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#1
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Time to start uncovering rugosas in zone 4?
I planted a bunch of rugosas and hardy canadian explorers in July and
August of Last year and took special care to tent and mulch them for the winter in case their roots hadn't established themselves. Now we are in that zone of Spring-Winter where it can fluctuate between 15 and 50 degrees. Is it better to uncover them a bit so that they don't get some kind of fungus and risk having them get nipped by a late frost? I'm in zone 4a, Minneapolis. Thanks! mm |
#2
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Time to start uncovering rugosas in zone 4?
mmarteen wrote: in that zone of Spring-Winter where it can fluctuate between 15 and 50 degrees. Is it better to uncover them a bit so that they don't get some kind of fungus and risk having them get nipped by a late frost? I am also in 4a, in Rochester a little colder than Minneapolis for some reason that is a mystery to me, My general rule of thumb is to begin to uncover about the first of April and rake back the mulch about the 15th of April. Of course you have to be guided by the weather as well as the calendar. A string of near 70F days in late March would cause me to uncover early and an early April cold snap would delay the process. When I say uncover, I mean I loosen the wood chip mulch around the hardier roses such as the Explorers and Bucks that just get a little extra mulch in the fall and take off the tarps and begin to remove the leaves over the tender roses. I keep some bags of leaves around in case of a late cold spell. About the 15th, I rake back the wood chips around the hardy roses to expose the ground so the soil can warm and the dirt is exposed for the first fertilizer a little later. At this time I remove the collars from the tender roses but leave the dirt mounded for a little longer until they begin to bud. I would not worry too much about the Explorers and rugoses, they are pretty hardy here. I looked just yesterday and even Topaz Jewel was green a some distance above her mound of wood chips. You can err on the early side with the hardy roses and save the frettin and fussin for the tender types. I have come to think that for the hardy and semi hardy roses too much winter protection is worse than none. I have been experimenting with Nearly Wild because I have many of that semi-hardy variety. Last year the ones that were covered kept more live cane than the unprotected bushes but leafed out earlier and were set back by a late killing freeze. The unprotected bushes lost more to winter kill, but did not leaf out as soon and did not lose anything to the late freeze. By the time they flowered, the bushes were about identical in size and the un protected ones had a healthier look about them. For the Hybrid Teas, the more cane you can save, the better they respond. Regards, Charles -- Charles Perry Reply to: ** A balanced diet is a cookie in each hand ** |
#3
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Time to start uncovering rugosas in zone 4?
mmarteen wrote: in that zone of Spring-Winter where it can fluctuate between 15 and 50 degrees. Is it better to uncover them a bit so that they don't get some kind of fungus and risk having them get nipped by a late frost? I am also in 4a, in Rochester a little colder than Minneapolis for some reason that is a mystery to me, My general rule of thumb is to begin to uncover about the first of April and rake back the mulch about the 15th of April. Of course you have to be guided by the weather as well as the calendar. A string of near 70F days in late March would cause me to uncover early and an early April cold snap would delay the process. When I say uncover, I mean I loosen the wood chip mulch around the hardier roses such as the Explorers and Bucks that just get a little extra mulch in the fall and take off the tarps and begin to remove the leaves over the tender roses. I keep some bags of leaves around in case of a late cold spell. About the 15th, I rake back the wood chips around the hardy roses to expose the ground so the soil can warm and the dirt is exposed for the first fertilizer a little later. At this time I remove the collars from the tender roses but leave the dirt mounded for a little longer until they begin to bud. I would not worry too much about the Explorers and rugoses, they are pretty hardy here. I looked just yesterday and even Topaz Jewel was green a some distance above her mound of wood chips. You can err on the early side with the hardy roses and save the frettin and fussin for the tender types. I have come to think that for the hardy and semi hardy roses too much winter protection is worse than none. I have been experimenting with Nearly Wild because I have many of that semi-hardy variety. Last year the ones that were covered kept more live cane than the unprotected bushes but leafed out earlier and were set back by a late killing freeze. The unprotected bushes lost more to winter kill, but did not leaf out as soon and did not lose anything to the late freeze. By the time they flowered, the bushes were about identical in size and the un protected ones had a healthier look about them. For the Hybrid Teas, the more cane you can save, the better they respond. Regards, Charles -- Charles Perry Reply to: ** A balanced diet is a cookie in each hand ** |
#4
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Time to start uncovering rugosas in zone 4?
It is probably too early to uncover for your climate.
Wait until you see new growth and SLOWLY uncover a bit at a time until the last average frost date has passed. Tim "mmarteen" wrote in message om... I planted a bunch of rugosas and hardy canadian explorers in July and August of Last year and took special care to tent and mulch them for the winter in case their roots hadn't established themselves. Now we are in that zone of Spring-Winter where it can fluctuate between 15 and 50 degrees. Is it better to uncover them a bit so that they don't get some kind of fungus and risk having them get nipped by a late frost? I'm in zone 4a, Minneapolis. Thanks! mm |
#5
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Time to start uncovering rugosas in zone 4?
I concur with Charles.
Rugosas & explorers need no protection. Protection can also trigger premature growth which can actually cause more damage. -- Theo in KC Z5 "Charles Perry" wrote in message ... mmarteen wrote: in that zone of Spring-Winter where it can fluctuate between 15 and 50 degrees. Is it better to uncover them a bit so that they don't get some kind of fungus and risk having them get nipped by a late frost? I am also in 4a, in Rochester a little colder than Minneapolis for some reason that is a mystery to me, My general rule of thumb is to begin to uncover about the first of April and rake back the mulch about the 15th of April. Of course you have to be guided by the weather as well as the calendar. A string of near 70F days in late March would cause me to uncover early and an early April cold snap would delay the process. When I say uncover, I mean I loosen the wood chip mulch around the hardier roses such as the Explorers and Bucks that just get a little extra mulch in the fall and take off the tarps and begin to remove the leaves over the tender roses. I keep some bags of leaves around in case of a late cold spell. About the 15th, I rake back the wood chips around the hardy roses to expose the ground so the soil can warm and the dirt is exposed for the first fertilizer a little later. At this time I remove the collars from the tender roses but leave the dirt mounded for a little longer until they begin to bud. I would not worry too much about the Explorers and rugoses, they are pretty hardy here. I looked just yesterday and even Topaz Jewel was green a some distance above her mound of wood chips. You can err on the early side with the hardy roses and save the frettin and fussin for the tender types. I have come to think that for the hardy and semi hardy roses too much winter protection is worse than none. I have been experimenting with Nearly Wild because I have many of that semi-hardy variety. Last year the ones that were covered kept more live cane than the unprotected bushes but leafed out earlier and were set back by a late killing freeze. The unprotected bushes lost more to winter kill, but did not leaf out as soon and did not lose anything to the late freeze. By the time they flowered, the bushes were about identical in size and the un protected ones had a healthier look about them. For the Hybrid Teas, the more cane you can save, the better they respond. Regards, Charles -- Charles Perry Reply to: ** A balanced diet is a cookie in each hand ** |
#6
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Time to start uncovering rugosas in zone 4?
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