| Type | grass |
| Category | Special |
| Power | 0 |
| Accuracy | 100 |
| PP | 20 |
| Introduced | Generation 4 |
Grass Knot inflicts greater damage on heavier opponents, as shown in the table.
For reference, the following Pokémon take 120 base damage from Grass Knot. From Generation 5 onwards, heavy Pokémon kick up dust as they land switching in.
When a Pokémon is holding Grassium Z and uses its Z-Power, Grass Knot turns into Bloom Doom and has base power 160.
| Diamond Pearl Platinum HeartGold SoulSilver | The user snares the foe with grass and trips it. The heavier the foe, the greater the damage. |
| Black White Black 2 White 2 | The user snares the target with grass and trips it. The heavier the target, the greater the damage. |
| X Y O.Ruby A.Sapphire | The user snares the target with grass and trips it. The heavier the target, the greater the move’s power. |
| Sun Moon Ultra Sun Ultra Moon | The user snares the target with grass and trips it. The heavier the target, the greater the move’s power. |
| Sword Shield B.Diamond S.Pearl | The user snares the target with grass and trips it. The heavier the target, the greater the move’s power. |
| English | Grass Knot |
|---|---|
| Spanish | Hierba Lazo |
| Italian | Laccioerboso |
| Japanese | くさむすび (Kusa Musubi) |
| German | Strauchler |
| French | Nœud Herbe |