Petalburg Woods
Pokemon Ruby and Sapphire
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Cascoon | 5 | Walking in tall grass or a cave | 10% |
 Shroomish | 5-6 | Walking in tall grass or a cave | 15% |
 Silcoon | 5 | Walking in tall grass or a cave | 10% |
 Slakoth | 5-6 | Walking in tall grass or a cave | 5% |
 Taillow | 5-6 | Walking in tall grass or a cave | 5% |
 Wurmple | 5-6 | Walking in tall grass or a cave | 25% |
 Zigzagoon | 5-6 | Walking in tall grass or a cave | 30% |
Pokemon Emerald
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Cascoon | 5 | Walking in tall grass or a cave | 10% |
 Poochyena | 5-6 | Walking in tall grass or a cave | 30% |
| Shroomish | 5-6 | Walking in tall grass or a cave | 15% |
| Silcoon | 5 | Walking in tall grass or a cave | 10% |
| Slakoth | 5-6 | Walking in tall grass or a cave | 5% |
| Taillow | 5-6 | Walking in tall grass or a cave | 5% |
| Wurmple | 5-6 | Walking in tall grass or a cave | 25% |