Hellebore (Veratrum)
Quick Facts
- Type
- Botanical alkaloid (historic)
- Source
- Root powder from Veratrum album (white hellebore) — used as insecticide since ancient Rome
- OMRI Listed
- No
- Bee Safe
- No — apply in evening
- Pet Safe
- Caution
- Residual
- 5-7 days
- Best For
- Historical context only. Used in ancient Roman gardens.
What Is Hellebore (Veratrum)?
Contains veratridine and cevadine — steroidal alkaloids that lock sodium channels open in nerve and muscle cells, causing continuous stimulation, convulsions, and cardiac arrest in both insects and mammals.
Source: Root powder from Veratrum album (white hellebore) — used as insecticide since ancient Rome
What Pests Does Hellebore (Veratrum) Kill?
Hellebore (Veratrum) is effective against the following pests:
How to Apply Hellebore (Veratrum)
Best for: Historical context only. Used in ancient Roman gardens.
Avoid for: ALL modern uses. Cardiac toxin with no safe handling margin.
Residual activity: 5-7 days
Safety Profile
| Category | Rating |
|---|---|
| Bee Safety | 🔴 Toxic to bees while wet |
| Pet Safety | 🔴 Use caution around pets |
| Overall Rating | Warning — Organic but toxic or dangerous to non-targets |
Why Isn't Hellebore (Veratrum) Working?
If Hellebore (Veratrum) isn't delivering results, check these common failure modes:
Extremely toxic to all mammals — causes cardiac arrest
Easily confused with edible plants in the wild
No commercial products — too dangerous
Lethal if ingested, dangerous if inhaled as dust