From Bulbapedia, the community-driven Pokémon encyclopedia.
The Pamtre Berry (Japanese: シーヤのみ Shīya Fruit) is a type of Berry introduced in Generation III. It has no other purpose than to be mixed with other Berries to create Pokéblocks or Poffin to raise a Pokémon's Contest condition.
Growth and harvest
A Pamtre Berry will mature from a planted seed to a full-grown, fruit-bearing tree in 72 hours, with 18 hours per stage. A Pamtre tree will yield 1-2 Berries.
A Pamtre Berry will mature from a planted seed to a full-grown, fruit-bearing tree in 60 hours, with 15 hours per stage. A Pamtre tree will yield 3-15 Berries.
At 100% performance, this Berry will contribute 250 units of powder.
At 100% performance, this Berry may produce a level 31 (maybe higher) Dry-Sweet Poffin.
||シーヤのみ Shīya no Mi
||From ヤシ Yashi (Palm Tree).
||자야열매 Jaya Yeolmae
||From 椰子 (야자) Yaja (Palm Tree).
||Literally "purple palm".