Walter Pall's main blog about bonsai and his work with trees from day to day. Lots of good pictures of good trees and lots of valuable information about bonsai.
Hi Walter.You tell us that you put your tender trees in a greenhouse during winter, how cold does it get in the greenhouse during winter? Is it heated?Rune
Rune,it gets down to minus 5, sometimes maybe to mins 7 Celsius. When it is very cold I put a regular heater on. This is an electric household heater-ventilator with a thermostate. It costs 25 Euro in any hardware store. It is 1000 or 2000 Watt and can cosnume quite a lot of electricity in one night. I used to have it on permanentyl with the tehrmostate at minus 3. But I gave up because it costs too much. And the trees are OK with this. Besides the regular hardy stuff I have azaleas, Korean boxwoods, Chinese elms etc. and they are doing just fine since years.greetingsWalter
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