Pests & diseases
Browse by what you are seeing. For planning context alongside species and what you can grow.
Symptom
AllYellowing leavesHoles / chewed leavesSpots or blotchesWilting / collapsePowdery or white coatingDistorted or stunted growthSlime trails / ragged holes lowLacy / skeletonized leavesSeedlings cut or toppledLawn brown patches
Showing entries that mention: Yellowing leaves
- AphidsPest
Small soft-bodied insects that cluster on stems and leaf undersides; honeydew can lead to sticky leaves and sooty mold.
- Spider mitesPest
Tiny relatives of spiders; feeding causes stippling (fine pale dots) and, in bad outbreaks, fine webbing.
- Powdery mildewDisease
Fungal growth on leaf surfaces; often white and dusty, sometimes later yellowing.
- Early blight (Alternaria) on tomatoDisease
Dark spots with concentric rings often start on older leaves and move up the plant.
- Fusarium wilt (tomato) — pattern noteDisease
True vascular wilts show one-sided yellowing and wilting that does not recover overnight.