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Knock-Out Rose question
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22-02-2006, 07:17 PM posted to rec.gardens.roses
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Knock-Out Rose question
Last fall I pruned my knock-out roses to about 3 inches above the
graft. I noticed brown core in the center of one of the thickest canes.
I cut it back further to see if it cleared and it did. Is this normal?
What is it?
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