Q.I have a sucker coming up from a knockout rose tree. Is that normal?
I have a knockout rose tree that is 2 years old. Just noticed a 12 inch sucker coming up next to the trunk. Is it ok to remove it?
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 27, 2020
Rose trees are grafted creations by man. So anything coming up from its base by the trunk is indeed a sucker of the grafted rootstock. Thus it should be removed so as not to take nutrition away from the upper Knock Out rose.
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