Just the names on this one is a mouthful!

I'm confused with the conficting info on the web.

Can it be done from seed?

Could it be overwintered in zone 5 as a housplant if cut back?

How do I start a cutting?

The 4 seasons? plant co. claims it is sterile.

Daves Garden claims it is a self sowing invasive in the south ( not a problem in my zone 5 apparently)

Perhaps someone can tell me the scoop on this one. And perhaps how long it would take to grow a tall specimen from a cutting or seed. We have a short summer here. THX!

Karen