A Baby Blue Gym Sock.
The Baby Blue Gym Sock is a rare flower, according to Edd, in the world of Ed, Edd n Eddy. Baby Blue Gym Socks resemble daffodils with blue petals, yellow coronas and stigmas, and green stems and leaves. The origin of the flower's name remains unknown. Baby Blue Gym Socks first appeared in "An Ed Too Many", when Ed found it while searching with his friends for a four-leaf clover and Edd gave it to Sarah.
A hybrid of a rose and a Baby Blue Gym Sock appeared in "A Fistful of Ed". Jimmy claims that only hands "as gentle as hummingbirds' wings" could cross-pollinate them, thus earning Jimmy's trust in Edd's innocence.