Banana Pepper Black Streaks in Cool Wet Weather: Fungus and Harvest Timing

Introduction

Cool, damp weather causes fungal streaks on banana peppers.

Cool Damp Weather Causes Fungal Rot

Black streaks = fungus. Pick affected peppers.

Spray Neem Oil or Baking Soda

Apply preventatively (need 8+ hours dry weather).

Harvest Yellow or Red

Banana peppers are used at yellow stage; fully ripe at red. Try both.

Conclusion

Remove streaked fruit, spray preventatively, harvest at yellow or red.