The simple result of an enclosed growing space combined with focused sunlight is an ideal growing space. Humidity, however, can often be an enemy in such situations. Condensation is a common by-product in greenhouses as plants release moisture back into the air— especially when cold temperatures batter the greenhouse exterior. Humidity in a greenhouse is necessary, but controlling it is crucial to preventing plant stress and negative side-effects like fungus, mold, or mildew.
