Question
Hi!  I live in Bedford PA  zone 6.  We had enough warm weather for the ground to thaw, so I prunned my 3 year old roses back to about 2 foot, (they have leaf buds beginning to swell)  and transplanted them to my back yard ( they weren't getting enough sun out front)  Weather is calling for 20's next week for nighttime lows.  Should I cover with plastic?  black or clear?  or cover with something else.  I planted them a little deeper, and mounded the soil.  what else can I do?

Answer
You have done everything right. Mounded the soil is the best thing to do to protect your roses. Roses won't mind a short time of very cold weather. What they don't like, and will get damaged by, is three days of solid very cold weather. Don't cover them as this will create a mini greenhouse and will make it warmer than the outside cold. This could encourage more new growth which will get damaged.