Grower Choice Plant Guard Cannabis Blogs

The White Menace: Protecting Your Cannabis from Powdery Mildew

John Julian Jr.

Published on: 14/11/2025

The dreaded white dust. Just seeing those powdery spots can send shivers down a cannabis grower's spine. You spend weeks, even months, nurturing your plants, carefully managing their environment, and eagerly anticipating a bountiful harvest. Then, a silent, insidious invader appears: Powdery Mildew. It’s a pervasive and fast-spreading fungal threat that can compromise your entire crop, turning potential profit into devastating loss.

Powdery Mildew

Mastering Mildew: Your Essential Guide to Spotting, Preventing, and Conquering Fungal Foes!

John Julian Jr.

Published on: 05/09/2025

While powdery mildew typically presents as visible white, powdery spots or patches on the upper surfaces of leaves, often described as looking like a light dusting of flour, downy mildew reveals itself with yellowish or pale green spots on the upper side of leaves, but its critical identifying feature is a fuzzy, grayish-purple or brownish growth found exclusively on the underside of those same spots.

Powdery Mildew