| Type | grass | 
| Category | Status | 
| Power | 0 | 
| Accuracy | 100 | 
| PP | 20 | 
| Introduced | Generation 6 | 
Forest's Curse adds the Grass type to the target. If the target is dual-typed they essentially become a triple-typed Pokémon.
It fails if one of the Pokémon's types is already Grass. If the target is under the effect of Trick-or-Treat the Ghost type is replaced by Grass.
When a Pokémon is holding Grassium Z and uses its Z-Power, Forest's Curse turns into Z-Forest's Curse and raises all stats one stage each, in addition to its usual effect as above.
| X Y O.Ruby A.Sapphire | The user puts a forest curse on the target. Afflicted targets are now Grass type as well. | 
| Sun Moon Ultra Sun Ultra Moon | The user puts a forest curse on the target. The target is now Grass type as well. | 
| Sword Shield | The user puts a forest curse on the target. The target is now Grass type as well. | 
| B.Diamond S.Pearl | This move can’t be used. It’s recommended that this move is forgotten. Once forgotten, this move can’t be remembered. | 
| English | Forest's Curse | 
|---|---|
| Spanish | Condena Silvana | 
| Italian | Schiacciatuffo | 
| Japanese | もりののろい (Mori no Noroi) | 
| German | Waldesfluch | 
| French | Maléfice Sylvain |