"Joe" wrote in message
news

"Doug Kanter" wrote in message
...
:-) To answer his question, the fluorescent tubes should be 2-3" from
the
leaves and moved daily as the plants grow. Doesn't matter if it's pot,
zinnias or lettuce.

You only answered one of his questions.
He also wanted to know how to identify a male plant from a female.



Just check their genes.
Bill