Hazard Information

Route: Ingestion     Plant Part: All Scale: Low

Green potatoes are unsafe, as are the tomato like fruits produced. Causes digestive disturbances to drowsiness, hallucinations and unconsciousness.


Common Name(s)


Latin Name

Solanum Tuberosum


The leaves grow along the stem with a single leaflet, often the largest at the tip and two lateral rows  of broad oval leaflets interspersed with varying numbers of smaller leaves. The flowers are white, pale purple or tinged with red depending on the variety. After flowering many varieties produce fruits similar to small green tomatoes. The tubers are produced on white underground stems.


All parts of the plant growing above the ground contain alkaloids, after prolonged exposure to light potatoes themselves turn green and can be harmful if eaten.


The tomato like fruits which appear after flowering can be attractive to children and if eaten can cause vomiting and diarrhoea. Potatoes that have sprouted and turned green in colour are unsafe to eat, even if peeled and cooked can cause varying symptoms. Mild cases are usually digestive disturbances, more severe cases vomiting, diarrhoea, drowsiness, hallucinations and unconsciousness.  

Flowering Period

Late spring.


Gardens, allotments etc.