A Chilan Berry will mature from a planted seed to a full-grown, fruit-bearing tree in 72 hours, with 18 hours per stage. A Chilan tree will yield 1-5 Berries.
Poffin cooking
At 100% performance, this Berry can produce a Level 20 (maybe higher) Dry-sweet Poffin.
Trivia
Unlike the other Berries in this series, the Chilan Berry simply weakens any kind of attack of its type. This is because there is no type that takes super effective damage from Normal attacks.