Today, 11/11, is Remembrance Day in Britain and elsewhere in the world.
If you don't have it where you come from, I'll explain:
At 11 O' clock exactly upon this day, the entirety of Britain falls silent for two minutes in remembrance of the soldiers who lost their lives fighting for us in the many wars from WW1 onwards.
The poppy represents this day, since they were the first things to grow in the fields of battle after WW1 ended.
Hence, Bookworm's swapped her clover for a poppy, and has magically created a huge poppy from red petals