Are water lilies poisonous to humans?
Also question is, are lilies toxic to humans?
Mildly Toxic Lilies "Mildly toxic" is a relative term. It refers to plants that produce a minor digestive reaction, such as diarrhea or vomiting, but not serious illness or death when eaten. Varieties of Zephyranthes lilies are toxic to people.
Likewise, are water lilies poisonous?
Water lilies are not true lilies and are instead a part of the genus Nymphaea and so are not poisonous to cats but still can be poisonous to dogs if ingested in large amounts. It is, however, essential to check which species as the White Water Lily is not poisonous but the Yellow Water Lilies are poisonous.
To confuse things further, day lilies are sometimes known as tiger lilies. But that is also an accepted common name of Lilium lancifolium, an Asian lily with poisonous raw buds, poisonous spotted flowers (also orange) and poisonous leaves. Its bulbs, however, are edible when cooked.