How to protect roses in the winter<br>Reduce water and fertilizer 6 weeks before the first frost. This is a popular technique among rose gardeners, known as " hardening off. " reduce the water by half and stop fertilizing altogether to help prepare your roses for the cold weather.
Red roses are more cold tolerant than white ones.
( z1 tolerate :ARG0 ( z2 rose :ARG1-of ( z3 red ) ) :ARG1 ( z4 cold ) :ARG2-of ( z5 have-degree :ARG1 z2 :ARG3 ( z6 more ) :ARG4 ( z7 rose :ARG1-of ( z8 white ) ) ) )