|I live in SE Idaho (zone 4) & the average temps 20 degrees overnight & daytime highs in the 40's. We had our first light snowfall last weekend. When should I prune back my roses for winter? - Suzanne
|Answer from NGA
November 18, 2009
|Once your roses are dormant (which I suspect they are by now!) you can prune them back for the winter months. The problem with pruning too soon is that pruning encourages new growth, which will not be winter hardy. Once you've had a few frosts the roses will go dormant and you can safely prune them back. I suspect with 20 degree nights they are dormant and can be pruned back at anytime.
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