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My cold greenhouse: My first cold
greenhouse in Nice where the winter test should be realized. Max
temperature in summer 40°C, Min temp in winter -3°C.
Situation Nice City hills (100 m
elevation) 4 km from the sea. Mean annual precipitation: 800 mm.
(some- Echinocereus. jpg) : Location
of the test.
(Turbinicarpus-alonsoi-graft.jpg) :
almost my cacti are grafted on Opuntia bergeriana or
Myrtillocactus geometrizans.
Grafting on O. bergeriana
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France ~ Nice 
