Posted: 28/06/2012 at 23:22
Well I just found this on a website called The Lily Pad "Do lilies "revert" back to ancestral types?
No, this is not the case. Oriental lilies cannot change to Asiatic types, nor can lilies change their basic color. Mutations are remotely possible, but extremely rare. In certain instances, color intensity can be affected by environmental variables, but this is probably a one season fluke."
Alternatively were you wearing your sun glasses at the time? If I fancy a change of colour in the garden I pop on my sunnies. Much cheaper than buying new plants!