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Overwintering small pot/hanging basket fuchsia advice please
On 23/08/17 15:58, Bertie Doe wrote:
"Derek" wrote in message ... To guarantee a hardie surving in the UK, through a harsh winter, ie 2010, the root ball must be well insulated, four inches minimum of earth around it. So that one planted outside in the ground, should survive, one in a pot may not. Of course you can be lucky, but the poster wanted to know the 'best way' Although we're in SE Cornwall, we're 5 miles inland and 500' amsl and east facing. The 2010 winter killed our 5 year old wisteria, 4 consecutive nights below minus 5C. 4 outdoor hardy fuchsias survive to this day. There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. It is much more likely that something else killed it. One possibility is graft failure (which I grant may be exacerbated by frost), but even so if you leave the "dead" wisteria in the soil you will find that after a year shoots start appearing from the rootstock. Unfortunately they will be of no use for ornamental purposes! -- Jeff |
#2
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Overwintering small pot/hanging basket fuchsia advice please
In article ,
Jeff Layman wrote: There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. It is much more likely that something else killed it. One possibility is graft failure (which I grant may be exacerbated by frost), but even so if you leave the "dead" wisteria in the soil you will find that after a year shoots start appearing from the rootstock. Unfortunately they will be of no use for ornamental purposes! Yes, in the strict sense. But the way that frost kills many plants in the UK is by damaging the tissues and giving fungi an opening while it is above freezing but too dark and cold for the plant to start growing. It's really our wet, dark but not frozen winters that are the problem. I'll bet on something like that. Regards, Nick Maclaren. |
#3
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Overwintering small pot/hanging basket fuchsia advice please
On 24/08/2017 10:01, Nick Maclaren wrote:
In article , Jeff Layman wrote: There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. It is much more likely that something else killed it. One possibility is graft failure (which I grant may be exacerbated by frost), but even so if you leave the "dead" wisteria in the soil you will find that after a year shoots start appearing from the rootstock. Unfortunately they will be of no use for ornamental purposes! Yes, in the strict sense. But the way that frost kills many plants in the UK is by damaging the tissues and giving fungi an opening while it is above freezing but too dark and cold for the plant to start growing. It's really our wet, dark but not frozen winters that are the problem. I'll bet on something like that. Regards, Nick Maclaren. Wisteria is properly hardy and will go down to extremely low temperatures, well below anything we can get in the UK, the reason for growing them in protected places such as south and west walls is that while the actual plant is hardy the flower buds are not and emerge to early in the UK to be free of all risk of frost damage in the open. The RHS reported many (in the thousands) of Wisteria dying during those cold winters, put down to primarily "Graft Failure" caused mainly by the lack of hand eye skills of many of the grafters! it only takes a small gap which water can get in for frost to push the two parts apart (I was surprised as I would have thought deep planting would over come this) In my view Wisteria are much better off on their own roots and I only do them from cuttings -- Charlie Pridham Gardening in Cornwall www.roselandhouse.co.uk |
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Overwintering small pot/hanging basket fuchsia advice please
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#5
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Overwintering small pot/hanging basket fuchsia advice please
In article ,
Derek wrote: There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. Yes, in the strict sense. But the way that frost kills many plants in the UK is by damaging the tissues It's really our wet, dark but not frozen winters that are the problem. 'Wet cold Kills', we have all be told that plants don't like sitting in wet conditions. Yes. Wisteria are pretty fungus-resistant (using fungus to mean any unicellular endoparasite), but there aren't many other things that will kill a rootstock. And, if I understand it correctly, wisteria will sucker from its roots if its trunk etc. are killed - Charlie may know more. Regards, Nick Maclaren. |
#6
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Overwintering small pot/hanging basket fuchsia advice please
On 25/08/2017 10:17, Nick Maclaren wrote:
Yes. Wisteria are pretty fungus-resistant (using fungus to mean any unicellular endoparasite), but there aren't many other things that will kill a rootstock. And, if I understand it correctly, wisteria will sucker from its roots if its trunk etc. are killed - Charlie may know more. A unicellular endoparasite sounds more like a bacterial infection. I can't think of any unicellular fungus which is a plant pathogen - but it's a long time since I studied this stuff, and I could easily be wrong. Andy |
#7
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Overwintering small pot/hanging basket fuchsia advice please
On 25/08/2017 10:17, Nick Maclaren wrote:
In article , Derek wrote: There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. Yes, in the strict sense. But the way that frost kills many plants in the UK is by damaging the tissues It's really our wet, dark but not frozen winters that are the problem. 'Wet cold Kills', we have all be told that plants don't like sitting in wet conditions. Yes. Wisteria are pretty fungus-resistant (using fungus to mean any unicellular endoparasite), but there aren't many other things that will kill a rootstock. And, if I understand it correctly, wisteria will sucker from its roots if its trunk etc. are killed - Charlie may know more. Regards, Nick Maclaren. Traditionally Wisteria used to be "Nurse Grafted" that is a piece of seedling root is grafted onto a section of budded stem from the variety, in theory this should mean no unwanted suckers. However all the plants I have seen recently that are grafted have had normal stem grafts and these will sucker from the rootstock if cut back, poor practice in my opinion but the gardening public have been misled to believe Wisteria must be grafted to insure a good plant. If you know someone with a nice Wisteria then do hardwood cuttings in January, the take is not great but you will end up with a nice Wisteria on its own roots and it will flower from year one. -- Charlie Pridham Gardening in Cornwall www.roselandhouse.co.uk |
#8
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Overwintering small pot/hanging basket fuchsia advice please
On 27/08/17 08:31, Charlie Pridham wrote:
On 25/08/2017 10:17, Nick Maclaren wrote: In article , Derek wrote: There is no chance of cold in the UK (even in north Scotland) killing a Wisteria. Yes, in the strict sense. But the way that frost kills many plants in the UK is by damaging the tissues It's really our wet, dark but not frozen winters that are the problem. 'Wet cold Kills', we have all be told that plants don't like sitting in wet conditions. Yes. Wisteria are pretty fungus-resistant (using fungus to mean any unicellular endoparasite), but there aren't many other things that will kill a rootstock. And, if I understand it correctly, wisteria will sucker from its roots if its trunk etc. are killed - Charlie may know more. Regards, Nick Maclaren. Traditionally Wisteria used to be "Nurse Grafted" that is a piece of seedling root is grafted onto a section of budded stem from the variety, in theory this should mean no unwanted suckers. However all the plants I have seen recently that are grafted have had normal stem grafts and these will sucker from the rootstock if cut back, poor practice in my opinion but the gardening public have been misled to believe Wisteria must be grafted to insure a good plant. If you know someone with a nice Wisteria then do hardwood cuttings in January, the take is not great but you will end up with a nice Wisteria on its own roots and it will flower from year one. When we moved here 5 years ago there was a decent-sized "Black Dragon" over the front pergola. I keep it pruned and it's still growing and flowers well. The main trunk is now around 10 cm in diameter. Yesterday I found several suckers had appeared near the trunk. The top looks very healthy (and I can't see a graft - but that doesn't mean there isn't one!), but I am wondering why it has started to sucker. -- Jeff |
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