Groot came from Planet X , a capital of branch worlds where he was one of Floral colossus. During his adulthood he then gone to Kree space where he was captured and jailed. From there he met Rocket Raccoon and Starlord where they become friends.Source here
image sourceHe then become one the members of Guardians of Galaxy.He has regenerative healing factor where he has been killed in many occassions but he will just regrow himself.He has superhuman strength and durability where he is immune to most conventional weapons.Source here
| Power Statistic | Level |
|---|---|
| Intelligence | 3 |
| Strength | 7 |
| Speed | 3 |
| Durability | 4 |
| Energy Projection | 3 |
| Fighting Skills | 4 |
Source here
Note : Max Level is 7