it does for a lot of people - just not for me ... look up this paper
http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/department_of_environmental_science/overwintering_and_propagation_of_figs_in_connecticut_vossbrinck.pdf
they are deciduous but the bark is very thin and i've read prone to drying out. good luck with anti-desiccants i tried "wilt pruf" & applied double the amount of two of 10 trees - it didn't seem to help. maybe it needs more?? i'd like to figure out a way to spray them with paraffin.
i don't think it is the cold itself because people wrap & bury them in canada & the frost line is below the tree. i suspect it is desiccation or the bark. i suspect the sun gets sap in the bark flowing and the wind dries it out thus killing the branch. again i don't know. that is why i'm...
try getting a refrigerator box & fill it with leaves ... bury the bottom. this year i tried dumping about 4 ft of horse bedding (sawdust) on the plants and then leaves. who knows ??? the manure should keep things moist.
i don't think wrapping is the solution -- i've bundled, stuffed with crumpled news paper; wrapped with 3+ layers of paper , then 3 layers of tar paper ... big effort unless you have lots of friends & several ladders. i think it is more an issue of preventing the wood/bark from drying that it is...
i'm in zone 7. but these days zone 7 swings into zone 6 weather for a week or two which kills off the branches. i never wrap before but the last three winters were a bust. this year i put up chicken fencing and filled it with leaves. i also tried refrigerator boxes filled with leaves. last...
i got a white fig from Sicily. the second crop is half the size of a soda can. where are your's from? do you want to swap trees or cuttings?
when i was in Naples i bought some figs that were 200 grams - 6 ounces. i didn't ask for cuttings - damn it! i can't find the european large...