Is African Blue Lily Poisonous to Dogs or Cats? Plants » African Blue Lily August 25, 2021 African blue lily Scientific Name: Agapanthus orientalisAlso Known As: Blue African lily, lily of the Nile, African lily (UK) Is It Toxic? YesToxins: UnknownSymptoms: Conjunctivitis; irritation and mouth ulceration, vomitingToxic Parts: General: Not likely to be fatal because of immediate oral discomfort