I'd be interested to hear other's views on frost, too Kylie.

I live in the Yarra Valley (Vic.) and recently a surprise severe frost
took its toll on some of the big vineyards (Oct or Nov I think?) and
much good new growth was badly damaged. I forgot the what the estimate
in monetary damage they (the vineyards as a group) claimed but I think
it was in the millions.


What I did notice particularly was that the obvious damage was to where
the vines were at their lowest at bottoms of hills.


On that morning the bigger vineyards had helicopters going over them but
they still lost a lot of crops. It made me wonder what they do when a
severe frost is forecast. Do they drag mesh or some other protection
over them? (Like the bird nets they drag over them?) Would that help
or would the expense of a different set of covers be just too expensive?