Comprehensive list of poisonous plants and trees

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This is from Chicken Keeping Secrets newsletter http://www.chickenkeepingsecrets.com I thought that I would post this for you all:

Hi Graham,

I'm glad you wrote and you are right to be concerned about the
oak tree.


You would absolutely need to make sure your chickens do not eat
any dropped acorns.


Oak leaves as well as acorns can be toxic to chickens and as
chickens are very curious eaters, you can't assume that they will
know to keep away from them.


Chickens will eat most anything!

This would include screws, Styrofoam, most anything so everyone
LISTEN - make sure your chickens have an area that is completely
free from anything they should not ingest.


When it comes to plants though, I know that personally I tend to
not be quite as vigilant.


Especially if it is a plant that I've planted in my garden.

For this reason, I think it would be a good idea to re-post a
list of plants that are toxic to poultry. We posted this list
quite some time ago but because we have so many new readers each
week and because we could all use a reminder, check out this list
for the safety of your flock.


ARUM LILY
AMARYLLIS
ARALIA
ARROWHEAD VINE
AUTUMN CROCUS
AUSTRALIAN FLAMETREE
AUSTRALIAN UMBRELLA TREE
AVOCADO
AZALEA
BANEBERRY
BEANS: (CASTOR, HORSE, FAVA, BROAD, GLORY, SCARLET RUNNER,
MESCAL, NAVY, PREGATORY)
BIRD OF PARADISE
BISHOP'S WEED
BLACK LAUREL
BLACK LOCUST
BLEEDING HEART OR DUTCHMAN'S BREECHES
BLOODROOT
BLUEBONNET
BLUEGREEN ALGAE
BOXWOOD
BRACKEN FERN
BUCKTHORN
BULB FLOWERS: (AMARYLLIS, DAFFODIL, NARCISSUS, HYACINTH & IRIS)
BURDOCK
BUTTERCUP
CACAO
CAMEL BUSH
CASTOR BEAN
CALADIUM
CANA LILY
CARDINAL FLOWER
CHALICE (TRUMPET VINE)
CHERRY TREE
CHINA BERRY TREE
CHRISTMAS CANDLE
CLEMATIS (VIRGINIA BOWER)
CLIVIA
COCKLEBUR
COFFEE (SENNA)
COFFEE BEAN (RATTLEBUSH, RATTLE BOX & COFFEEWEED)
CORAL PLANT
CORIANDER
CORNCOCKLE
COYOTILLO
COWSLIP
CUTLEAF PHILODENDRON
DAFFODIL
DAPHNE
DATURA STRAMONIUM (ANGEL'S TRUMPET)
DEATH CAMUS
DELPHINIUM
DEVIL'S IVY
DIEFFENBACHIA (DUMB CANE)
ELDERBERRY
ELEPHANT EAR (TARO)
ENGLISH IVY
ERGOT
EUCALYPTUS (DRIED, DYED OR TREATED IN FLORAL ARRANGEMENTS)
EUONYMUS (SPINDLE TREE)
EUPHORBIA CACTUS
FALSE HELLEBORE
FLAME TREE
FELT PLANT (MATERNITY, AIR & PANDA PLANTS)
FIG (WEEPING)
FIRE THORN
FLAMINGO FLOWER
FOUR O'CLOCK
FOXGLOVE
GLOTTIDIUM
GOLDEN CHAIN
GRASS: (JOHNSON, SORGHUM, SUDAN & BROOM CORN)
GROUND CHERRY
HEATHS: (KALMIA, LEUCOTHO, PEIRES, RHODODENDRON, MTN. LAUREL,
BLACK LAUREL, ANDROMEDA & AZALEA)
HELIOTROPE
HEMLOCK: (POISON & WATER)
HENBANE
HOLLY
HONEYSUCKLE
HORSE CHESTNUT
HORSE TAIL
HOYA
HYACINTH
HYDRANGEA
IRIS IVY: (ENGLISH & OTHERS)
JACK-IN-THE-PULPIT
JASMINE (JESSAMINE)
JERUSALEM CHERRY
JIMSONWEED
JUNIPER
KY. COFFEE TREE
LANTANA (RED SAGE)
LARKSPUR
LILY OF THE VALLEY
LILY, ARUM
LOBELIA
LOCOWEED (MILK VETCH)
LOCUSTS, BLACK / HONEY
LORDS & LADIES (CUCKOOPINT)
LUPINE
MALANGA
MARIJUANA (HEMP)
MAYAPPLE (MANDRAKE)
MEXICAN BREADFRUIT
MEXICAN POPPY
MILKWEED, COTTON BUSH
MISTLETOE
MOCK ORANGE
MONKSHOOD
MOONSEED
MORNING GLORY
MTN. LAUREL
MUSHROOMS, AMANITA
MYRTLE
NARCISSUS
NETTLES
NIGHTSHADES: (DEADLY, BLACK, GARDEN, WOODY, BITTERSWEET,
EGGPLANT, JERUSALEM CHERRY)
OAK
OLEANDER
OXALIS
PARSLEY
PEACE LILY
PERIWINKLE
PHILODENDRONS: (SPLIT LEAF, SWISS CHEESE, HEART-LEAF)
PIGWEED
POINCIANA
POINSETTIA
POISON IVY
POISON HEMLOCK
POISON OAK: (WESTERN & EASTERN)
POKEWEED
POTATO SHOOTS
POTHOS
PRIVET
PYRACANTHA
RAIN TREE
RANUNCULUS, BUTTERCUP
RAPE
RATTLEBOX, CROTALARIA
RED MAPLE
RED SAGE (LANTANA)
RHUBARB LEAVES
RHODODENDRONS
ROSARY PEA SEEDS
SAND BOX TREE
SKUNK CABBAGE
SORREL (DOCK)
SNOW DROP
SPURGES: (PENCIL TREE, SNOW-ON-MTN, CANDELABRA, CROWN OF THORNS)
STAR OF BETHLEHEM
SWEET PEA
SWISS CHEESE PLANT (MONSTERA)
TANSY RAGWORT
TOBACCO
UMBRELLA PLANT
VETCH: HAIRY/COMMON
VIRGINIA CREEPER
WATTLE
WEEPING FIG
WHITE CEDAR, CHINA BERRY
WISTERIA
YEWS
YELLOW JASMINE


...I hope you're still here and read through the list.

I know that as I typed it, I was reminded of many very common
plants that I had forgotten were unsafe for my flock.


Again for Graham, I applaud you for being concerned about the
safety of your flock and hope you can come up with a workable
solution for your chickens.


Visit us now for more great chicken keeping advice...

http://www.chickenkeepingsecrets.com/blog/
What about sable palm berries? I can't find anything on that.
 
What about vitex trees? Native to Texas and there are several on the property. The girls dig under it and sometimes peck at the dried flowers. I couldn't find anything on it. They have access to other things so I'm thinking they're just tasting it. Haven't torn it up like the calendula!!!!!!
 
What about vitex trees? Native to Texas and there are several on the property. The girls dig under it and sometimes peck at the dried flowers. I couldn't find anything on it. They have access to other things so I'm thinking they're just tasting it. Haven't torn it up like the calendula!!!!!!
I’m wondering this as well!
 
This is from Chicken Keeping Secrets newsletter http://www.chickenkeepingsecrets.com I thought that I would post this for you all:

Hi Graham,

I'm glad you wrote and you are right to be concerned about the
oak tree.


You would absolutely need to make sure your chickens do not eat
any dropped acorns.


Oak leaves as well as acorns can be toxic to chickens and as
chickens are very curious eaters, you can't assume that they will
know to keep away from them.


Chickens will eat most anything!

This would include screws, Styrofoam, most anything so everyone
LISTEN - make sure your chickens have an area that is completely
free from anything they should not ingest.


When it comes to plants though, I know that personally I tend to
not be quite as vigilant.


Especially if it is a plant that I've planted in my garden.

For this reason, I think it would be a good idea to re-post a
list of plants that are toxic to poultry. We posted this list
quite some time ago but because we have so many new readers each
week and because we could all use a reminder, check out this list
for the safety of your flock.


ARUM LILY
AMARYLLIS
ARALIA
ARROWHEAD VINE
AUTUMN CROCUS
AUSTRALIAN FLAMETREE
AUSTRALIAN UMBRELLA TREE
AVOCADO
AZALEA
BANEBERRY
BEANS: (CASTOR, HORSE, FAVA, BROAD, GLORY, SCARLET RUNNER,
MESCAL, NAVY, PREGATORY)
BIRD OF PARADISE
BISHOP'S WEED
BLACK LAUREL
BLACK LOCUST
BLEEDING HEART OR DUTCHMAN'S BREECHES
BLOODROOT
BLUEBONNET
BLUEGREEN ALGAE
BOXWOOD
BRACKEN FERN
BUCKTHORN
BULB FLOWERS: (AMARYLLIS, DAFFODIL, NARCISSUS, HYACINTH & IRIS)
BURDOCK
BUTTERCUP
CACAO
CAMEL BUSH
CASTOR BEAN
CALADIUM
CANA LILY
CARDINAL FLOWER
CHALICE (TRUMPET VINE)
CHERRY TREE
CHINA BERRY TREE
CHRISTMAS CANDLE
CLEMATIS (VIRGINIA BOWER)
CLIVIA
COCKLEBUR
COFFEE (SENNA)
COFFEE BEAN (RATTLEBUSH, RATTLE BOX & COFFEEWEED)
CORAL PLANT
CORIANDER
CORNCOCKLE
COYOTILLO
COWSLIP
CUTLEAF PHILODENDRON
DAFFODIL
DAPHNE
DATURA STRAMONIUM (ANGEL'S TRUMPET)
DEATH CAMUS
DELPHINIUM
DEVIL'S IVY
DIEFFENBACHIA (DUMB CANE)
ELDERBERRY
ELEPHANT EAR (TARO)
ENGLISH IVY
ERGOT
EUCALYPTUS (DRIED, DYED OR TREATED IN FLORAL ARRANGEMENTS)
EUONYMUS (SPINDLE TREE)
EUPHORBIA CACTUS
FALSE HELLEBORE
FLAME TREE
FELT PLANT (MATERNITY, AIR & PANDA PLANTS)
FIG (WEEPING)
FIRE THORN
FLAMINGO FLOWER
FOUR O'CLOCK
FOXGLOVE
GLOTTIDIUM
GOLDEN CHAIN
GRASS: (JOHNSON, SORGHUM, SUDAN & BROOM CORN)
GROUND CHERRY
HEATHS: (KALMIA, LEUCOTHO, PEIRES, RHODODENDRON, MTN. LAUREL,
BLACK LAUREL, ANDROMEDA & AZALEA)
HELIOTROPE
HEMLOCK: (POISON & WATER)
HENBANE
HOLLY
HONEYSUCKLE
HORSE CHESTNUT
HORSE TAIL
HOYA
HYACINTH
HYDRANGEA
IRIS IVY: (ENGLISH & OTHERS)
JACK-IN-THE-PULPIT
JASMINE (JESSAMINE)
JERUSALEM CHERRY
JIMSONWEED
JUNIPER
KY. COFFEE TREE
LANTANA (RED SAGE)
LARKSPUR
LILY OF THE VALLEY
LILY, ARUM
LOBELIA
LOCOWEED (MILK VETCH)
LOCUSTS, BLACK / HONEY
LORDS & LADIES (CUCKOOPINT)
LUPINE
MALANGA
MARIJUANA (HEMP)
MAYAPPLE (MANDRAKE)
MEXICAN BREADFRUIT
MEXICAN POPPY
MILKWEED, COTTON BUSH
MISTLETOE
MOCK ORANGE
MONKSHOOD
MOONSEED
MORNING GLORY
MTN. LAUREL
MUSHROOMS, AMANITA
MYRTLE
NARCISSUS
NETTLES
NIGHTSHADES: (DEADLY, BLACK, GARDEN, WOODY, BITTERSWEET,
EGGPLANT, JERUSALEM CHERRY)
OAK
OLEANDER
OXALIS
PARSLEY
PEACE LILY
PERIWINKLE
PHILODENDRONS: (SPLIT LEAF, SWISS CHEESE, HEART-LEAF)
PIGWEED
POINCIANA
POINSETTIA
POISON IVY
POISON HEMLOCK
POISON OAK: (WESTERN & EASTERN)
POKEWEED
POTATO SHOOTS
POTHOS
PRIVET
PYRACANTHA
RAIN TREE
RANUNCULUS, BUTTERCUP
RAPE
RATTLEBOX, CROTALARIA
RED MAPLE
RED SAGE (LANTANA)
RHUBARB LEAVES
RHODODENDRONS
ROSARY PEA SEEDS
SAND BOX TREE
SKUNK CABBAGE
SORREL (DOCK)
SNOW DROP
SPURGES: (PENCIL TREE, SNOW-ON-MTN, CANDELABRA, CROWN OF THORNS)
STAR OF BETHLEHEM
SWEET PEA
SWISS CHEESE PLANT (MONSTERA)
TANSY RAGWORT
TOBACCO
UMBRELLA PLANT
VETCH: HAIRY/COMMON
VIRGINIA CREEPER
WATTLE
WEEPING FIG
WHITE CEDAR, CHINA BERRY
WISTERIA
YEWS
YELLOW JASMINE


...I hope you're still here and read through the list.

I know that as I typed it, I was reminded of many very common
plants that I had forgotten were unsafe for my flock.


Again for Graham, I applaud you for being concerned about the
safety of your flock and hope you can come up with a workable
solution for your chickens.


Visit us now for more great chicken keeping advice...

http://www.chickenkeepingsecrets.com/blog/
 
This is from Chicken Keeping Secrets newsletter http://www.chickenkeepingsecrets.com I thought that I would post this for you all:

Hi Graham,

I'm glad you wrote and you are right to be concerned about the
oak tree.


You would absolutely need to make sure your chickens do not eat
any dropped acorns.


Oak leaves as well as acorns can be toxic to chickens and as
chickens are very curious eaters, you can't assume that they will
know to keep away from them.


Chickens will eat most anything!

This would include screws, Styrofoam, most anything so everyone
LISTEN - make sure your chickens have an area that is completely
free from anything they should not ingest.


When it comes to plants though, I know that personally I tend to
not be quite as vigilant.


Especially if it is a plant that I've planted in my garden.

For this reason, I think it would be a good idea to re-post a
list of plants that are toxic to poultry. We posted this list
quite some time ago but because we have so many new readers each
week and because we could all use a reminder, check out this list
for the safety of your flock.


ARUM LILY
AMARYLLIS
ARALIA
ARROWHEAD VINE
AUTUMN CROCUS
AUSTRALIAN FLAMETREE
AUSTRALIAN UMBRELLA TREE
AVOCADO
AZALEA
BANEBERRY
BEANS: (CASTOR, HORSE, FAVA, BROAD, GLORY, SCARLET RUNNER,
MESCAL, NAVY, PREGATORY)
BIRD OF PARADISE
BISHOP'S WEED
BLACK LAUREL
BLACK LOCUST
BLEEDING HEART OR DUTCHMAN'S BREECHES
BLOODROOT
BLUEBONNET
BLUEGREEN ALGAE
BOXWOOD
BRACKEN FERN
BUCKTHORN
BULB FLOWERS: (AMARYLLIS, DAFFODIL, NARCISSUS, HYACINTH & IRIS)
BURDOCK
BUTTERCUP
CACAO
CAMEL BUSH
CASTOR BEAN
CALADIUM
CANA LILY
CARDINAL FLOWER
CHALICE (TRUMPET VINE)
CHERRY TREE
CHINA BERRY TREE
CHRISTMAS CANDLE
CLEMATIS (VIRGINIA BOWER)
CLIVIA
COCKLEBUR
COFFEE (SENNA)
COFFEE BEAN (RATTLEBUSH, RATTLE BOX & COFFEEWEED)
CORAL PLANT
CORIANDER
CORNCOCKLE
COYOTILLO
COWSLIP
CUTLEAF PHILODENDRON
DAFFODIL
DAPHNE
DATURA STRAMONIUM (ANGEL'S TRUMPET)
DEATH CAMUS
DELPHINIUM
DEVIL'S IVY
DIEFFENBACHIA (DUMB CANE)
ELDERBERRY
ELEPHANT EAR (TARO)
ENGLISH IVY
ERGOT
EUCALYPTUS (DRIED, DYED OR TREATED IN FLORAL ARRANGEMENTS)
EUONYMUS (SPINDLE TREE)
EUPHORBIA CACTUS
FALSE HELLEBORE
FLAME TREE
FELT PLANT (MATERNITY, AIR & PANDA PLANTS)
FIG (WEEPING)
FIRE THORN
FLAMINGO FLOWER
FOUR O'CLOCK
FOXGLOVE
GLOTTIDIUM
GOLDEN CHAIN
GRASS: (JOHNSON, SORGHUM, SUDAN & BROOM CORN)
GROUND CHERRY
HEATHS: (KALMIA, LEUCOTHO, PEIRES, RHODODENDRON, MTN. LAUREL,
BLACK LAUREL, ANDROMEDA & AZALEA)
HELIOTROPE
HEMLOCK: (POISON & WATER)
HENBANE
HOLLY
HONEYSUCKLE
HORSE CHESTNUT
HORSE TAIL
HOYA
HYACINTH
HYDRANGEA
IRIS IVY: (ENGLISH & OTHERS)
JACK-IN-THE-PULPIT
JASMINE (JESSAMINE)
JERUSALEM CHERRY
JIMSONWEED
JUNIPER
KY. COFFEE TREE
LANTANA (RED SAGE)
LARKSPUR
LILY OF THE VALLEY
LILY, ARUM
LOBELIA
LOCOWEED (MILK VETCH)
LOCUSTS, BLACK / HONEY
LORDS & LADIES (CUCKOOPINT)
LUPINE
MALANGA
MARIJUANA (HEMP)
MAYAPPLE (MANDRAKE)
MEXICAN BREADFRUIT
MEXICAN POPPY
MILKWEED, COTTON BUSH
MISTLETOE
MOCK ORANGE
MONKSHOOD
MOONSEED
MORNING GLORY
MTN. LAUREL
MUSHROOMS, AMANITA
MYRTLE
NARCISSUS
NETTLES
NIGHTSHADES: (DEADLY, BLACK, GARDEN, WOODY, BITTERSWEET,
EGGPLANT, JERUSALEM CHERRY)
OAK
OLEANDER
OXALIS
PARSLEY
PEACE LILY
PERIWINKLE
PHILODENDRONS: (SPLIT LEAF, SWISS CHEESE, HEART-LEAF)
PIGWEED
POINCIANA
POINSETTIA
POISON IVY
POISON HEMLOCK
POISON OAK: (WESTERN & EASTERN)
POKEWEED
POTATO SHOOTS
POTHOS
PRIVET
PYRACANTHA
RAIN TREE
RANUNCULUS, BUTTERCUP
RAPE
RATTLEBOX, CROTALARIA
RED MAPLE
RED SAGE (LANTANA)
RHUBARB LEAVES
RHODODENDRONS
ROSARY PEA SEEDS
SAND BOX TREE
SKUNK CABBAGE
SORREL (DOCK)
SNOW DROP
SPURGES: (PENCIL TREE, SNOW-ON-MTN, CANDELABRA, CROWN OF THORNS)
STAR OF BETHLEHEM
SWEET PEA
SWISS CHEESE PLANT (MONSTERA)
TANSY RAGWORT
TOBACCO
UMBRELLA PLANT
VETCH: HAIRY/COMMON
VIRGINIA CREEPER
WATTLE
WEEPING FIG
WHITE CEDAR, CHINA BERRY
WISTERIA
YEWS
YELLOW JASMINE


...I hope you're still here and read through the list.

I know that as I typed it, I was reminded of many very common
plants that I had forgotten were unsafe for my flock.


Again for Graham, I applaud you for being concerned about the
safety of your flock and hope you can come up with a workable
solution for your chickens.


Visit us now for more great chicken keeping advice...

http://www.chickenkeepingsecrets.com/blog/
I was wondering if all FOUR O'CLOCK's are toxic as there are 2 different species of native FOUR O'CLOCK's in Northern AZ. They are different from each other and different from the garden variety.
 
My suggestion is that we be cautious about attributing toxic qualities to most of the plants on this list. There are some such as castor bean, monks hood or aconitum, and some solanums which have proven to be toxic over time, but if you Google many of these plants, such as parsley, you will find widely different attitudes about the poisonous or unwholesome qualities of this plant.

And as OP said, some of the plants' different parts might be toxic, some cultivars might be toxic, and some might be toxic at various stages of life.

If you have questions about a plant in your garden, check it out on the internet and get several different viewpoints. There's no need for you to go digging up everything around your garden just because this list says that a plant is toxic.

I appreciate the effort to repost the list, but it's always useful to have some direct source information about the assertions that we make that threaten to kill a chicken or an entire flock. Once again, more information is usually more reliable information.

I am also curious as to whether heritage breeds with their relatively long histories of survival and evolution are smarter about what to eat and what to avoid. Most of us are not raising caged birds or doing battery chicken rescues.
 

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