Black Henbane
Hyoscyamus niger
- Native to:
- Albania, Algeria, Bulgaria, Corse, East Aegean Is., France, Greece, Iran, Iraq, Italy, Lebanon-Syria, Morocco, North Caucasus, NW. Balkan Pen., Portugal, Romania, Sardegna, Sicilia, Spain, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe
H. Zell






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Solanaceae
- Genus:
- Hyoscyamus
- Species:
- Hyoscyamus niger
- USDA Symbol:
- HYNI
Growth Characteristics
- Life Cycle:
- Annual | Biennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- yellow, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
corn earworm (Helicoverpa zea), T-moth (Emmelina monodactyla), tobacco hornworm (Manduca sexta)
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to disturbed, nutrient-poor areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 10–21 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Germination is improved by using GA3. Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. * germinates best at 30 °C