Darlingtonia californica Sudden Decline: Systemic Fungicide/Insecticide Treatment

A 6-year-old Darlingtonia browning rapidly with new growth also affected likely has a root pathogen (fungus or insect). Treat with Bayer 3-in-1 (imidacloprid + fungicide) as a foliar spray in early evening.

Treatment

1. Spray generously—crown and soil surface.
2. Repeat per label (usually 14 days).
3. Monitor 1 week: new healthy growth = success.

Why This Works

Systemic moves into tissues, hitting both root-feeding insects and vascular fungi. Fall application still allows recovery in mild CA climate.

Full recovery may take a full season.