everybody are winterrise with ther bonsay, the forum is quiet

Not necessarily. Some of us grow tropical and subtropical bonsai all winter
long, on windowsills and under fluorescent lights. I'm not sure where you are,
but I gather they are very popular in Western Europe.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"When you come to a fork in the road, take it." Yogi Berra