Tomatoes are a bit of a “yes and no” food. The ripe fruit is a healthy favorite that many flocks love — but the tomato plant belongs to the nightshade family, and its green parts can make chickens sick. Knowing the difference keeps your birds safe.
Are tomatoes safe for chickens?
Ripe tomatoes are safe and genuinely good for chickens in moderation. The red flesh provides:
- Lycopene and vitamin C — antioxidants that support immune health.
- Vitamins A and K — for vision, skin, and clotting.
- Hydration — tomatoes are over 90% water.
Treats like tomatoes should stay within 10% of the diet; the other 90% is complete feed. See what chickens should eat for the full breakdown.
Why green tomatoes, leaves & stems are dangerous
The tomato plant is part of the nightshade family, and its unripe fruit and greenery contain solanine (and the related tomatine) — natural toxins that protect the plant. In chickens, large amounts can cause digestive upset, lethargy, and in severe cases more serious illness. As a tomato ripens and turns red, solanine levels in the fruit drop to safe levels. The rule is simple: ripe red flesh only — never green tomatoes, vines, or leaves. If you grow tomatoes, keep free-ranging hens away from the plants.
How many tomatoes can a chicken eat?
A few bite-sized pieces of ripe tomato per bird, two or three times a week, is a good amount. Tomatoes are low in sugar compared with fruits like banana, but they’re still a treat — too many crowd out the balanced feed hens need to lay well.
Can baby chicks eat tomatoes?
Only small amounts of ripe flesh, and only once chicks are a few weeks old and have access to chick grit. Until then, chick starter should be nearly their entire diet. Never give chicks any green tomato or plant material.
How to serve tomatoes safely
- Chop ripe tomatoes into bite-sized pieces and scatter them for foraging.
- Offer overripe or bruised tomatoes from the kitchen — perfectly fine as long as they’re not mouldy.
- Skip tomato sauce, ketchup, or seasoned tomato dishes — salt and additives aren’t good for chickens.
Frequently asked questions
Can chickens eat green tomatoes?
No. Green, unripe tomatoes contain solanine and should not be fed. Only ripe red tomatoes are safe.
Can chickens eat tomato leaves and plants?
No. The leaves, stems, and vines are toxic. Keep free-ranging chickens away from tomato plants.
Are cooked tomatoes safe for chickens?
Plain cooked tomato flesh is fine, but avoid sauces, ketchup, and seasoned dishes because of added salt and sugar.
How many tomatoes can a chicken have?
A few bite-sized pieces per bird, two or three times a week, within the 10% treat limit.
Do chickens like tomatoes?
Most do — ripe tomatoes are a popular, hydrating treat, especially in summer.
More kitchen scraps: see if chickens can eat strawberries, oranges, or avocado (an important safety read) — and read the full feeding guide.
Ripe tomatoes are fine; the leaves and stems are not. The full picture on solanine and every other real risk is in what not to feed chickens.