Troubleshooting
Wavy-margin Primulina problems — and how to fix them
Wavy-margin Primulina (Primulina repanda) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Fungal leaf spot
Brown, water-soaked lesions form in the ridges of the wavy leaves when overhead watering or misting leaves moisture pooled; always water at the base and improve air circulation to prevent recurrence.
Mealybugs in rosette crevices
The complex leaf surface texture provides shelter for mealybug colonies; inspect the undersides and petiole bases monthly, treating infestations promptly with isopropyl alcohol on a cotton swab followed by systemic neem drench.
Prevent wavy-margin primulina problems before they start
Most wavy-margin primulina issues are care-mismatch, not bad luck. Dial in the basics:
Wavy-margin Primulina problems — FAQ
Why is my wavy-margin primulina fungal leaf spot?
Brown, water-soaked lesions form in the ridges of the wavy leaves when overhead watering or misting leaves moisture pooled; always water at the base and improve air circulation to prevent recurrence.
Why is my wavy-margin primulina mealybugs in rosette crevices?
The complex leaf surface texture provides shelter for mealybug colonies; inspect the undersides and petiole bases monthly, treating infestations promptly with isopropyl alcohol on a cotton swab followed by systemic neem drench.