Plant Diagnosis Checker: Find the Cause, Fix It First
Mat Caissy
Open the tool: Plant Diagnosis Checker. For the full guide, read Why Are Plant Leaves Turning Yellow? 9 Causes and How to Fix Them.
New to yellow leaves? Read the full guide: Why Are Plant Leaves Turning Yellow? 9 Causes and How to Fix Them. This checker narrows that guide to your plant, using the pattern you see, the soil, the light, and any pests.
Pick what you see, then get the most likely cause first, with one plain first fix. It is free, it needs no account, and it saves nothing about your plant. If the first fix does not help after two weeks, run the checker again, because more than one cause can be at work.
How to use this tool
Primary action: choose Update diagnosis.
Result views: Ranked causes · Recovery plan · 28-day calendar.
- Look at which leaves yellowed first, old or new, all over, or only at the edges.
- Feel the soil, and be honest about wet or dry, because water is the most common cause.
- Note the light, including a recent move to stronger sun or a darker spot.
- Check leaf undersides for bugs, webbing, or stickiness before you answer the pest question.
- Do the first fix, then check new growth after two weeks, not old leaves.
What your result means
The result is a ranked starting point, not a diagnosis from a lab. It puts pests and water first when those answers point that way, because those are the causes you can check and fix fastest. If the pattern is new leaves with green veins, the result points to iron chlorosis, which needs a soil and pH check before you add anything. For each cause in full, with the pattern to look for, see Why Are Plant Leaves Turning Yellow? 9 Causes and How to Fix Them.
If yellowing keeps spreading after two weeks of the first fix, run the checker again with fresh answers. A second cause, such as pests after overwatering, is common, and the first fix may not have been the only fix needed.
Frequently asked questions
Do I need an account?
No. This checker is free and needs no sign-up.
Is my data saved?
No. Nothing about your plant is saved on your device or sent anywhere.
What if more than one pattern fits?
Pick the pattern that started first, and answer soil and pests honestly. Water and pests change the ranking most, so those answers matter more than a close call on pattern.
Will the yellow leaves turn green again?
No, not once a leaf is fully yellow. Remove fully yellow leaves, fix the cause, and watch new growth. New leaves should come in green if the cause is fixed.
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