how to survive the cuttings during the winter ?

put cuttings into damp sand ?

Put in the fridge with not to damp paper towel in ziplock bag in the produce bin should be good till spring DO NOT freeze them if you have a side by side fridge the cold air comes in from the freezer in that draw so be carefully its not to cold move them up in side by side fridge

Sunriver
I am not sure if only "put cuttings into damp sand " will do. If the damp sand is warm, it may tend to root. The temperature has to be kept low enough to avoid rooting during the winter storage if storage id the main purpose..

Dig a deep trench large enough, and deep enough to contain your cuttings.  It should be at least 45cm deep.  Place a layer of very coarse sand along the bottom, then your cuttings, then more coarse sand to cover the cuttings.  Fill in the trench with a quick-draining soil, and then mulch heavily.  Uncover your cuttings in Spring...and start the rooting process.  I would try storing some cuttings of each variety in a cold refrigerator also...as insurance.


Good luck.


Frank

All good advice, but a lot depends on your winter temperature lows...how cold and for how long.  
Some of us in climates where it does not freeze have rooted cuttings out doors in winter and they did just fine.  Others store them in cold areas or in the refridgerator, like Tony suggested.  Frank's idea of burying them in a trench with coarse sand and light topsoil is a tried and true method which works great...unless your climate is such that your soil freezes hard several feet down.

What's your climate like Steven?    Your best info may come from local farmers and nursery people.

thank you  Anthony  ,I will try your way for my cuttings :)