|Cutie Mark:||Blank Flank|
Petunia has purple hair, coat and eyes. Petunia's cutie mark is never seen, therefore it is unknown. Her name comes from the flower Petunia which is mainly purple.
Petunia has only made two appearances throughout the whole My Little Pony Friendship is Magic series; her first appearance was in The Ticket Master and her last appearance was in The Cutie Mark Chronicles. Petunia made her debut appearance in The Ticket Master.