I've mentioned before that having plants that aren't frost tollerant is allot of hard work but if you're prepared to go the extra mile to protect them then power to those keen gardeners. I seem to be one of them at present, trying to keep a cactus safe from frost!!
I have lost lots of plants to frost I suspect but more so to water logged soil so I have realized after many years of spending big money at times that some plants just won't cut it here where I live in the south west of vic.
I don't grow much in the way of vegies, except for corn that is very successful and butter beans that are a complete disaster and have been for two years in a row now, they come up to two leaf stage, perhaps a little further and then suddenly shrivel up and die, not to be deterred I'll try again this spring.
As for frost sensitive plants, I'm now nursing a san pedro cactus, totally out of place here but I just love my cacti anyway, it's being kept safe with an old zip up sleeping bag that has that shiny sort of waterproof type fabric and in the mornings after a decent frost, the material is stiff and frozen but the cactus tips are totally protected. Not sure what I'll do once it gets over 2mts tall, I'll need to climb a ladder to cover it ha-ha
