Halogen Lighting For Greenhouse - Knowledgebase Question

Fort Atkinson, WI
Question by ranschuetz
September 22, 2000
Can I use a shop-type halogen light (600)watt bulbs for grow lights instead of flourescent lights & bulbs for starting my seeds? If so are the distances from the plants the same as flourescent because I imagine they give off more heat.


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Answer from NGA
September 22, 2000

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You can use halogen in place of fluorescent lamps for growing seedlings. They do give off more heat and should be placed from 1'-4' away from the plants. You may have to experiment a bit with your lamp to find the correct distance. Start a 4' above the plants. If the seedlings begin to get leggy it means they're reaching for the light. Lower the lamp and note the differences in growth. Here's a website with additional information on halogen bulbs and plants:
http://www.unitedhalogenbulb.c...

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