Troubleshooting
Start from the symptom: ranked causes, a test for each, the fix.
2 of 50 plannedBeginner · 1Advanced · 1
Leaf symptoms
2Lower leaves turning yellow: ranking the causesYellowing that starts low and old is usually a mobile-nutrient shortage or senescence, not a pest. Five ranked causes, a same-day test for each, and the fix.Variegated or mottled leaves: virus, chimera or geneticsMottled leaves split three ways: harmless genetics, a harmless chimera, or a spreading viroid, and guessing wrong can cost a whole clone line.
Coming soon
4Growth problems · 10 plannedRoots and water · 8 plannedEnvironment problems · 8 plannedFlower and post-harvest problems · 8 planned