Leaf Spot
Our analysis of 7 verified rescue cases across 6 plant species shows exactly what causes leaf spot and the most effective fixes.
Quick Summary
Fungal pathogens thrive in stagnant, humid air and on wet leaves. Symptoms include circular or irregular spots with dark borders and sometimes center die-off (shot-hole effect).
Most Effective Solutions
- 1 Isolate the plant.
- 2 Prune: Remove all spotted leaves with sterile tools; disinfect between cuts.
- 3 Treatment: Apply a copper-based fungicide or neem oil solution to the remaining foliage.
Affected Plants
6 speciesFrequently Asked Questions
What causes leaf spot?
How do I fix it?
- Isolate the plant.
- Prune: Remove all spotted leaves with sterile tools; disinfect between cuts.
- Treatment: Apply a copper-based fungicide or neem oil solution to the remaining foliage.
Which plants are most affected?
Can it be prevented?
Which of the 7 Killers
is threatening your plants?
We analyzed 1,616 documented plant deaths to identify the 7 causes behind 78% of all losses. Answer 5 questions — we'll tell you exactly which ones apply to your setup.
Skip the quiz — get The 7 Killers course ($19) →Question 1 of 5
How do you decide when to water your plants?
Question 2 of 5
Where do most of your plants live?
Question 3 of 5
What's your home environment like?
Question 4 of 5
Have you lost a plant in the last 6 months?
Question 5 of 5
How often do you check your plants for pests?
Your diagnosis is ready
We've identified your top 2 risk killers. Enter your email to see the full breakdown and your personalized rescue protocol.
Your plants are most at risk from:
The 7 Killers mini-course covers every one of these in depth — mechanism, rescue protocol, prevention. 1,616 cases. 7 lessons. $19.
Get The 7 Killers — $19 →