Putting the plants to ground for winter


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Hiya!

I've always been sorta innovative with things and especially with my hobbies. This winter I'm going to try to overwinter my plants on the ground - at least a part of it. The reason is that winter in Finland is very long and verycold. We just had our first frosty night, about -2,5c and things are about to get frozen soon. Our winter or should I say "its freezing at some point during the day' period takes place from late October to late March here in south of Finland. We go down to -30c every winter so there's no way I could leave my plants outside - they'll die for sure!.

For the past 3 winters I've take my temperate cp to our basement but it tends to stay a bit too warm there. 6C is the lowest temperature it's ever gone there. Also my collection have grown a bit so I really struggled last winter and lost about 1/3 of my Sarrs.

SO my question and the point of all of this is that I've now dug a pit in the ground outside on quite sheltered place. Its so deep that the growth tips of the plants will stay under they ground level. Any ideas what would be the best way to cover them? I've imagined putting a piece of tarp on the base (pine needle layer) and then plants  (another pine needle layer) and more tarp on top. Another probability is to replace the tarp on the ground level with umm gauze it is called? .

--------------------------------- snow--------------------------------

___________________tarp____________________

 - - - - - - -- - - -- - - - pine needles - - - - - - - - - - - - - -

- - - - pine needles - - - Plants - - - - pine needles - -

 - - - - - - -- - - -- - - - pine needles - - - - - - - - - - - - - -

___________________tarp____________________

 =============original soil ===============

 

I'm not familiar with this method so I'm wondering how humid it needs to be there inside the pit? Plastic holds humidity but it prevents air movement I think. For the species I'vethought about putting there mainly purpureas and oreophila but also trying with spare flytraps.

 

Thanks for thinking about this case of mine :)

 

 

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maybe you'll find this helpful information..http://www.carnivorousplants.org/howto/GrowingEnvirons/BogOntarioCanada.php

Im thinking of what I could do with my plants for winter. Here in holland it doesnt get as cold as with you. 

I ususally bring them in a cold area in the house. I dont have experience with keeping them outdoors. 
 

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It's pretty warm in the SE USA even in winter. If you're growing sarracenia I would have thought they'd be safer in your basement. For example, an average January day in Apalachicola in Florida is 16C with a low of 7C.

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Heh. I've got too many temperate plants to put on out basement and I have a highland tank tank that heats the basement quite a lot. I cant add any more light sources there or it will get too warm there.

I've got a collection of my plants in the pit now and we'll see if they survive! 

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Yep I did add pine needles around the plants and the plants are seperated from the soil with bubble plastic.

I guess its interesting to see how they do since they aren't submerged in peat like bogs but in pine needles. However I added a thin layer of peat under the pots.

 

How about watering? I havent watered them for like a week since temperatures have been quite low but not freezing as I think they won't dry out in those chilly conditions. 

Or should I water them before I put the last layer of pine needles? Do they have to be wet when experiencing " a natural dormancy" in the ground?

 

Edited by snowwy
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