Diagnose by symptom

Start here when something looks off and you’re not sure why. These guides match common leaf, stem and growth signs to possible causes, so you know what to check next.

Cannabis cola with bleached white tips under a grow light

Why Is My Cannabis Turning White?

White leaves or buds can mean light bleaching, sap sucking pests or powdery mildew. Learn how to tell them apart and what to change in your grow.

Row of cannabis leaves showing healthy, yellow, spotted and curled conditions

What Cannabis Leaves Can Tell You

Read your cannabis leaves like a grow report: color, spots, curl and droop point to light, water, pest and nutrient issues you can fix early.

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