My call: no. Chicken of the woods is a mushroom people cook for supper, and the name is about how it tastes on a plate, not about who should eat it. I’d keep it out of your run, cooked or raw, and I’d pull any shelf your hens can reach. Here’s the short reason. Nobody I can find has fed this wild mushroom to laying hens and written down what happened. Even for people, the guides warn it can upset a stomach (Florida’s sheet names raw or undercooked pieces). And a hen eats it raw, right off the stump. Plus, my read is she can’t tell it from a jack-o’-lantern, which is poisonous and grows in the same spots. If a shelf does show up on a tree by your coop, the bigger news may be the tree.
I rewrote this page from 16 sources, all listed at the bottom. What the mushroom is, and how it treats people, comes from a University of Florida extension fact sheet and from Gary Emberger’s Fungi on Wood pages. The Bay Area Mycological Society and four Missouri Department of Conservation field guides add to that. The tree lines come from UMass, Iowa State, the University of Minnesota and that same Florida sheet. The two chicken feeding trials are from a team at National Chung Hsing University in Taiwan. The treat rule and the vet line are Colorado State’s, and the poison line is the ASPCA’s. Where a line is my own read, I’ll tell you so.
A word on the photos, and on what they can’t tell you. George Chernilevsky took the two tree shots in Ukraine. Going by the file pages, the fresh yellow shelves grew on a cherry tree, and the faded brown one was on a willow in January, nearly 5 years later. Slick shot the wet close-up near Doberschau, in Saxony, Germany. Jan Haerer took the orange cluster in the dry leaves, and that photo’s page calls it a jack-o’-lantern. Its tags also say amanita. I can’t name a species from a photo. Honestly, that’s sort of the point of that section. Bob Nichols took the broiler house for the USDA, on a farm in Texas. I picked it because broilers are what those Taiwan trials fed. Pedalito’s Saxony chickens fill the netted run and the barred-hen shot, taken 12 days apart.
The old page opened with a story I can’t back up. It said “me and ol’ Bessie my chicken were out in the woods doin’ some mushroom huntin’.” Then “Bessie comes running up with something orange in her beak”. After that came “a couple hours doin’ some hardcore Google research”. I can’t show you any of that happened, so it’s gone. Its answer went too. It said “chickens can safely eat small amounts of chicken of the woods mushrooms from time to time without any harm”, and that the mushroom is “non-toxic to chickens in reasonable portions”. It named no source for either line, and I didn’t find one. Gone with them: “One poultry expert I came across”, a growing guide that says to “Maintain humidity levels around 80%”, “Leashes” for a foraging walk, and a list of foods to mix in with it.
Some claims had nothing behind them, and a few were plain wrong. It said the mushroom is “high in protein” and then named five vitamins and minerals “that chickens need”. None of the sources I read lists those for this mushroom, so that’s out. It told you to “lightly sauté, bake or add raw to their feed as a topper.” Nope. Florida’s extension sheet says raw or undercooked shelves can upset people’s stomachs, so raw is the last way I’d serve it. It said to “Avoid blue staining or all white mushrooms”. No source I read gives a color rule like that. Florida’s sheet even says older chicken of the woods shelves fade to tan or white. It described the chicken mushroom as “Resembling a tiny white chicken drumstick” that “pops up in lawns and gardens”. Turns out chicken mushroom is just another name for chicken of the woods, Missouri’s guide says. It also listed “Maple mushrooms” with a “maroon capped” top, and I found no such mushroom in any guide I read. Then the worst one. For a hen that ate a bad mushroom, it suggested “syrup of ipecac or activated charcoal”. None of my sources tells a keeper to dose a hen with either. That’s a vet’s call, and the number to call is below.
The short version.
- My call: no chicken of the woods for your hens, cooked or raw. Pull any shelf inside the run.
- The name comes from the cooked mushroom’s chicken-like texture and taste (University of Florida), not from hens eating it.
- Raw or undercooked, it can upset people’s stomachs, and some people are allergic (University of Florida). A hen eats it raw.
- The only chicken trials I found fed young meat chicks a diet with 5% or 10% wheat bran fermented with a lab-grown strain, for 35 days. Nobody I found has fed the wild shelf to laying hens.
- An orange cluster at the base of a tree or stump could be a jack-o’-lantern, which is poisonous (Missouri, Emberger). My read: a hen won’t check for gills.
- A shelf on a tree means rot inside it. Florida’s sheet says trees in an urban setting with it need an ISA-certified arborist’s look, and my call is that a tree over the coop does too.
- If a hen ate a wild mushroom you can’t name, call a vet who sees poultry, or ASPCA Poison Control at (888) 426-4435. A fee may apply.
The Name Is About Supper, Not Hens

Chicken of the woods isn’t one mushroom. It’s a small group of closely related shelf fungi in the genus Laetiporus. The University of Florida fact sheet counts “five distinct species in North America” in the yellow one’s close group. Emberger’s page calls the yellow one “one of six species of Laetiporus in North America”. The Bay Area Mycological Society says “There are eight species in the United States.” My read: Florida counts only that close group, and Emberger and the Bay Area society just don’t agree on the rest. Honestly, for you as a chicken keeper, that doesn’t change a thing. Florida’s sheet says the ones in that close group “are all very similar to each other”, and they all go by the one name.
That name is a cook’s name. Florida’s sheet says the name is given “because they are tasty edible mushrooms”, with a “chewy texture and pleasant flavor that is similar to chicken when they are thoroughly cooked”. Tom Volk of the University of Wisconsin-La Crosse, quoted by the Bay Area society, puts it as a “remarkable resemblance to chicken meat when cooked properly.” Both of those say cooked. Missouri’s guide says it “can be used as a chicken substitute” in dishes like enchiladas. So it’s a mushroom that stands in for chicken on a person’s plate. Nothing in the name is about hens eating it.
Here’s how you’d spot one. It grows as a stack of flat, fan-shaped shelves with no stem, each cap 2 to 12 inches across (per Missouri). Florida’s sheet says they overlap “like roof shingles”. Tops run orange, and the underside is full of tiny pores, not gills. On the sulfur-colored kind the pores are “bright sulfur yellow”, Missouri’s guide says. On the pale chicken of the woods they’re “white or off-white”. Missouri’s guide to the sulfur-colored kind lists Sulfur Shelf and Chicken Mushroom as other names. A big cluster can be a real armful, “with up to 50 overlapping caps in a cluster.” Out west, the Bay Area page says they can weigh 30 pounds or more.
Where it grows matters for your backyard flock. Florida’s sheet says it’s most common on hardwoods, “especially on species of Quercus [oaks] and Prunus spp. [cherry]”. Emberger says “particularly oak”. In California, the Bay Area society says its local kind grows on “mainly oaks and eucalyptus”. Per Missouri, it can come up on stumps and logs, and on living trees and buried roots too. Emberger gives it “May through November”. So if your run sits under an old oak, it’s worth a look each summer and fall.
Now, don’t mix it up with hen of the woods. That’s a different mushroom, also called maitake. Missouri’s guide says it “Grows on the ground at the base of oak trees”, and it’s grayish brown, not orange. It’s edible for people too, but its name isn’t hen advice either. Neither name tells you what to put in a feeder.
It Doesn’t Sit Well With Everyone, Even Cooked

Even the people who love this mushroom handle it with care. Florida’s sheet says “Raw or undercooked Laetiporus mushrooms have been reported to cause gastrointestinal problems”, and it adds that some people are allergic. Emberger goes further, writing that “a significant number of people who eat this species suffer mild to moderate gastrointestinal upset and/or other symptoms.” The page adds that “Specimens growing on certain trees or consumed with alcohol are reported to cause digestive system upset.”
Missouri’s guide is friendlier about it. It calls the shelf “a choice edible”, but then it says “some people get a bit of stomach upset or swollen lips after eating them. Try just a small amount the first time.” Its rule for people is “be absolutely sure of your identification, cook it well”, and only eat a little the first time. And the Bay Area page says “caution is urged for eating any Sulphur Shelf.” It notes that some blame shelves grown on eucalyptus, “but both western species have been implicated.”
Now picture your hen with one. She won’t cook it, and she sure doesn’t know which tree it grew on. My read: nothing tells her to stop at a small bite, either. Every warning above is about people who eat it on purpose, most of them cooking it first. I didn’t find a single source on what it does to a hen. My read: if careful cooks still get told to try a little first, a hen pecking raw shelf off a stump is a guess I wouldn’t make for her.
I Found No Study That Fed It to Laying Hens

I went looking for any study that fed chicken of the woods to chickens. The closest I found were two that swapped some of the broilers’ diet for wheat bran fermented with a lab culture of it. Both are from a team at National Chung Hsing University in Taiwan, published in the journal Animals. Neither one tells you much about your laying flock. Here’s why.
First, from 2020, a trial that used “Two hundred and forty male broilers (Ross 308)”. Those are young meat chickens, started at a day old. Part of their corn was swapped for wheat bran that had been fermented with Laetiporus. And the fungus wasn’t picked off a tree. It was a lab strain “purchased from the Bioresource Collection and Research Center” and grown on a “malt extract agar” plate before it went onto the bran. That trial ran to 35 days. Its authors say a 5% mix “could potentially enhance the feed conversion ratio” of those broilers.
Then, from 2021, a trial that used “Four-hundred one-day-old male broilers (Ross 308)”. It tested the fermented product, which a table footnote spells out as “Laetiporus sulphureus fermented wheat bran”, at 5% and 10% of the diet, again for 35 days, and looked at the birds’ antioxidant levels and gut lining. Its fungus came from the same culture collection. Its authors say the mushroom’s effects on those things in broilers “has rarely been studied.”
So here’s what those trials are. They’re young meat birds, five weeks of feed, and a lab strain grown into bran and mixed into a balanced ration. But the hen in your yard is a layer who lives for years, and she’d be eating a raw wild shelf nobody checked. My read: these papers say nothing about whether that’s safe. I didn’t find a study that fed the wild mushroom itself to laying hens. Until someone does, I’m not guessing.
A Hen Won’t Check the Pores

In Missouri at least, chicken of the woods is one of the easier ones for a person with a field guide. Missouri’s guide says no other mushroom in the state matches the two “chicks” on looks and the way they grow. That’s for a person who checks the underside and the shape. My read is that your hen just sees something orange.
Thing is, there’s something orange that grows in the same spots. A jack-o’-lantern mushroom is “Bright orange to yellowish orange”, Missouri says, and it shows up “in large clusters at the base of trees, on stumps, or on buried wood.” Emberger puts it “at the base of deciduous trees and stumps or on the ground from decaying underground roots”. That page calls it “this poisonous mushroom”. Missouri says they cause “mild to severe stomach upset” and aren’t life-threatening “to healthy adults.” Read that last bit again. It’s written for adult people, and a hen is a lot smaller than you.
What tells them apart is underneath. A jack-o’-lantern has “sharp-edged gills descending the stalk”, per Missouri, and its caps run 2 to 8 inches wide. Chicken of the woods has pores and no stalk. That’s an easy check with the mushroom in your hand (flip it over and look). I’d bet it’s no check at all for a bird pecking at the base of a stump. My read: if your hens learn that orange shelves are food, you’ve taught them a rule that can make them sick.
Our page on whether chickens can eat mushrooms has the wider rule, and it fits here. Plain, cooked mushrooms from the store are a small treat. Wild ones in the yard get pulled and thrown out, every one.
My Call: Keep It Out of the Run

So here’s what I’d do. Walk your run and the yard your hens free-range in. Look at the stumps and the bases of trees, and at any old logs. If you find a shelf, pull it and bag it for the trash (not the compost they scratch in). Missouri’s guide says it “Can reappear on the same site for years”, so check that same spot every summer and fall.
If you forage chicken of the woods for your own supper, that’s between you and your field guide. Missouri’s rule is to be sure of the ID and cook it well. But my call is that the trimmings and leftovers don’t go to the flock either. None of my sources shows they’re good for a hen, and the cooked mushroom still upsets some people.
My read: your hens aren’t missing anything. Colorado State says “Treats should make up no more than 10% of their daily diet”. It also says not to give more than they’ll eat in 5 to 10 minutes, so you don’t draw in pests. That’s pretty much the whole treat rule. That tenth is small, so spend it on treats with a clear yes behind them, like kale and spinach or a little corn. Our pages on those lay out their sources. We keep a short list of what not to feed chickens, too.
One more thing I checked. I asked our food checker about mushrooms, wild mushrooms and chicken of the woods. It doesn’t rate any of them. None of its sources rules on them, it says, so it won’t guess. I’d treat that the same way. When there’s no source, the answer for your flock is no.
The Shelf Is Telling You About the Tree

Chicken of the woods doesn’t just sit on a tree. It eats it (from the inside). UMass Extension says it causes a brown rot that “leads to dramatic reductions in wood bending strength”. It says trees with advanced infections may be “susceptible to uprooting or stem failure under loading from strong winds”.
And the shelf shows up late. Iowa State’s Rosanne Healy writes that by the time one appears on a living tree, “it usually means that the fungus has been there for years”. UMass warns that “extensive decay may be present with no external symptoms”. The University of Minnesota lists it under heart rot of oaks, as “folds of yellow to bright orange fungal tissue arising in a clump”. It says the tree’s canopy “may show no symptoms” at all. Florida’s sheet says once the shelves are seen, “it is too late to prevent the establishment of the fungus.”
Iowa State names the risk as “falling limbs, or the downing of the whole tree.” It adds, “If the tree is close to habitation, removal may be a necessary precaution.” A coop full of hens isn’t a house, I mean, but it’s close enough for me. Florida’s sheet says “Trees in an urban setting” that may have the fungus should be “inspected and assessed as potential hazard trees by an ISA-certified arborist”. For a tree out in the woods, it says leaving it alone may make more sense. My call: a tree over your coop counts as the first kind. UMass says such trees “should receive a thorough tree risk assessment.” Is it worth it for a coop? I think so.
My call: if the shelf is on a tree that hangs over your coop or run, get an arborist out before the next big windstorm. Pulling the shelf off keeps it away from your hens. It does nothing for the rot inside, though. So let the arborist tell you whether that tree should stay.
If a Hen Already Ate Some

Say you catch a hen with a piece in her beak. Don’t panic, and don’t reach for home remedies. Here’s what I’d do, from the sources I read and our mushroom page.
First, take the rest of the mushroom away and figure out what it was. If you can’t name it for sure, bag a whole piece with its base, so someone who knows mushrooms can see it. Our mushroom page gives the same advice.
Then call for help. Colorado State says “Flock owners must have an identified veterinarian in their area that can diagnose and treat chickens.” If you don’t have one yet, that’s a good job for this week. If the vet can’t be reached, ASPCA Poison Control is at (888) 426-4435. Its page says it handles “any animal poison-related emergency, 24 hours a day, 365 days a year.” It also says “A consultation fee may apply.”
Our old page had a list of symptoms to watch for. It gave no source, so I cut it, and I’m not going to replace it with a guess. Colorado State’s broader advice is to “check and observe their birds daily”. Watch the hen that ate it, and if she seems off, call the vet. That’s the honest version.
Sources
- Benitez, Paez, Smith and Smith, UF/IFAS Extension: Chicken of the Woods (Laetiporus sulphureus species complex), PP358 (October 2020).
- Gary Emberger, Fungi on Wood: Laetiporus sulphureus.
- Gary Emberger, Fungi on Wood: Omphalotus illudens (jack-o’-lantern).
- Gary Emberger, Fungi on Wood: Grifola frondosa (hen of the woods).
- David Rust, Bay Area Mycological Society: Western Sulphur Shelf.
- Missouri Department of Conservation field guide: Sulfur-Colored Chicken of the Woods.
- Missouri Department of Conservation field guide: Pale Chicken of the Woods.
- Missouri Department of Conservation field guide: Jack-o’-Lantern.
- Missouri Department of Conservation field guide: Hen of the Woods (Maitake).
- UMass Extension: Root and Butt Rot caused by Laetiporus cincinnatus and L. sulphureus.
- Rosanne Healy, Iowa State University Extension, Yard and Garden: Heartwood Rots of Trees (September 2025).
- University of Minnesota Extension, Oak: fungi growing on trunk or branches (heart rot).
- Lin and Lee, National Chung Hsing University, in Animals (2020): Effects of Laetiporus sulphureus-Fermented Wheat Bran on Growth Performance, Intestinal Microbiota and Digesta Characteristics in Broiler Chickens.
- Lin and Lee, National Chung Hsing University, in Animals (2021): The Laetiporus sulphureus Fermented Product Enhances the Antioxidant Status, Intestinal Tight Junction, and Morphology of Broiler Chickens.
- Colorado State University Extension: Raising Poultry the Organic Way, Disease Control and Feeding.
- ASPCA Animal Poison Control Center.
Sources checked November 2, 2026. Keeping chicken of the woods away from hens, cooked or raw, is my call, and so is pulling every shelf in the run and keeping kitchen trimmings from the flock. Reading the two broiler trials as no answer for laying hens is my read. So is reading the warnings for people as a reason to keep a raw shelf from a hen. Calling an arborist for a tree over the coop is my call, built on what UMass, Iowa State and the University of Florida say about the rot. We aren’t vets. If a hen looks sick, call a vet who sees poultry.
Related read: How to Raise Chickens for Eggs — Instant PDF download. Secure checkout by Stripe
