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sm4657 Marshalltown, IA (Zone 5a) This is my first year with roses. I have two Knock out rose shrubs and one John David climbing rose.
After our first hard frost, should I mulch the rose bottoms with compost? Or should I use plain mulch?
Should I wait and cut back the Knock Outs in the spring or do it after our first hard frost?
And the climber, John Davis...same question...should I mulch the roots with compost, or black dirt, or plain mulch?
Thanks for any and all info...
altagardener Calgary, AB (Zone 3b)
Rosa 'John Davis' shouldn't need any winter protection at all. It was developed in a much colder climate than yours, and comes through winters here without protection. 'Knockout' roses are much tenderer than the Canadian-bred rose varieties, though.
flowAjen central, NJ (Zone 6b) Prune in spring
I use a leaf mulch
sm4657 Marshalltown, IA (Zone 5a)
thanks guys... here in zone 5, it is getting chilly at night (around 35-40) and the trees are dropping their leaves...so we will have plenty of mulch!
We also have a lot of pine needles...would that be good too?
flowAjen central, NJ (Zone 6b) Pine needles would be great for roses, also any other acid loving plant like rhodies or azaleas
sm4657 Marshalltown, IA (Zone 5a) Thanks! Will go out and rake up some pine needles! We have a bunch!
Carolyn22 Athens, PA (Zone 5b) I am not a rose expert, but I do make sure the bud union is covered with soil for the winter. In our zones, winters can be tough on roses.
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