I have no experience of planting it as a windbreak (although in a few months – I will probably have a different answer, as the property I’m moving to is sheltered by manuka). I have seen it all over NZ in some severely exposed locations, and it can handle the wind fine. It’s not a particularly fast growing plant by international standards, and it can get a bit ‘leggy’ (i.e. long scraggly branches) if it’s not actually that windy (so would eventually need underplanting).
I’m interested why you want to plant it though
