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Too late to severely cut back budlea davidii??
In article ,
Kay wrote: Hmm. I'm trying to get my head around that. Buddleia davidii flowers late (August or so by memory - certainly no signs of flowers yet). Therefore, rather than the rule of thumb 'prune just after flowering', it's better to prune in spring. I usually tidy mine up in autumn and prune right back early in the year. At least I think that's what I do! So if spring pruning is OK, why would winter 'pruning' by frost damage flowering at all? Or are you saying that if your flowering period is earlier, so that you can prune after flowering and still get in some growth that season, *and* that growth survives over winter, then you will get flowers even earlier the following year? Yes. My comment was specifically against cutting it RIGHT back to 1'. This often has the effect of making it put a lot of effort into reshooting, whereupon ALL of its younger growth might be killed, leaving only very old growth alive. That will at least set it back severely and perhaps kill it - yes, even buddleia. Pruning it moderately would lead to a more modest shooting and, if that were all killed, there would still be some middle-aged growth for it to reshoot from. The point is that cutting right back to very old growth is a major shock. Not a problem. But, if the plant then busts a gut to regrow and THEN is cut back again, it is a pretty rough treatment. That is why the books recommend waiting until spring for such extreme pruning. Regards, Nick Maclaren. |
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