Botanical Name	Common Name	Toxic parts	Known symptoms of poisoning
Caladium bicolor  cultivars	Caladium	Leaves, roots, stem	Burning & irritation of the mouth & lips
Cyclamen sp.	Cyclamen	Tuber, roots
Dieffenbachia seguine & D. maculata	Dumb Cane	All parts	Intense burning and irritation of the tongue. Tongue can swell leading to choking. CAN BE FATAL
Philodendron scandens & others	Philodendron	All parts	Painful burning & swelling of the mouth

Ornamentals in the garden
 

Botanical Name	Common Name	Toxic parts	Known symptoms of poisoning
Aloe vera	Aloe vera	All parts	Eczema, cathartic (purging by irritation of the large intestine), nephritis
Brugmansia candida   & cultivars	Angel's Trumpet	All parts	FATAL
Rhododendron cultivars	Azalea & Rhododendron	All parts	FATAL. Nausea and vomiting, depression, difficult breathing, prostration & coma.
Colchicum autumnale	Autumn Crocus	All parts, esp.Bulbs	Vomiting and nervous excitement. POTENTIALLY FATAL.
Robinia pseudoacacia	Black Locust	Bark, foliage, sprouts	Children suffered nausea, weakness & depression following chewing of bark and seeds.
Ranunculus	Buttercup	All parts	Irritant juices may severely injure the digestive system.
Zantedeschia aethiopica	Calla Lily	Leaves, rhizome
Ricinus communis	Castor Oil Plant	Seeds	Known to cause fatalities from a single seed. Adult lethal dose is 1 or 2 seeds. FATAL
Prunus species &  cultivars	Cherry	Twigs, foliage	FATAL. Contains a compound that releases cyanide when eaten. Gasping, excitement and prostration are common symptoms. Also lethargy, sweating, vomiting, coma.
Abutilon	Chinese Lantern
Consolida ambigua	Consolida
Cotoneaster species	Cotoneaster	Berries
Daphne species	Daphne	Berries	FATAL. A few berries can kill a child. Abdominal pain, diarrhoea, mouth irritation, salivation, thirst, kidney congestion.
Narcissus species & cultivars	Daffodil, Jonquils	All parts, esp. Bulbs	Nausea, vomiting, diarrhoea, dizziness, abdominal pain. MAY BE FATAL
Hedera helix	English Ivy	All parts	Blistering, laboured breathing, convulsions, diarrhoea, vomiting, paralysis. FATAL
Digitalis purpurea	Foxglove	All parts	Large amounts cause dangerously irregular heartbeat & pulse, digestive upset & mental confusion. MAY BE FATAL
Ilex aquifolium	Holly	Leaves, berries	Diarrhoea, nausea, vomiting.
Hyacinthus sp.	Hyacinth	Bulb
Hydrangea	Hydrangea	Leaves, flower buds	Abdominal pain, lethargy, gastroenteritis, vomiting, diarrhoea, coma.
Iris some sp. & cultivars	Iris	Rhizomes, leaves	Severe digestive upset, blistering.
Lantana camara	Lantana	Green berries	FATAL. Affects lungs, kidneys, heart & nervous system.
Delphinium	Larkspur	Young plant, seeds	Digestive upset, nervous excitement, depression. MAY BE FATAL.
Convallaria majalis	Lily-of-the-Valley	Leaves, flowers	Irregular heartbeat & pulse, accompanied by digestive upset and mental confusion
Lobelia - some species	Lobelia	All parts	Pain, sweating, vomiting, paralysis, collapse, coma. FATAL.
Solanum pseudocapsicum	Madiera Cherry, Jerusalem Cherry or Winter Cherry	All parts	Abdominal pain, gastroenteritis, vomiting.
Quercus sp.	Oak	Foliage, acorns	Symptoms are slow to appear, may take several days - weeks & affects kidneys. Large amount required for poisoning to occur, can lead to death.
Nerium oleander	Oleander	All parts	FATAL. Smoke also known to be toxic when burnt. Abdominal pain, drowsiness, dizziness, nausea, coma.
Euphorbia pulcherrima	Poinsettia	All parts	Exzema, nausea, vomiting
Ligustrum species	Privet	Berries	Diarrhoea, vomiting, gastroenteritis.
Lathyrus odoratus	Sweet Pea	Seeds
Tanacetum vulgare	Tansy	All parts	FATAL. Cumulative poison leading to convulsions and death.
Datura stramonium	Thorn Apple,  (Jimson Weed)	All parts	Abnormal thirst, distorted sight, delirium, incoherence & coma. Common cause of poisoning. Has proved FATAL.
Tulipa - some species	Tulip	Bulb, leaves, stem.	Exzema, weakness, laboured breathing, salivation, sweating, nausea, vomiting.
Parthenocissus quinquefolia	Virginia Creeper	Berries, leaves	Vomiting. FATAL.
Melia azedarach	White Cedar	Berries	FATAL. 6-8 ripe fruit has caused death in children. May be rapid or some days later. Nausea, vomiting, diarrhoea, severe thirst, cold sweat, sleepiness, convulsions.
Wistaria species & cultivars	Wistaria (Wisteria)	Seeds, pods	Mild to sever digestive upset. Many children are poisoned by this plant. Abdominal pain, nausea, vomiting, dehydration, diarrhoea, collapse.

Vegetables
 

Botanical Name	Common Name	Toxic parts	Known symptoms of poisoning
Malus cultivars	Apple	Seeds
Asparagus officinalis	Asparagus	Raw young shoots
Solanum melongena	Eggplant	All parts except fruit
Solanum tuberosum	Potato	Sprouts and green parts. Also fruits.	Abdominal pain, confusion, drowsiness, hallucination, gastroenteritis, headache, vomiting, trembling. FATAL.
Rheum X cultorum	Rhubarb	Leaves (blades)	Large amounts of raw or cooked leaves can cause convulsions, coma, followed rapidly by death. CAN BE FATAL
Prunus species & cultivars	Stone fruit  (Apricot, Cherry, Peach, Plum)	Leaves, twigs & Seeds	FATAL. Contains a compound that releases cyanide when eaten. Gasping, excitement and prostration are common symptoms. Also lethargy, sweating, vomiting, coma.
Lycopersicon esculentum	Tomato	Green parts