Errores

Although Flower may have learned of 420 since her death (and she isn't known for learning anything), she died two years before the term was coined.

Given that they were one of Flower's great loves in life, there's a chance information specifically related to recreational drugs would be one of the few things that would stick in her after-death memory.

At 4:51 a crew member wearing a white shirt is visible in the background of Thor and Trevor.