Any chance the government parties make a deal not to run in every constituency so that NZ First and the Greens are guaranteed to enter the parliament by getting a safe FPTP seat?
I doubt it myself, but if Labour does make a deal with the Greens, I think it will be in Nelson. National holds it and the Greens broke 20% in the electorate race; still behind Labour though, which is part of why I doubt it would happen.
Pericles would probably have better insight than I would.
What about Coromandel? The Greens were in a pretty distant third there most recently, but it's also the only electorate they've ever won (way back in 1999!), and, unlike Nelson, Labour has never won it, so it's not like Labour is giving away a chance at winning a seat by turning it over to the Greens.