Marijuana has to be a lot easier and cheaper to grow than grapes. Likely it uses far less water too. However, I don’t think the hillsides are going to look quite as pretty as they do with the grapevines.
Here in southern Oregon, we see six foot fences and lots of hard eyed farmers; come harvest time next year, you’d be well advised to stay out of rural areas and/or be well armed. Gon’na get nasty