Similar to a dead nettle but very yellow
No interactions present.
Might be a garden escape but the variagated form is more commonly grown and even more commonly escapes
The variegated form is subspecies argentatum, which isn't native, and was originally a garden escape. It persists in spreading colonies much more frequently that it is actually grown in (front) gardens. It is an evergreen plant typically of woodland edges.
The common unvariegated form is subspecies montanum. This is a genuine woodland native, which dies back over winter.
Both are tetraploids, but I still wonder whether they should be placed in seperate species.
The diploid subspecies, subspecies galeobdolon, has a restricted distribution in Britain.
Lat/Lng: 56.58, -3.4427
OS grid ref: NO114440