Poisonous Plants
Not many people are fully aware of the breadth of plants which are toxic or harmful to their cats. Below is a list of various plants that at the time of printing were known to be poisonous.
Flowering Plants
Poisonous part
Monkshood
All
Autumn Crocus or Meadow Saffron
All esp. corm and seed
Lily of the Valley
All
Larkspur
Seeds and leaves
Foxglove
All
Christmas Rose (Hellebore)
All
Iris – Blue Flag
All
Lupin
All esp. seed
Narcissus & Daffodil
Bulb
American Mandrake
All esp. green berries
Flowering Plants
Poisonous part
Rhubarb
Leaves
Potato
All greave parts
Ornamental Shrubs and Trees
Poisonous part
Broom
Seeds
Mezereon (Daphne)
All esp. bark and berries
Laburnum
All esp. bark and seeds
Cherry Laurel
All
Rhododendron & Azalea
Leaves and flowers
Kalmia & American Laurel
Leaves and flowers
Calico Bush & Sheep Laurel
Leaves and flowers
Yew
Leaves and seeds
Weeds and Hedgerow Plants
Poisonous Part
Deadly Woody Black & Garden Nightshade
All
White & Black Bryony
All
Greater Celandine
All
Thorn Apple (Datura)
All
Spindle
All
Spurges
All
Privet
Berries and leaves
Buttercup & Crowfoot
Sap
Woodland Plants
Poisonous Parts
Fly Agaric (Amantia)
All
Panther and Death Cap
All
Cuckoo Pint
All esp. berries
Lords and Ladies
All esp. berries
Wild Arum
All esp. berries
Spurge Laurel
All esp. berries and bark
Dog’s Mercury
All
Oak
Acorn and leaves
Poison Ivy
All
Swamp Plants
Poisonous Parts
Marsh Marigold
Sap
Kingcup
Sap
Cowbane
All
Hemlock and Water Dropwort
All esp. new leaves
House Plants
Poisonous Parts
Dumb Cane
All
Poinsettia
Sap leaves flowers and fruit
Hyacinth
Bulb
Caster Oil Plant
Seeds
Mistletoe
Berries
This article was written some years ago. Please make your own checks to reflect current knowledge when buying plants or allowing your own cats near to them.
Weeds and Hedgerow Plants |
Poisonous Part |
Deadly Woody Black & Garden Nightshade | All |
White & Black Bryony | All |
Greater Celandine | All |
Thorn Apple (Datura) | All |
Spindle | All |
Spurges | All |
Privet | Berries and leaves |
Buttercup & Crowfoot | Sap |
Woodland Plants |
Poisonous Parts |
Fly Agaric (Amantia) | All |
Panther and Death Cap | All |
Cuckoo Pint | All esp. berries |
Lords and Ladies | All esp. berries |
Wild Arum | All esp. berries |
Spurge Laurel | All esp. berries and bark |
Dog’s Mercury | All |
Oak | Acorn and leaves |
Poison Ivy | All |
Swamp Plants |
Poisonous Parts |
Marsh Marigold | Sap |
Kingcup | Sap |
Cowbane | All |
Hemlock and Water Dropwort | All esp. new leaves |
House Plants |
Poisonous Parts |
Dumb Cane | All |
Poinsettia | Sap leaves flowers and fruit |
Hyacinth | Bulb |
Caster Oil Plant | Seeds |
Mistletoe | Berries |