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Apr 9, 2017 3:41 PM CST

I have some flowers that I have been growing inside just under a plant & aquarium light and I was wondering would they bloom under that light or do I need a certain type? I am growing marigolds, zinnia, bachelor button etc. So far they look great they are even doing better than the ones I have outside! But I'm just worried they won't bloom.
Apr 9, 2017 5:42 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
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It would be a lot easier if you had decided to grow something that liked shade. The plants you are attempting to grow indoors like full sun. A good grow light provides 6500K - unless your lights are rated that high, you don't stand much of a chance of even making them happy, let alone bloom.

Think of it this way. You need to provide enough light that your hand casts a strong shadow when at the level of your plants. That's full sun.
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Apr 9, 2017 7:22 PM CST
Name: Mac
Still here (Zone 6a)
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@ANB97, most any lamp listed as "daylight" is in the 5000K to 6500K or higher range. That's probably about as close to true sunlight as you're going to get. I use 6500K fluorescent lamps for starting plants indoors. I currently have winter squash blooming in my basement under those lights.
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