Kanto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Route 2
north, towards Pewter City
In the morning
+10%
L7
At night
+4%
L10
Route 2
south, towards Viridian City
In the morning
+10%
L7
At night
+4%
L10
Viridian Forest
In the morning
+10%
L7

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in rustling grass
Route 12
5%
L50