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Mon, May 12, 14 at 12:44
| ...cut back the stalks after blooming? As in cutting it down to that basal clump of foliage? This plant is becoming one of the top PITA's in my garden due to the reseeding. I tell myself that I will go out there and deadhead the spent blossoms from the rest of the [still blooming] plant, but never do. Will you get more stalks/blooms by cutting it all the way down? I'm guessing not, but don't know for certain... |
Follow-Up Postings:
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- Posted by SunnyBorders 5A (My Page) on Mon, May 12, 14 at 14:40
| Don't know but cutting chunks off established blooming Knautia macedonica plants, through the summer, never seemed to affect the show. I did also deadhead them. That started with the idea of them continuously blooming (it worked). But I got to realize that without strenuous deadheading, at least in their favoured locations, they'd be seeding all over the place. I just don't use perennials like that any more. |
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| yes you will but it sort of depends on timing. If you keep yours dead-headed, no problem - chop away.....but once the seedheads start to form then it will consider it has done it's job (making more potential babies) and will not send out more flowering stalks. I have loads of this and regularly shear it back because it is a martyr to powdery mildew - hedge trimmers are your friend. |
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- Posted by christinmk z5b eastern WA (My Page) on Tue, May 13, 14 at 12:50
| Many thanks! CMK |
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