North American Fruit Explorers mailing list at ibiblio

[Hélène Dessureault <interverbis@videotron.ca>]

I am looking forward to more details on this trend concerning snow cover. I 
have read an article once on dwarf apple trees grown treillised at an angle 
so that they were almost completely covered by snow in the winter, for 
protection.
Here, we have about three feet of snow right now, a temperature of -20 F 
to-day, and the ground was not really frozen under the snow when I checked 
about a month ago. (The snow came early in large quantity before the ground 
had time to freeze.)
It has been my experience that fruit trees do usually well under a big 
carpet of snow.

Hélène, zone 3-4, north of Ottawa


----- Original Message ----- 
From: "Ernest Plutko" <ernestplutko@wiktel.com>
To: <nafex@lists.ibiblio.org>
Sent: Saturday, February 09, 2008 9:51 PM
Subject: [NAFEX] Temperature Under Snow


> Jim Fruth writes that he successfully raises zone 5 blackberries in
> zone 3 by bending down canes in Fall so canes will be covered by
> snow.  Tender grapes vines are also protected this way.  Today when
> the air temperature was -8 F the temperature next to the ground under
> 12 inches of snow was + 18 F.  A little later when the air
> temperature was -17 F the temperature next to the ground under 12
> inches of snow was +17 F.  We are getting some colder temps the next
> few days down to -29 F and I'll measure the ground temp again.  It
> will be interesting to see what differences deeper snow, or covering
> thermometer with soil or straw or tarp will have on ground temps.
>
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