A Wacan Berry will mature from a planted seed to a full-grown, fruit-bearing tree in 72 hours, with 18 hours per stage. A Wacan tree will yield 1-5 berries.
Poffin Cooking
At 100% performance, a Wacan Berry can produce a Level 19 (probably higher) Sweet-Sour Poffin while cooking alone.
In the TCG
The following is a list of cards named or holding a Wacan Berry.