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Sat, Feb 4, 12 at 17:59
| Is there anything you can do to help roses that struggle to rebloom, I.e. pruning, fertilizers?? A few of the roses that I am considering this year are rumored to be lazy with their reblooming.
Thanks
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Follow-Up Postings:
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| That depends mainly on where you are, what types and which specific ones you're talking about. If it's the potentially reblooming Cl. Cecile Brunner, there is little for you to do. If it's R. Banksiae which CAN 'rebloom' in a long, mild spring, such as what they get along the coast here in Southern California, but which we seldom get inland, and you're in the inland heat, nothing. USUALLY, if you let the plant get as large as it wants to be, keep it properly fed and watered, healthy, prevent competition from surrounding plants, basically give it proper culture for your climate and the type of rose, if it's going to rebloom, it should. If it's something like the rampant growing HPs which require hard pruning to reflower, then you have to prune it the way which stimulates it to bloom again. If all else fails and you've done the best of everything, try hitting it with Super Bloom type fertilizer, one which contains little to no nitrogen, but fairly high phosphorous (which stimulates bloom) and potassium. If that doesn't work, swap it out for something which WANTS to bloom repeatedly. Kim |
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| I live in the ohio river valley, i.e. a bit warmer than the rest of 5b zone I live in. The main roses I am wanting to ensure a good rebloom are "Gertrude Jekyll" and "Reine de Violettes"(I tried to talk myself out of it, but failed miserably :-) ) and another rose i don't rememeber the name of. I will certainly try the suggested fertilizer, is there any specific pruning or deadheading that will help? grace e |
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| Deadheading for those which set hips (Reine des Violettes doesn't, in my experience) is a must for rebloom on resistant types. I think with RdV it's heat and length of season. For Galloping Gertie, try growing her as a climber, training the long shoots out as horizontally as possible to encourage laterals as you do any other climber. That should, hopefully, increase the quantity of flowering shoots she should produce. Good luck! Kim |
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| Different roses have a different innate capacity for repeat blooming. Some never do, some do only under certain circumstances, while others normally repeat, and some of them repeat a lot. In my own mild-climate garden, Gertrude Jekyll has one good flush with light repeat, not very fast and never like the first flush. I've heard of it doing a bit better than that, but rarely. Most people find it does not repeat well for them, and maybe not at all. Keeping roses in good health with adequate water, and even more important, deadheading faithfully, can be useful. Also, some roses grow into repeating. I've had several roses (Pierre de Ronsard for one, Louise Odier for another) that did not repeat as young plants. However after four or five years as they matured, they began to cycle into bloom several times over the course of the summer. But climate also has a lot to do with it, and there is nothing you can do about climate (except moving!) Rosefolly |
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| It's mostly genetics. Roses that are partial repeaters will make a lot of vegetative growth after the first flush, so fertilizing GJ heavily will just give you more 8' hyperthorny canes. My experience confirms Kim's suggestion that GJ repeats better as a climber. However, others have managed to get some repeat from a pruned shrub. |
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- Posted by kittymoonbeam (My Page) on Sun, Feb 5, 12 at 14:54
| Try snapping off the old flowers at the base with your hand and not cutting the stem. The plants seem to grow again faster if they don't have to heal that cut. And don't wait for the petals to drop. Snap the old flowers off as soon as they look past their prime. This will get you a few days ahead as well. Keep the mulch on and the water even. Don't let the little feeder roots at the surface dry out. Don't overfeed a dry plant and don't plant in too shady a spot. If the plant is in a pot, don't let the sides of the pot get heated by the sun. Oh and don't forget to tell them how much you like them and if you get a heat wave, put a market umbrella over them to shade them. Yes I confess to all these things. I love my roses far too much. My friends think I am nuts. |
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