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Thread: Does S. Purpurea survive total freezing

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    The Obsessive Gardener pedersonplants's Avatar
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    Does S. Purpurea survive total freezing

    Hi:

    I am looking to buy a few S. purpurea. Do these plants survive total freezing in a situation where the bog might be frozen for a while, then unfreeze, then refreeze all winter long?

    If so, how do they survive or do they have some sort of antifreeze?

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    there are two main types of the plant, ssp venosa and ssp purpurea. venosa is the southern variety and so it may have more of a dislike. However, purpurea grows all the way to Canada as I understand it, so Lansing should be no problem
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    Kung Fu Fighting! NeciFiX's Avatar
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    Sarracenia purpurea ssp. venosa is NOT good for our climate.

    Sarracenia purpurea ssp. purpurea is good for us! It can survive down to -40F.
    - NeciFiX

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    Metal King
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    Yes, S.purpurea ssp. purpurea is dead hardy, you will have no problems in Michigan as the plants range extends quite a bit further north from there. The cold tolerance of Sarrs seem to be vastly under-rate, most likely on the side of caution, but from necessity I have overwintered everything but S.purpurea venosa and S.psittacina here in SW Ontario, Canada with no problems. Hybrids seem even tougher

    A few folks did an experiment with "hobo loggers", temperatue loggers basically, submerged in our outdoor set-ups this past winter. Despite being the most southern location, I seem to have had the lowest core temp, it went for roughly 2 months at -4.5 C and everything survived in excellent condition. I got caught "mulch-less" by the sudden temperatue down-turn in mid January, but the copious snowfall made good insulation. Another person who lives in a MUCH colder area got the mulch in on time, and despite temps below -30 at times his setup stayed at - 0.5 C the whole winter. Hope this helps a bit, we found the data pretty fascinating
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    Zero's Avatar
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    my purp purp is frozen solid almost all winter here in Maine.
    I wish all my temperate plants could handle that.
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    Thank God I am not in zone 5 I am in zone 7 so i think my bog garden will be good in the winter.

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    All my Sarrs are frozen solid during the winter. But I pile lots of oak leaves over them so that once they've frozen, they stay frozen until they thaw in the spring. I think repeated freezing and thawing is more damaging than sustained cold. But I'm talking about Zone 6 cold. I also put a lean-to over the leaf pile so snow doesn't pile up on it. As snow melts on a warm day, the water percolates down and refreezes, where it can create a suffocating layer of leafy ice. I lost some plants that way a few years ago. I don't think I actually lost any Sarrs, but they all suffered badly.
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    The Obsessive Gardener pedersonplants's Avatar
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    Wow. It doesn't sound like these would survive in a container bog garden at all. i have no garage to move it to and no way to protect it from continuous freeze/thaw cycles.

    I do believe I'll stay with the refrigerator technique.

    Thanks everyone for your input.

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