Scientific Name: Heteromeles arbutifoliaCommon Name: Toyon Thorns/Spines?How is this plant unsafe?How do you plant safely?NoUnripe berries are poisonous because they contain cyanogenic glycosides which can convert to poisonous cyanide if eaten.Ripe berries should have reduced amounts of toxins in them but it is safer to avoid eating the berries altogether.Supervise pets and children playing near this plant.