Henbane Species
Hyoscyamusniger

Category
Biennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
24-36 in. (60-90 cm)

Spacing
36-48 in. (90-120 cm)

Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Medium Purple
Cream/Tan

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details
May be a noxious weed or invasive

Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information
Non-patented

Propagation Methods
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Seed does not store well; sow as soon as possible