Collard greens — Food safety facts
Safe to share · Dogs · full breakdown on the linked food page
Steamed and plain is safe in small amounts.
The full verdict, portion guidance and serving notes are collected on the Collard greens food facts page.
Short answer
Yes, plain, cooked collard greens are safe for dogs in small amounts. Just ensure the stew didn't contain any harmful ingredients like onions, garlic, or excessive salt. Offer your dog some fresh water and keep an eye out for any mild stomach upset. If you notice vomiting or diarrhea, check in with your own vet.