Sum and Substance') is not listed as toxic to dogs. This makes it a reasonable choice for gardens where dogs roam freely.

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Important Safety Disclaimer

Always consult your veterinarian if you suspect your pet has ingested any plant material. Even plants not listed as toxic can cause digestive upset in some animals. For emergencies, contact the ASPCA Animal Poison Control Center at 888-426-4435 (available 24/7; a consultation fee may apply).

The information on this page reflects current ASPCA listings and is provided for general reference only β€” it is not a substitute for professional veterinary advice.

About Sum and Substance Hosta

Sum and Substance Hosta is a perennial that grows in partial shade and thrives in USDA zones 3–9. It reaches 24–48 inches tall, blooming from July through August with pale lavender flowers.

What About Cats?

Sum and Substance Hosta is also not listed as toxic to cats according to the ASPCA.

Creating a Pet-Safe Garden

If you are designing a garden with pets in mind, consider these principles:

  • Research before planting β€” always verify ASPCA toxicity status for any new plant
  • Supervise new plantings β€” curious pets may chew on unfamiliar plants regardless of toxicity
  • Provide a pet-safe zone β€” designate an area with confirmed pet-safe plants where pets can roam freely
  • Know the emergency number β€” keep the ASPCA hotline (888-426-4435) saved in your phone

Find Sum and Substance Hosta Plants

Browse our complete Sum and Substance Hosta plant profile for full care details, companion planting ideas, and where to buy.


Pet safety information is based on ASPCA toxicity listings and is provided for general reference only. Always consult a licensed veterinarian for advice specific to your pet. PlantWise uses "not listed as toxic" language rather than "safe" β€” individual animals may react differently to any plant material.

This article was generated with AI assistance and contains affiliate links. PlantWise may earn a commission at no extra cost to you. Plant care data is based on USDA and ASPCA sources. Full disclosure.

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