Henbane Species

Hyoscyamusniger

Family
Solanaceae (so-lan-AY-see-ee)
Genus
Hyoscyamus (hy-os-KY-uh-mus)
Species
niger (NY-ger)
Synonym
Sun Exposure
Full Sun
Height
24-36 in. (60-90 cm)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Medium Purple
Cream/Tan
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Biennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

Pueblo, Colorado

Leesburg, Virginia

Featured Videos

Gardener's Notes:

1
positive
1
neutral
1
negative
Sort By:
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G
Everson, WA (Zone 7b) | May 2009 | positive

This is some poisonous stuff...I just popped about 300 seeds of this species...there was an irritating vapor that came off of the seeds t...Read More

J
J
Belfield, ND (Zone 4a) | April 2007 | negative

This plant is listed on the North Dakota invasive/troublesome list and this information is being distributed in a guide developed by the ...Read More

M
M
Ewing, KY (Zone 6a) | November 2002 | neutral

This is a sticky strong smelling annual or biennial. That also goes by the common name of Stinking nightshade because of the strong smell...Read More

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