I have a lighted seedling table, per Suze's help, and I keep it by large windows that face the southwest, getting afternoon sun in the late winter (February-March) of about 4-5 hours as the daylight hours increase. I wondered last year how much effect this had on my seedlings and if the natural light was enough for the seedlings. I ran the lights at least 12 hours a day. And I also saw some examples here of people using their window sills and natural light and getting fine results from their seedling operation. I'm guess with the supplemental natural lighting I have that I wouldn't need to over-drive the lighting fixtures.
Don
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Zone 7B, N. MS
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