Pet safety
Is Red Romaine Lettuce toxic to dogs?
Lactuca sativa var. longifolia 'Rouge d'Hiver'
No — red romaine lettuce is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Cultivated lettuce (Lactuca sativa) is ASPCA-listed as non-toxic to cats and dogs. Safe to share in small washed amounts; large quantities may cause mild loose stools. Do not confuse it with wild bitter lettuce (Lactuca virosa).
Is red romaine lettuce toxic to dogs? — FAQ
Is red romaine lettuce toxic to dogs?
No — red romaine lettuce is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. Cultivated lettuce (Lactuca sativa) is ASPCA-listed as non-toxic to cats and dogs. Safe to share in small washed amounts; large quantities may cause mild loose stools. Do not confuse it with wild bitter lettuce (Lactuca virosa).
Is red romaine lettuce safe for dogs?
Yes — the ASPCA lists red romaine lettuce as non-toxic to dogs and dogs. A dog that chews a large amount of any foliage can still get a mild, brief stomach upset, so discourage grazing, but it will not be poisoned.
Is red romaine lettuce toxic to cats too?
The ASPCA classification Growli uses applies to both cats and dogs: Red Romaine Lettuce is non-toxic to cats as well. See the full red romaine lettuce pet-safety guide for both species.
What other plants are safe for dogs?
Reliable ASPCA non-toxic picks for a dog home include spider plant, calathea, parlor palm, peperomia, and most true ferns. Browse the best dogs-safe plants list to check more before you buy.
Type any plant to see what the ASPCA says about it and your dog.
Full red romaine lettuce pet-safety
- Is lettuce toxic to dogs? — the species this cultivar belongs to, checked separately
- Is red romaine lettuce toxic to cats and dogs? — the full guide for both pets
- Is red romaine lettuce toxic to cats?
- Best dogs-safe plants — the full ASPCA non-toxic list
- Complete red romaine lettuce care guide
- Best plant app for pet owners — which apps actually flag ASPCA toxicity before you buy the plant
Writing about plant safety? Embed our free pet-toxicity checker on your site — ASPCA-grounded verdicts for 11,000+ plants, no sign-up.