Wailmer Pail

Description
This is a tool for watering Berries you planted to make them grow more quickly

Acquisition
Defeat 10 Pokémon on Route 13 or Route 15. When either is complete, the Wailmer Pail will appear in the Key Items list, and the farm will be unlocked with one slot to plant Berries.

Effects
You can now access the Farm on the corner of Route 14 and Route 15, allowing you to plant Berries to use for trades.