Help! 4-5ft Garden/Wild/Netlle Plant???

 Help! 4-5ft Garden/Wild/Netlle Plant???

Observation - Help! 4-5ft Garden/Wild/Netlle Plant??? - UK and Ireland. Description: 4-5ft High Dead Nettle Like Plant, But have no idea really of species/plant name.

4-5ft High Dead Nettle Like Plant,
But have no idea really of species/plant name.