@theruran they do now !

@amelillo They have much less chance to survive than the plants naturally found in these parts, and they'll die in the winter. But since there's a short span between seed and pods, they're pretty ideal.

I've been planting them near logging camps where british loggers brought holly and all sorts of other things to plant around their cabins, I'll keep an eye out, but if they do too-well, I'll pull them out.