Kanto

FireRed FireRed LeafGreen LeafGreen
Walking in tall grass or a cave
Three Isle Port
100%
L5–35
100%
L5–35

Johto

HeartGold HeartGold SoulSilver SoulSilver Crystal Crystal Gold Gold Silver Silver
Walking in tall grass or a cave
Dark Cave
Violet City entrance
1%
L4
During a swarm
+40%
L2–3
1%
L4
During a swarm
+40%
L2–3
During a swarm
+40%
L2–4
Not during a swarm
In the morning
+1%
L4
Not during a swarm
During the day
+1%
L4
Not during a swarm
At night
+1%
L4
During a swarm
+40%
L2–4
Not during a swarm
+1%
L4
During a swarm
+40%
L2–4
Not during a swarm
+1%
L4
HeartGold HeartGold SoulSilver SoulSilver Crystal Crystal Gold Gold Silver Silver
Smashing rocks
Dark Cave
Violet City entrance
90%
L4–8
90%
L4–8

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Route 208
During a swarm
+40%
L18
During a swarm
+40%
L16
During a swarm
+40%
L16

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in tall grass or a cave
Route 12
5%
L48
5%
L48
Black 2 Black 2 White 2 White 2 Black Black White White
Walking in dark grass
Route 12
5%
L59
5%
L59
Black 2 Black 2 White 2 White 2 Black Black White White
Walking in rustling grass
Dreamyard
10%
L57
10%
L57
Floccesy Ranch
inner
10%
L5
10%
L5
Nature Sanctuary
10%
L57
10%
L57
Route 1
10%
L57
10%
L57
Route 12
10%
L36
10%
L36
Route 18
10%
L57
10%
L57
Route 2
10%
L57
10%
L57
Route 20
10%
L3
10%
L3
Route 6
10%
L25
10%
L25
Victory Road
unknown area 72
10%
L49
10%
L49
Victory Road
unknown area 73
10%
L49
10%
L49
Victory Road
unknown area 79
10%
L49
10%
L49
Village Bridge
10%
L37
10%
L37

Kalos

X X Y Y
Walking in tall grass or a cave
Route 22
5%
L7
5%
L7
Route 3
5%
L5
5%
L5
X X Y Y
Walking in yellow flowers
Route 22
5%
L26
5%
L26