Powdery Mildew

Powdery mildew is one of the more common fungal challenges in a Growing Dome, especially when humidity climbs and air circulation drops. Prevention through ventilation and good practices is far easier than treatment after the fact. Explore practical guidance for Growing Dome owners managing powdery mildew: the conditions that favor it, ventilation and circulation strategies that prevent outbreaks, organic treatments when prevention fails, plant selection for susceptible species (cucurbits, especially), and stories from dome owners on managing recurring mildew issues. The focus is on prevention as the most effective long-term approach.

White powdery patches on green squash leaves
Broad green leaves covered with white patches of powdery mildew

Powdery Mildew and Fungal Infections

July 31, 2020

Plants grown in greenhouses are more susceptible to powdery mildew and a range of other fungal infections due to a variety of factors. I would like to explain and share several methods to prevent it and enjoy your greenhouse garden year-round.

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