Board Thread:Plants vs. Zombies 2/@comment-25546049-20151206051217/@comment-24275721-20151206191517

TheHandsomePlant wrote: Crossposting from previous part: "I wanted to tell you guys about it but I forgot... :P

Yesterday or two days ago, I got an ad after beating LC Day 31 which was gave me a sale to get Toadstool 20% off! So if you still didn't buy it, or you're waiting for its price to cheapen, then beating this level is the best thing for you!" Does it only appear after beating LC D31?