North America Non-native Plant

Drug Fumitory

Botanical name: Fumaria officinalis wirtgenii

USDA symbol: FUOFW

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Fumaria officinalis L. var. wirtgenii (W.D.J. Koch) Hausskn. (FUOFW2)   

Drug Fumitory: An Uncommon Annual Herb in American Gardens If you’ve stumbled across the name drug fumitory in your gardening research, you might be wondering what this mysterious plant is all about. While it sounds like something from a medieval apothecary, drug fumitory (Fumaria officinalis wirtgenii) is actually a small ...

Drug Fumitory: An Uncommon Annual Herb in American Gardens

If you’ve stumbled across the name drug fumitory in your gardening research, you might be wondering what this mysterious plant is all about. While it sounds like something from a medieval apothecary, drug fumitory (Fumaria officinalis wirtgenii) is actually a small annual herb that has found its way into a couple of American states, though it’s far from being a garden staple.

What Exactly Is Drug Fumitory?

Drug fumitory belongs to the group of plants called forbs – essentially herbaceous plants that lack woody stems and die back each year. This particular variety is a subspecies of the more common Fumaria officinalis, and it’s what botanists call an annual, meaning it completes its entire life cycle in just one growing season.

The plant is also known by the synonym Fumaria officinalis L. var. wirtgenii, which gives you a hint about its botanical classification. Despite its intriguing common name, this isn’t a plant you’re likely to find at your local nursery.

Where Does Drug Fumitory Grow?

Here’s where things get interesting – drug fumitory has a pretty limited presence in the United States. Currently, it’s only documented in two states: Nebraska and Wyoming. This makes it quite uncommon compared to many other introduced species that have spread far and wide across the continent.

Originally from Europe, this plant has somehow established itself in these specific locations, reproducing on its own without human intervention. However, its restricted distribution suggests it hasn’t found the American landscape entirely to its liking.

Should You Grow Drug Fumitory?

This is where we need to have an honest conversation. Drug fumitory isn’t really grown as an ornamental plant – it’s generally considered more of a weed than a garden feature. Since it’s a non-native species, even though it doesn’t appear to be highly invasive given its limited spread, there are better choices for your garden.

Instead of seeking out this uncommon herb, consider these native alternatives that offer similar delicate, small-flowered appeal:

  • Wild columbine (Aquilegia canadensis) for graceful, nodding flowers
  • Wild bergamot (Monarda fistulosa) for pollinator-friendly blooms
  • Prairie smoke (Geum triflorum) for unique, feathery seed heads

The Mystery of Growing Conditions

One of the challenges with drug fumitory is that specific growing information is quite scarce. What we do know is that, like many fumitory species, it likely prefers disturbed soils and waste areas – not exactly the conditions most gardeners are trying to create in their landscapes.

Since detailed information about its preferred conditions, hardiness zones, and care requirements isn’t readily available, and given its weedy nature, attempting to cultivate this plant would be more of an botanical experiment than practical gardening.

The Bottom Line

Drug fumitory represents one of those interesting botanical footnotes – a plant with a curious name and limited presence that’s more likely to appear unbidden than to be intentionally planted. While there’s nothing necessarily wrong with this little annual, there’s also not much reason to seek it out for your garden.

If you’re interested in supporting local ecosystems and creating beautiful landscapes, focusing on native plants from your specific region will give you much better results. These plants have evolved alongside local wildlife and are adapted to local growing conditions, making them both easier to grow and more beneficial to your local environment.

Sometimes the most interesting plants are the ones we admire from afar – or in this case, the ones we learn about and then choose to appreciate without necessarily bringing home.

Drug Fumitory

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Papaverales

Family

Fumariaceae Marquis - Fumitory family

Genus

Fumaria L. - fumitory

Species

Fumaria officinalis L. - drug fumitory

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA