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#1
18-12-2004, 10:04 PM
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[IBC] Repotting
As I have mentioned, my hardy trees spend the winter in an unheated sunporch.
I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#3
19-12-2004, 01:46 AM
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Iris
I don't see any problem repotting them at any time now. I have started repotting everything here and will continue repotting with and without root pruning for the remainder of the winter. Temperature swings here are 20 to 65F for the most part. We do get some root growth during the winter, and I expect you will have enough root activity to prevent any dying off of cut root ends assuming a well drained mix. Brent EvergreenGardenworks.com wrote: As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************* ******************************* ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************* ******************************* -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#4
19-12-2004, 02:50 AM
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Brent - the only way I can root prune at this time of year in zone 7 is to
place the newly pruned material in my unheated garage after the operation. If I leave it out in 20F temp., I lose it every time. ----- Original Message ----- From: "Brent Walston" To: Sent: Saturday, December 18, 2004 8:43 PM Subject: [IBC] Repotting Iris I don't see any problem repotting them at any time now. I have started repotting everything here and will continue repotting with and without root pruning for the remainder of the winter. Temperature swings here are 20 to 65F for the most part. We do get some root growth during the winter, and I expect you will have enough root activity to prevent any dying off of cut root ends assuming a well drained mix. Brent EvergreenGardenworks.com wrote: As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************ ******************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************ ******************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#5
19-12-2004, 02:50 AM
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Brent - the only way I can root prune at this time of year in zone 7 is to
place the newly pruned material in my unheated garage after the operation. If I leave it out in 20F temp., I lose it every time. ----- Original Message ----- From: "Brent Walston" To: Sent: Saturday, December 18, 2004 8:43 PM Subject: [IBC] Repotting Iris I don't see any problem repotting them at any time now. I have started repotting everything here and will continue repotting with and without root pruning for the remainder of the winter. Temperature swings here are 20 to 65F for the most part. We do get some root growth during the winter, and I expect you will have enough root activity to prevent any dying off of cut root ends assuming a well drained mix. Brent EvergreenGardenworks.com wrote: As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************ ******************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************ ******************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#6
19-12-2004, 02:51 AM
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On 18 Dec 2004 at 16:56, wrote:
As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, From down here, I hesitate to tell you when you can pot up there, Iris. I will say, however, that _I_ don't pot down here before late February. Jim Lewis - - Tallahassee, FL - When we see land as a community to which we belong, we may begin to use it with love and respect - Aldo Leopold - A Sand County Almanac ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#7
19-12-2004, 02:51 AM
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On 18 Dec 2004 at 16:56, wrote:
As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, From down here, I hesitate to tell you when you can pot up there, Iris. I will say, however, that _I_ don't pot down here before late February. Jim Lewis - - Tallahassee, FL - When we see land as a community to which we belong, we may begin to use it with love and respect - Aldo Leopold - A Sand County Almanac ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#8
19-12-2004, 07:05 AM
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I do not think that jannuary in NY is the right season
normally you repot when buds come out is the best one or when the root tips starst getting swollen and white.. this is generally in febbruary march in norther emisphere zone 7 Maple in febbruary march for apples the good season is oct nov or after flowering in late april cedars are very delicate I should do them in march april or may Prunus after flowering Pines in april may all have different periods anyway if they wake up early when buds starts swelling & opening is the right moment wrote: As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ -- MSN messanger / or ICQ 25 666 169 4 Private Mail : «»«»«» Just for today... don't worry .....be happy «»«»«» |
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#9
19-12-2004, 07:05 AM
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I do not think that jannuary in NY is the right season
normally you repot when buds come out is the best one or when the root tips starst getting swollen and white.. this is generally in febbruary march in norther emisphere zone 7 Maple in febbruary march for apples the good season is oct nov or after flowering in late april cedars are very delicate I should do them in march april or may Prunus after flowering Pines in april may all have different periods anyway if they wake up early when buds starts swelling & opening is the right moment wrote: As I have mentioned, my hardy trees spend the winter in an unheated sunporch. I try to keep the temperature between 30 & 45 F. The trees are all accessible. Some of them wake up pretty early. I have the following trees which I plan to repot. Japanese maple Cedar of Lebanon Tsuga canadensis 'Minuta' Prunus 'Hally Jolivette' Chaenomeles japonica 'Chojubai' Crabapple 'Jacqueline Hillier' elm Miniature Mugo pine 'Broadmoor' juniper. How soon can I repot them? Can any of them be repotted in January? Thanks, Iris Happy holidays ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ -- MSN messanger / or ICQ 25 666 169 4 Private Mail : «»«»«» Just for today... don't worry .....be happy «»«»«» |
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#10
19-12-2004, 01:52 PM
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Brent - the only way I can root prune at this time of year in zone 7 is to
place the newly pruned material in my unheated garage after the operation. If I leave it out in 20F temp., I lose it every time. BRBR That doesn't surprise me. I try not to let my sunporch go below 25 F. I have this wonderful little thermostat which is set between 35 and 45. If the weather forecast is for temps below 10, I plug a little heater into the thermostat, & set it on low heat on the other side of the porch. The area where the trees are goes down to about freezing. Iris, Central NY, Zone 5a, Sunset Zone 40 "A tree never hits an automobile except in self defense." - Woody Allen |
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#11
19-12-2004, 04:06 PM
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Marty
What species do you have problems with? Brent EvergreenGardenworks.com Marty Haber wrote: Brent - the only way I can root prune at this time of year in zone 7 is to place the newly pruned material in my unheated garage after the operation. If I leave it out in 20F temp., I lose it every time. ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#12
19-12-2004, 04:06 PM
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Marty
What species do you have problems with? Brent EvergreenGardenworks.com Marty Haber wrote: Brent - the only way I can root prune at this time of year in zone 7 is to place the newly pruned material in my unheated garage after the operation. If I leave it out in 20F temp., I lose it every time. ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#13
20-12-2004, 03:18 PM
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Jim Lewis wrote:
From down here, I hesitate to tell you when you can pot up there, Iris. I will say, however, that _I_ don't pot down here before late February. Jim Lewis - - Tallahassee, FL - When we see land as a community to which we belong, we may begin to use it with love and respect - Aldo Leopold - A Sand County Almanac If it were me I'd wait until March. I'm in a slightly warmer area than Iris in southern NY State. Craig Cowing NY Zone 5b/6a Sunset 37 ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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#14
22-12-2004, 05:26 PM
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Marty
It is difficult to say what the problem is. First, though, let me say that Iris was talking about a controlled situation in cold zone, so she was equivalent to zone 8 or 9. I think that you are a zone that is colder than my zone 8. In any case, I repot all winter long with temperatures usually ranging from about 18 at night to 60F during the day. I provide minimal protection for my smaller plants or starters. These have the irrigation turned on for 1 1/2 hours on frosty nights and are housed in shadecloth covered hoophouses. Additionally, the really softer, tender plants, mostly newly rooted cuttings are covered with reemay, a spun polyester row cover material. The temperature under the reemay gets down to about 25F, outside the reemay but in the hoophouse probably 20F. One gallon size plants get irrigation for an hour in the coldest part of the early morning, but don't really need it usually. Other one gallon plants sit right outside with no problem down to 18F. I try to give the least cold hardy plants a bit of protection, but not much after transplanting, but we are still talking about mid 20's at night for months before spring. What I have discovered to be a real killer is late spring freezes. These have been devastating for me. Our weather is very erratic in spring. We often get a couple weeks of warm weather in March that gets everything moving, then a hard freeze. Four years ago we had a 20F night in mid April after everything was fully leafed out. I lost hundreds of Japanese maples that year. But if I can avoid the freezes in spring there doesn't appear to be a problem with winter transplanting and root pruning. Indeed, I couldn't run the nursery if I had to do everything in Feb and March. By the way, the hard freezes in spring are indiscriminate, killing repotted and established plants alike if they have started sap movement or leafed out. Freeze drying is another possibility that you could look into. Very cold dry air, especially if it is moving, can suck moisture right out of the frozen stems by sublimation. Your root pruned and repotted plants may be more susceptible to this than the established plants. That's another reason I like to encase plants in ice when it's really cold. One possibility is that you are getting enough sproadic warm weather in winter to stimulate root growth after root pruning. Intact root systems tend to stay dormant well into spring. Root pruned plants WANT to repair and grow new roots at every opportunity. So, if you are getting occasions where the soil temperature is getting up into the 50's or higher for several days to a week, root growth is going to start. If followed by a hard freeze, these roots are going to be damaged. This can be mitigated by making sure that plants stay cool on those odd warm winter days. Most of my plants are shaded in one way or another in winter and the irrigated ones are encased in ice through the early morning hours and sometimes til noon, helping to lower the soil temperatures. I plan on painting the nursery cans white on the south side of my unprotected pines and junipers, both to cool them in summer AND winter to keep them from moving too early in spring. I have even had a few pines defoliated by late winter freezes after they had started growing. Miraculously, they can survive this. It is the only case that I know of where a mature pine was totally defoliated and yet survived. Bottom line is that it's a complicated process and nearly impossible to give really good advice to someone in a place where you don't know all the factors. But knowing the principles is the best course of action. It may not matter if you can avoid freeze damage easily by just delaying your repotting, but I don't have that luxury, so I must look constantly for solutions to these kinds of problems. In any case, good luck with your spring repotting. Brent EvergreenGardenworks.com Marty Haber wrote: Just about anything I try to transplant when the temp. is under 40F. ----- Original Message ----- From: "Brent Walston" To: Sent: Sunday, December 19, 2004 10:48 AM Subject: [IBC] Repotting Marty What species do you have problems with? Brent ************************************************** ****************************** ++++Sponsored, in part, by Boon Manakitivipart++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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