Can chickens eat kale?
Yes Yes, a safe treat
Yes — kale is one of the best greens for chickens.
Why
Purina lists kale among recommended greens and notes dark leafy greens may give darker yolks. Fresh Eggs Daily recommends kale and collards as more nutritious than lettuce.
How to serve kale
- Whole leaves, chopped, or hung for pecking
Be careful with
- Still a treat — within the treat allowance
The treat rules for every food
- 1Scraps are not nutritionally balanced. Letting them displace complete feed can cause nutritional disorders and lower egg production; hens that fill up on treats can run short of calcium and draw it from their bones, weakening shells.
- 2Never feed moldy, rotten or spoiled food. Molds can produce mycotoxins (e.g., aflatoxin on corn, peanuts, nuts, rice) that harm poultry, and University of Kentucky notes mycotoxins remain even if visible mold is removed. Rotting food can also be a source of Clostridium botulinum (botulism, 'limberneck'). Stale or wilted (not moldy) produce and bread are generally considered fine.
- 3Avoid very salty, sugary, fatty, fried or heavily processed human food (chips, fast food, candy, heavily salted leftovers). Merck notes salt above about 2% of the diet is usually considered dangerous for poultry, that birds under 21 days old are more susceptible, and that restricted water access makes salt problems worse.
- 4Provide insoluble grit (granite grit or small stones) whenever chickens eat whole grains, scratch, seeds or forage; birds that can reach the ground usually find their own. Oyster shell is a calcium source, not grit (it is too soft). Birds eating only a complete pelleted feed do not need grit.
Sources
- 1What to Feed Chickens: Chicken Treats to Feed and Avoid (Patrick Biggs, Ph.D.)Purina Animal Nutrition
- 215+ Foods You Shouldn't Feed to your Chickens (Lisa Steele)Fresh Eggs Daily
- 3What Can Chickens Eat? Guide to Healthy Treats (Lisa Steele)Fresh Eggs Daily
- 4What Do Chickens Eat? Everything You Can (And Can't) Feed Your Chickens (with Anthony Pilny DVM DABVP-Avian; medically reviewed by Chewy vets; Apr 30, 2025)Chewy
- 5The Complete Guide to What Chickens Can Eat (Alexa Lehr, updated 08/21/2026)Grubbly Farms
General guidance, not veterinary advice. How we check the facts.