Plant Care Henbane


About Henbane

This herb is high in toxicity and may be fatal if eaten. It's an annual or biennial herb with coarse, hairy stems, leaves alternate, simple, toothed, flowers axillary, tubular, 5-parted, greenish-yellow or yellowish with purple veins, fruit a capsule.


Hyoscyamus niger

Also known as

Black henbane and Stinking nightshade

How to care for Henbane


How often to water your Henbane

Water needs for Henbane
0.5 cups
every 9

Henbane needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Austin, Texas.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Henbane

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Plant care guide for Henbane in Austin, Texas

Austin, Texas

58% Medium

Finding light for Henbane in your home

Light needs and placement for plant Henbane: 3ft from a window
3ft or less from
a window

Henbane may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth..️

Austin, Texas currently has medium levels of sunlight intensity, you can help this plant grow by treating it to ample light ☀️.


How to fertilize Henbane

Nutrient, fertilizer, and repotting needs for Henbane: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Henbane after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Henbane



Greg recommends:


0.5 cups every 9 days


< 3ft from a window


Repot after 2x growth

Based on your location in Austin, Texas, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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