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

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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

Source: Ontario Rock Garden & Hardy Plant Society