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Re: Seeds Under Lights Versus Greenhouse

Dear Heather:
	What's your latitute?  Mine is 47N and in the foggy NW we don't have
enough light in winter to start seedlings in the greenhouse.  They need
more light and more heat to start.  Then later in the spring when more
sunlight returns we could start seeds either beneath lights or in the
greenhouse.  
Best, Vicki


ronavar wrote:
> 
> I am new at starting seeds, and have used lights over the past couple of
> winters.  Here in Ontario, January days are short.  I always thought
> that leaving the lights on for 16 hours would be preferable to a
> greenhouse, making the plants believe we were having longer days than we
> really would be during the winter.
> 
> But recently I had a conversation with a man who grows plants for the
> main street of our town, and he mentioned that a greenhouse is
> preferable to lights, and that many plants grow better in a greenhouse
> than under lights.  His comment was "impatiens will do ok under lights,
> but that's about it".
> 
> Does anyone care to comment on this?  If it is true that some plants
> respond better to greenhouse conditions, and others to lights, does
> anyone have lists of which plants prefer which, and which plants don't
> care?
> 
> Would really appreciate some direction on this subject.
> 
> Thanks in advance,
> Heather in Markham, Ontario
> Cda Zone 6 / USDA Zone 5
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