Jim: I'll be glad to see more learned responses to this query, but I have
read of studies which show that trees and other plants which have light all
the time, such as growing near a security light or a street light, tend to
be stressed and more vulnerable to pathogens.
So the answer to your question is probably yes.
Alan Walker
http://bonsai-bci.com http://LCBSBonsai.org


-----Original Message-----
From: Jim Sc
I have some Japanese maples I have to bring in at night (for security
reasons). I have several strong spotlight growlights I put them under for
several hours at night. I was wondering if there's a problem with leaving
the grow lights on them all night.

Is there some biological rebalancing or other phenomena that requires
darkness to happen? I know in the arctic there are species of trees that
get light non-stop for several months, but would that theoretically apply
to maples as well? Or do they need rest for some purpose?
Thanks,
Jim

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