bacterial leaf spot on Pink Princess
Quick answer
If your Pink Princess has bacterial leaf spot, the most likely cause is: Bacterial infection (often Pseudomonas or Erwinia species), typically spread by water splashing on the foliage or prolonged leaf wetness in humid environments with poor airflow.
Start here:
- 1. Isolate the plant: Stop the spread to other high-value aroids immediately.
- 2. Apply copper fungicide: Use a copper-based spray to halt the bacterial progression; follow label instructions strictly.
Why Pink Princess gets bacterial leaf spot
Philodendron erubescens 'Pink Princess'
Bacterial infection (often Pseudomonas or Erwinia species), typically spread by water splashing on the foliage or prolonged leaf wetness in humid environments with poor airflow.
How to reverse bacterial leaf spot on Pink Princess
- 1
Isolate the plant: Stop the spread to other high-value aroids immediately.
- 2
Apply copper fungicide: Use a copper-based spray to halt the bacterial progression; follow label instructions strictly.
- 3
Prune infected leaves: Use sterilized shears (wipe with alcohol between cuts) to remove severely spotted leaves.
- 4
Improve airflow: Add a fan to increase air circulation and reduce the time leaves remain wet.
Keep bacterial leaf spot off this Pink Princess
Avoid overhead watering; use bottom-watering or a long-necked can to keep leaves dry. Maintain a moderate humidity (50-60%) with active air movement.