PNW ecosystem question
@Lore if you mean Lamium purpureum, then it is native to Europe — some plants do manage to provide useful ecological niches in nonnative contexts, particularly ones that have been around for a while like dead nettles but I’d generally recommend choosing a similar native plant if at all possible
PNW ecosystem question
@Lore hopefully someone else will have a fuller / more useful reply! But since it looked like no one had answered yet I figured I’d share what I did know