Je ne sais pas ce qu'il "faut". Je peux juste essayer de retrouver l'information.
Bon, j'ai trouvé.
Voici des citations:
Skeeter
Actually, if your trees are going completley dormant they do not need much sun at all. Some people in cold climates actually store container citrus in a cold dark basement for the entire winter.
Millet
Some castles in Europe store their citrus trees in an almost dark basement throughout the winter, with no difficulty.
Millet
Citrange a prominent member of this forum, who has one of the two best citrus web sites on the Internet (
http://www.homecitrusgrowers.co.uk/ ) has visited various castles in Europe, and has reported that some castles with citrus collections store their citrus tree in dark basements with no difficulty. I have posted such a post by Citrange below for your information. Also members of this forum store citrus trees in mostly dark or low light garages that do not freeze, also with no difficulty.
Citrange
A few years ago, I was visiting France in late February and stayed in an slightly run-down chateau. I was surprised to discover a very gloomy basement - almost a dungeon - containing four enormous pots with mature citrus trees in them.
The owners told me the trees stayed there every year for three months with no attention apart from just a few waterings, there was no light except from one small high-up window, the basement stayed just above freezing on the coldest days, the normal inside temperature was around 40-50F. The trees were brought out in March, showed little leaf drop and immediately started flowering.
Now, many people would say the lack of light should cause leaf drop, but it didn't.
Millets theory fits this perfectly. No root activity, no leaf activity and the plants are virtually in suspended animation.
Et voici l'URL:
http://citrus.forumup.org/viewtopic.php ... rum=citrus
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contrairement à une petite odeur de citron du premier. Je pense donc que c'est faustrime 