Achieving Cool Night Temperatures for Orchids

AC vent: Place plant near vent (use pebble tray for humidity).
Basement/cooler room: Naturally lower temps.
Evaporative cooling: Fan blowing across water pan between fan and plant.

Methods to Drop Night Temps to 60°F

Phalaenopsis and many orchids need 10-15°F day/night differential for spike initiation.

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