Wormseed Wallflower (Erysimum Cheiranthoides) is a annual herb in the Brassicaceae family with easy care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Erysimum cheiranthoides is an annual herbaceous plant known as wormseed wallflower or treacle mustard, native to Europe, Asia, and North Africa.

Wormseed Wallflower

Wormseed Wallflower

Erysimum Cheiranthoides

Erysimum cheiranthoides is an annual herbaceous plant known as wormseed wallflower or treacle mustard, native to Europe, Asia, and North Africa.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun, Partial Shade
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, clay, gravelly
Indoor:No
Outdoor:Yes
Garden Use:self-seeding annual, pollinator support

Care Calendar

Monthly care tasks for Wormseed Wallflower

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

Wormseed Wallflower
Wormseed Wallflower detail

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Taxonomy

Family:Brassicaceae
Genus:Erysimum