Cooling a Highland Nepenthes Greenhouse in SoCal: Swamp Cooler Solution

A Southern California grower’s shade greenhouse hits 96–100°F in summer. Asked how to cool without dropping humidity for highland Nepenthes.

Jeff Dallas: Swamp cooler (evaporative cooler). Pumps water over aspen/media, fan pulls air through. Works great in hot/dry climates—adds humidity while cooling. Search for size-appropriate units.