A French grower proposed replacing one fluorescent tube with a blacklight (UV-A) to boost anthocyanin (red pigment) in sundews without leaf-blade stress from high-intensity white light.
This intersects plant physiology and biochemistry—beyond horticultural scope. The International Carnivorous Plant Society (ICPS) forum hosts members with botany/biochemistry backgrounds who can evaluate the UV/blue-light hypothesis.
Visit: carnivorousplants.org → Forum.
Fascinating experiment—share results if you try it!
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