There are many popular garden plants that are toxic to our pets if eaten. The severity of symptoms can range from mild to severe gastrointestinal signs such as vomiting or diarrhoea, to shock, cardiovascular failure, or death. This is a list of plants toxic for pets. This list will continually be updated so please ensure you check the list for plants you may be adding to your garden.

Last updated: 21/10/15

ALOE VERA 

poison-plants-aloevera

ANEMONE or WINDFLOWER (A. coronaria)
ANTHURIUM
AMERICAN HOLLY
ASPARAGUS FERN See ‘Fern’
AVOCADO

Avocados contain an oil-soluble toxic to birds and large animals. They don’t appear to be a risk to dogs and cats unless fruit falls from a tree. The avocado seed is a risk because it will cause an obstruction if swallowed. Read more about avocados in Toxic Food For Pets.

AZALIAS See ‘Rhododendron’
BAMBOO – FALSE BAMBOO (Nandina Domestica) and LUCKY BAMBOO

poison-plants-luckybamboo

CALADIUM BICOLOR An indoor foliage plant
CASTOR OIL PLANT (Ricinus communis)
CHALICE VINE (Solandra maxima)
CHERRY TREE (Prunus serrulata)

CHIVES

poison-plants-chives

Chives and other members of the onion family contain toxins that attack the red blood cells and patients are often critical by the time noticable symptoms appear. Read more about Chives and Onions in Toxic Food For Pets.

Symptoms: lethargy, orange or red tinged urine.

CLEMATIS
COTONEASTER (Cotoneaster glaucophylla)
CYCADS
poison-plants-cycad

Cycads contain a substance that causes the break down of your pet’s liver cells. By the time symptoms are noticed potentially fatal damage may have already occured. Urgent Veterinary attention is required if a pet has eaten any part of a cycad plant. [READ MORE]

Symptoms: vomiting, diarrhea, weakness, seizures and any signs associated to liver failure.

 DAFFODILS (Narcissus varieties)
DAPHNE
DELPHINUMS
DEVIL’S IVY (Epipremnum aureum)
DICENTRA (Dicentra spectabilis)
DIEFFENBACHIA
EUPHORBIAS See ‘Pointsettia’
FERNS – ASPARAGUS, EMERALD, LACE and PLUMOSA FERNS
FERTILISERS

These contain concentrate compounds and additives.

Symptoms:  mostly gastrointestinal with some needing supportive veterinary care.

FOXGLOVE (Digitalis purpurea)
GARLIC

As with Chives and Onions, garlic plants can be toxic to pets if they are ingested. Read more in the Toxic Food for Pets list.

Symptoms: lethargy, orange or red tinged urine.

GLADIOLA
GOLDEN ROBINIA (R. pseudoacacia ‘Frisia’)
HELLEBORE (Helleborus orientalis)
HEMLOCK (Conium maculatum)
HYDRANGEAS
INDOOR PLANTS

Indoor varieties of plants on this list cannot be ignored. This also includes flowers from florists that appear on this list such as Lillies and Ferns.

IVY
JASMINE
JERUSALEM CHERRY (Solanum pseudocapsicum)
LANTANA (L. camara)
LILAC (Syringa varieties)
LILLIES

poison-plants-lilliesAll parts of this plant are toxic to cats. This includes cut flowers from florests as well as garden plants.

Symptoms: sudden vomiting, depression, darrhea, dehydration and a lack of appetite.

 LILIUMS

All parts of the plant are particularly toxic to kittens and cats, causing kidney failure and death; reactions are not quite so severe in dogs.

LOBELIA (Lobelia Cardinalis)
MACADAMIA NUTS

Macadamia trees are abundant in Australia and it is important to monitor pets when they are around these trees. Macadamias cause poisoning and all patients experience different levels of sensitivity to the toxin. Read more about macadamias in Toxic Food for Pets.

Symptoms: lethargy, vomiting, tremors, abdominal pain, lameness, joint stiffness or pale gums.

MARIJUANA

MORNING GLORY SPECIES

MOUNTAIN LAUREL (Kalmia varieties)

NIGHTSHADE (Solanum nigrum)

OAKS

Quercus varieties – the acorns are toxic to pets.

OLEANDERS (Nerium oleander, Thevetia peruviana)

ONIONS

poison-plants-onion

As with Chives, pets around gardens containing onion plants need to be monitored closely. Toxins in onions and associated plants effect the red blood cells and patients become critical before any symptoms are noticed. You can read more about Onions in the Toxic Food for Pets List.

PHILODENDRON
POINCIANA

Not the tropical tree, the shrub Caesalpinia pulcherrima

POINTSETTIA

POTATO PLANTS and green potatoes
PRIVET (Ligustrum varieties)

RHODODENDRON including azaleas
RHUBARB (presumably the leaves)
SAGO PALM