Here is a real basic one

triple_b(BC 5b)January 20, 2006 don't go too technical on me please! I am going to start the seeds that cannot be wintersown. Dahlia, coleus, lavender to name a few. I am also experimenting between daylily seeds that have been wintersown and those that are languishing in my fridge for their cold stratification period. So how many hours of 'daylight' should I start them with once they are sprouting? I know the days outside are not 16 hours long yet when they start growing outside in their natural climes. (or are they?) One reason why I am asking is because due to lack of opportune space, the light will be set up in our bedroom. So I guess I don't want this beacon glowing any longer than need be.

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DanaNY(z6 Astoria, NY)

Most people set their lights set to 16 hours on and 8 hours off unless the plants are daylight sensitive and need shorter hours. Keep in mind that full sun outdoors does not compare to fluorescent lighting indoors, so what is lacking in intensity you make up for in duration.

    Bookmark   January 20, 2006 at 4:07PM
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shrubs_n_bulbs(z8/9 UK)

You don't have to have them on for 16 hours but having the light on longer can help the seedlings grow faster.

    Bookmark   January 21, 2006 at 3:51PM
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