Black Henbane (Hyoscyamus Niger) is a annual or biennial herb in the Solanaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Hyoscyamus niger, commonly known as black henbane, is a toxic annual or biennial herbaceous plant known for its medicinal and poisonous properties.

Black Henbane

Black Henbane

Hyoscyamus Niger

Hyoscyamus niger, commonly known as black henbane, is a toxic annual or biennial herbaceous plant known for its medicinal and poisonous properties.

Quick Facts

Type
herb
Lifecycle
annual or biennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:medicinal, ornamental, pollinator attractor

Care Calendar

Monthly care tasks for Black Henbane

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Black Henbane
Black Henbane detail

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Taxonomy

Family:Solanaceae
Genus:Hyoscyamus