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ladyslppr

Nighttime lights interfering with blooming

ladyslppr
17 years ago

I have planted several types of Salvias in planters in front of my office in Orange County, CA. The Salvia "Waverly" are blooming poorly, and it recently occurred to me that the lights that are on at night must be the problem. Previously I have tried to grow Salvia leucantha (one of the parents of Waverly) in a yard with bright nighttime lighting and found that portions of the plants in the light didn't bloom while shaded parts of the plants bloomed normally. Salvias currently planted with the Waverly include Salvia elegans, Salvia karwinskii x puberula, and one that I think is Salvia subrotunda (a fall bloomer I am guessing). I am concerned that these species won't bloom with the lights on them at night.

Does anyone know if there are certain types of bulbs that would be preferable to others - i.e. bulbs that would not interfere with the diurnal cycle in salvias?

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