Why Is Phalaenopsis Fragrance Stronger in Morning? Scent Changes Over Time

Question

ForwardPlant Team · Accepted Answer

Phalaenopsis orchids often release stronger fragrances in the morning due to an evolutionary strategy linked to their pollinators. Many nocturnal or crepuscular (active at dawn/dusk) insect pollinators are most active during cooler, less intense light periods. The orchid maximizes its scent output when these pollinators are most likely to be foraging, optimizing its reproductive success. As the day progresses, heat can also degrade volatile compounds, diminishing the fragrance.

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