Do colonial nations not count for westernization?

[LACKADAISICAL]

I'm playing as Ming and one of my colonial nations shares a sea border with portugal (random new world, two adjacent islands on an archipelago). I do not have the option to westernize. Is this because it is my colony, not my actual border, or is it because they are adjacent islands rather than land borders? Thanks.

 

[Sovieticozasz]

They have to be straits or land borders sea ones dont count.

 

[LACKADAISICAL]

Darn, thanks. Makes it way more difficult, since they're only colonizing islands and not the larger landmasses I inhabit for whatever reason.

 

[LACKADAISICAL]

Well they finally settled a province next to my colonial subject via land, and I still can't westernize... so I guess colonial subjects do not count after all.

 

[Mauer]

No, YOU have to border a western nation.