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Hyoscyamus niger

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Henbane is a member of the Hyoscyamus family. Its botanical name is Hyoscyamus niger.

Henbane is a biennial or annual plant found growing wild on waste ground in the UK and northern Europe.
The foliage is robust, and in the first year forms a basal rosette. The leaves are oblong lobed corsely toothed and hairy held on thick strong stems up to 1.5m high
The flowers cup shaped, buff to light yellow with purple veins

Blooms normally grow to 2.0 cm (0.78 inches imperial) in diameter and produce an unpleasant scent, whilst showing as a colour very similar to   Persian indigo and   Arylide yellow and   Buff. The mature flowers take a single form, with an approximate petal count of 5. Its fruits normally ripen as a colour very similar to   Android robot green and   Davy's grey. Leaves usually appear in   Sap green and   Grade 1 Paint Green

Henbane grows as a biennial and is a flowering herb / flower. Being a biennial plant, it tends to grow best over the course of two years.

Henbane is known for its erect habit and growing to a height of approximately 1.50 metres (4.88 feet). This plant tends to bloom in late summer, followed by first harvests in mid autumn.

Try planting Henbane if you'd like to attract bees to your garden.

Henbane is known to be toxic to humans and/or animals, so be careful where you position and how you handle this plant.

Henbane is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!

This plant info is provided by the myfolia gardener's wiki. All details about Henbane have been kindly provided by our members.

How to grow Henbane

  • Full Sun

  • Medium

Does not need much encouragement and is considered a noxious weed

Plant in a location that enjoys full sun and remember to water moderately. Henbane is generally regarded as a hardy plant, so this plant will survive close to or on freezing temperatures.

See our list of companion Plants for Henbane to see which plants you should plant in close proximity to encourage growth.

Growing Henbane from seed

Germination is slow, and can be hastened by soaking the seed or scratching the skin
Use compost with 50% vermiculite to increase drainage

For optimal germination, soil temperature should be a minimum of 12°C / 54°F.

Transplanting Henbane

Henbane is happy in poor well drained ground as it grows naturally in costal shingle, disturbed, bare and cultivated land

Henbane is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.

Seed Saving Henbane

Henbane seeds are round capsules almost fully enclosed by a calyx, opening when ripe by a small lid

How long does Henbane take to grow?

These estimates for how long Henbane takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Start logging and journaling your observations to participate!

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Henbane Folklore & Trivia

Henbane has been known from ancient times and part of the British Pharrmacopoeia since the beginning of the 19th centuary

Other names for Henbane

Black henbane

Hyoscyamus niger L.

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