Grapes unlikely
1972
In July 1972, Marlborough County Council Livestock Instructor, S.G.C. Newdick, wrote “Vineyards: in regard to these, as there is a glut on the market of grapes there does not appear to be any likelihood of vineyards starting up in Marlborough in the foreseeable future.”
Source
Marlborough museum wine display
Visited 6/04/23
https://www.roughguides.com/new-zealand/marlborough-nelson-kaikoura/