Diseases Leaf spot
Brown haloed spots
Brown spots ringed with a yellow halo spread across the leaves.
Also called: brown spotsblack spotsleaf spotspotted leaves
Severity
Keep an eye on it
Deal with it this week, before it spreads.
Parts affected
- Leaves
- Stems
- Flowers
- Fruit
- Roots
- Soil
Family
Diseases
Fungi, bacteria and rot: the signs and the right moves.
Understand
What is happening inside the plant
Leaf spot covers several fungi that settle on a wet leaf and destroy a disc of tissue.
Full diagnosis
The rest is in the app
Sign-by-sign checks, an action plan, prevention: the full “Brown haloed spots” diagnosis is waiting for you in Plenova. And the app diagnoses your plant from a single photo.
- 4 signs to check on your plant
- A 4-step action plan
- 6 symptoms and causes explained
- 2 ways to stop it coming back
- Diagnosis from a photo of your plant
Free app, no ads.
Keep an eye on it White powder on leaves
A white, powdery film covering the leaves and stems.
Causes and fixes
Keep an eye on it Orange pustules
Orange, powdery pustules appearing on the undersides of leaves.
Causes and fixes
Keep an eye on it Beige spots with dark edges
Beige to black spots with clear dark borders hollow out the leaves.
Causes and fixes