Plants - The Baddies

There are many plants that may be eaten by us but are considered poisonous to our native wildlife.

Most of these plants are introduced species.

Listed Below Are A Few Of The More Common "Poisonous" Plants And Weeds

Angels Trumpet

Angel's Trumpet (datura spp.) - the flowers and seeds of all species


Avocado - fresh & dried leaves, bark, skin & seeds are toxic to cattle, goats, horses, rabbits, birds & fish


Azalea species

Blue Green Algae

Blue-green algae on ponds and dams

Bracken Fern

Bracken Fern (pteridium esculentum) - leaves

Broccoli & Cabbage

Broccoli, Brussel Sprouts, Cabbage, Cauliflower, Kohlrabi, Mustard & Turnip belong to the species Brassica Oleracea. Other plants in the Brassica family are Watercress, Radish, Horseradish & Wasabi. They can cause a build up of gas in the stomach of marsupials, they are also known to cause gastroenteritis, pain and diarrhoea. Other animals can be affected such as sheep, cattle, swine & rabbits


Camellia blossoms are toxic to brushtail possums and macropods


Carnation (dianthus caryophyllus) - the leaves & flowers are toxic to macropods

Cassia (Senna Coluteoides)

Cassia (senna coluteoides) is considered an environmental weed

Castor Oil Plant

Castor oil plant (ricinus communis) - seeds,
this is a declared noxious weed in some areas


Celery can cause bowel blockage


Clover causes bloat

Coastal Myall (Acacia Binervia)

Coastal Myall (acacia binervia)

Cotoneaster (Cotoneaster Pannosus)

Cotoneaster (cotoneaster pannosus) - berries

Crabapple (Malus Domestica)

Crabapple (malus domestica) - leaves & fruit

Crofton Weed (Ageratina Adenophora)

Crofton weed (ageratina adenophora)


Daffodil flowers and the bulb contains poisons

Deadly Night Shade

Deadly Nightshade comes under Solanaceae species which also includes Potatoes and Capsicums - they can be toxic to wildlife. 
Sweet Potato is from the Yam family & is safe for marsupials to eat.

Deane's Wattle

Deane's Wattle (acacia deanei) - leaves

Euphorbia Peplis

Euphorbia Peplis


Foxglove (digitalis) - the whole plant is poisonous and can cause diarrhoea, abdominal pain and convulsions

Grass Tree (Xanthorrhea spp.)

Grass Trees (xanthorrhea spp.)


Guava leaves & seedlings cannot be digested by macropods, the fibre blocks the tract, causing inflammation, pain, toxic shock & death


Hemlock (conium maculatum) - all parts of the plant are poisonous. Cattle, pigs, horses & poultry are more susceptible than sheep & goats. Symptoms may show as quickly as 12 minutes & death may occur in 2 to 3 hours. Swamp Wallabies do not seem to be affected, but other macropods may


Hydrangea (hydrangea spp.)

Holly (Ilex Aquifoliaceae)

Holly (ilex aquifoliaceae)


Irises are toxic to all animals

night flowering Jasmine

Jasmine - night flowering species

Kiwi Fruit

Kiwi Fruit skin is associated with bowel blockages

Lantana (Lantana Camara)

Lantana (lantana camara) - the red flowering type is more toxic

Iceberg Lettuce

Lettuce leaves can be very dangerous to possums, they become lethargic and can have seizures from eating this.

Liquid Amber

Liquidambar (liquidambar styraciflua) - leaves


Lucerne can cause bloat when fresh and green. Protein levels in lucerne increases during the drying process, macropods do not need a lot of protein in their diet, too much especially when young can cause their limbs to become deformed


Oleander (nerium oleander) - wilted leaves

Privet (ligustrum Sinense)

Privet (ligustrum sinense)

Passionfruit (Passiflora Edulis)

Passionfruit (passiflora edulis) - leaves

Paterson's Curse also known as Salvation Jane

Paterson's Curse (echium plantagineum) also known as Salvation Jane, the seeds can cause liver damage & even kidney failure

Peppercorn Tree (Schinus Molle)

Peppercorn Tree (schinus molle)

Phalaris Grass

Phalaris Grass

Photinia (Photinia Glabra)

Photinia (photinia glabra)

Pokeweed (Phytolacca Americana)

Pokeweed (phytolacca americana) - cattle, horses, sheep & swine have been poisoned by ingesting this


Ragwort is one of the most common causes of poisoning in cattle and horses. It causes diarrhoea & colic


Rhododendron (rhododendron spp.)


Rhubarb is poisonous to animals when large quantities of leaves are eaten. It causes abdominal pain, diarrhoea, convulsions, coma & death

Rhus (Cotinus Coggyria)

Rhus (cotinus coggyria)


Roses - some species

Rubber Tree (Ficus Elastica)

Rubber Trees (ficus elastica) - leaves

Soursob (Oxalis Pes-caprae)

Soursob (oxalis pes-caprae)

Sugar Gum (Eucalyptus Cladocalyx)

Sugar gum (eucalyptus cladocalyx) - suckers and mature leaves, especially if wilted

Tea Tree

Tee Tree Oil can cause skin irritation, redness & swelling

Umbrella Tree (Schefflera Astinophylla)

Umbrella Tree (schefflera astinophylla) - new shoots

Wandering Jew (Tradescantia Albiflora)

Wandering Jew (tradescantia albiflora) - can cause skin irritation

Wisteria (Wisteria Sinensis)

Wisteria (wisteria sinensis) - the new tendrils

Yesterday, Today and Tomorrow Plant (Brunfelsia Australis)

Yesterday, Today And Tomorrow plant (brunfelsia australis) - especially wilted leaves

White Cedar (Melia Azedarach)

White Cedar (melia azedarach) - especially the berries

White Moth Plant (Araujia Hortorum)

White Moth Plant (araujia hortorum) - climber and seeds

Yew (Baccata)

Yew (baccata) - can kill macropods within 24 hours


Help our wildlife by avoiding these plants in your garden - better still use indigenous plants, that way both you and our native wildlife will benefit. 

Your garden will be a safe haven for birds, frogs, lizards etc. so that future generations will still be able to enjoy them.



How can you help?

  • Sponsor
    An animal in our care.
  • DonateTo the care and rehabilitation of animals in our shelter.
  • ProvideSupplies and services to assist us with ongoing care.
  • Fundraise For UsSchools, groups, organisations are invited to raise much needed funds.
  • VolunteerWould you like to do something really worthwhile to help our injured wildlife?