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The historical heat wave in Europe - how are the roses?
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Posted by Cactus_joe 7b (My Page) on Sun, Aug 10, 03 at 19:16
| The current heat wave in Europe has become one of historical proportions. I commisurate with all of you over there, but I will be joining you guys in a few days' time as I start my visit in London.
But, apart from having to survive through temperatures in the high 30's, this might be a good test to see which of the roses are really heat tolerant. Any observations? Or did all the roses bite the dust? |
Follow-Up Postings:
RE: The historical heat wave in Europe - how are the roses?
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| It's been both good and bad. The old shrub roses blew over very quickly but the moderns have benefitted with several bloom cycles so far. And the colours fade in the sun in a way I am not used to. At least the flowers don't ball! But in Sweden we haven't had the really high temps, over 30, more than a few weeks and still have enough water. I am more bothered by the lack of perennials in flower at present. There are only phloxes and day lilies and early rudbeckias in my garden, very dull. |
RE: The historical heat wave in Europe - how are the roses?
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| Hi Cactus, More than 80 for three weeks now (35°C) as day temps, and a drought I never lived in Belgium. -The HPs are suffering, need to be watered each third day, but rebloom like crazies. Few new growth... -As Marianne said, roses with a high China or Tea content are happier. I have a "Général Schablikine", a Tea Rose from Nabonnand (French Riviera, round 1880-1900) wich is thriving like never before, it's now more than 4 feet high and blooming continuously. -The Hybrid Chinas, like Cardinal de Richelieu, Duchesse de Montebello or Gros chou de Hollande are happy too, growing twice as fast as normally. -The BS is not severe, due to the drought. But the rust we owe to the fresh and rainy spring is still present.
PM dissepeared at once when the night temps exceeded 20° C, but I guess it will be back when the nights will be cooler again.
Best wishes,
Pete. |
RE: The historical heat wave in Europe - how are the roses?
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| Thanks for your reports and comments. It's sure useful to learn something from such unusual temperature. Are there some roses that thrive in this heat, if given water? And calling London - what's it like over there. I hope not to get a sweltering surprise when I get there. Cheers! |
RE: The historical heat wave in Europe - how are the roses?
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| Of course Cactus, So long as you water abundantly, no problem. Some will thrive, the modern, the Chinas, the Teas, the Hybrid Chinas
etc,the other will survive.
Up until the water restrictions come.....!
Best wishes, Pete. |
RE: The historical heat wave in Europe - how are the roses?
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All the roses (David Austin's) I planted at the beginning of the year came through the heatwave with flying colours. We recorded 60°C max!
We used leaky hose watering every other day. Black spot has shown once the weather cooled and some of the new growth is a bit anaemic looking from all the watering.
The real casualties were the perennial interplanting but lots of enticing gaps for next year! |
RE: The historical heat wave in Europe - how are the roses?
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- Posted by BBJ5 WA Australia (My Page) on
Wed, Dec 3, 03 at 5:33
We have extremely hot summers here in Western Australia and as long as the roses have plenty of water they thrive in the heat. In fact they do much better than in the early Spring or late Autumn when the weather is cooler.
BJ |
RE: The historical heat wave in Europe - how are the roses?
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| The only problem I had with my roses was greenfly. But spraying soapy water over them helped. I also liked tapping them off onto the palm of my hand and then tipping them into a spiders web. Get nature to do my dirty work! |
RE: The historical heat wave in Europe - how are the roses?
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| Fascinating: the replies here are a great help (I'm a brand new member of the forum). I'm going to plant some roses against a south-facing white wall in central Portugal which receives the full blast of sun from morning (good!) through the midday heat (tricky?) till the sun goes over the hill, around 8pm in summer. I will choose the roses carefully and provide plenty of water in the summer. I have other roses (varieties unknown, they were there when I arrived) which get plenty of sun, have been deluged with sand by the builders and are just coming into wonderful bloom. I'm doing what I can with extra water and mulch to combat the sand, but they seem immensely tough plants. |
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