Any strain of weed can be grown to have purple hairs, it's all to do with the temperature.

Your nose can't smell a haze...I doubt that haze has a smell that any other good weed doesn't have.

The reason he didn't try to bullshit you is because unless you're buying from the grower, or a medicinal club, you can't guarantee a strain. 95% of the time what you might buy as 'Haze' or some other strain name is probably just good weed.