What winter tyre should I fit to my spare wheel?

I have steel wheels with Continental Winter Contact 860 winter tyres. I have a full size spare. What winter tyre should I put on the spare - as they are directional I'd need 2 spares to have the same brand...

Can I mix all-weather and summer tyres on my car?

I need two new tyres and am considering all weather such as Michelin Cross Climate, can I just put them on the same axle and still have my summer tyres on the other axle? Or do I need to change all four...

Are all-seaons tyres a good idea?

I'm due to replace two tyres and the other two are probably due for replacement in 6 months. I'm wondering about taking the plunge and fitting all weather tyres (5 as I have a spare). Do you think it would...