From the given stats and Effort Points, Roserade's IVs are: 6-7 / 20 - 21 / 12-13 / 8-9 / 20-21 / 31
I need exact IVs... However, this IV spread was possible, calculated via this
applet:
IVs: 6 / 21 / 12 / 9 / 20 / 31
PID: 4153079411 [F78AF673] | Created by Method 1 | Gender Number: 115 | Ability: 1
1 possibility
Method 1 is for wild DPPt Pokemon. Roserade should be female. Ability 1 is Poison Point.
Next, I followed this
video to deduce your Secret ID. If everything went right, then your Secret ID should be 63496.