| Oddish Day | |
| Release Dates: September 17th 2023 The sixteenth Pokémon GO Limited Research Day focuses on Oddish as well as Grass-type Pokémon |  | 
| Anchors |  Effects |  Spawns |  Field Research |  Showcase | 
Event Effects
| Effect | Type | 
| Capture Stardust | *2 | 
| Shiny Oddish Chance | Increased | 
| XXS/XXL Oddish Chance | Increased | 
Spawn Increases In Event
Specific Pokémon
| No. | Pic | Name | Type | |
| #0046 | 
 | Paras   |     | |
| #0048 | 
 | Venonat   |     | |
| #0069 | 
 | Bellsprout   |     | |
| #0285 | 
 | Shroomish   |   | |
| #0315 | 
 | Roselia   |     | |
| #0331 | 
 | Cacnea   |   | |
| #0590 | 
 | Foongus   |     | |
| #0761 | 
 | Bounsweet   |   | 
Showcases In Event
| No. | Pic | Name | |
| #0043 | 
 | Oddish | 
Event Exclusive Field Research
| Task | Reward | ||
| Battle in a Gym | 
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| Catch 5 Pokémon | 
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| Earn a Candy exploring with your buddy | 
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| Earn 3 hearts with your buddy | 
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| Make a Great Curveball Throw | 
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| Make 3 Curveball Throws in a row | 
 | ||
| Make 3 Nice Throws in a row | 
 | ||
| Make 3 Nice Curveball Throws | 
 | ||
| Make 3 Great Throws | 
 | ||
| Make 5 Curveball Throws | 
 | ||
| Power up Pokémon 3 times | 
 | ||
| Send 3 Gifts and add a sticker to each | 
 | ||
| Spin 2 PokéStops or Gyms | 
 | ||
| Use a supereffective Charged Attack | 
 | ||
| Use 3 Berries to help catch Pokémon | 
 | ||
| Use 3 Pinap Berries to help catch Pokémon | 
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