10 Plants That Smell Like Weed

Cannabis has one of the most recognizable scents in the plant kingdom, but it’s far from the only species that can fool your nose. Plenty of perfectly legal plants give off aromas so close to weed that they’ve triggered police raids, confused drug-sniffing dogs, and made neighbors pick up the phone.

The reason comes down to chemistry. The smell of cannabis is produced by aromatic compounds called terpenes – volatile molecules that plants release into the air as part of their defense systems or to attract pollinators. Cannabis is packed with them, but it doesn’t have a monopoly. Myrcene, limonene, caryophyllene, pinene, linalool, and humulene all show up across the plant world, and when another species produces a similar terpene cocktail, the result can be eerily familiar.

Here are 10 plants that smell enough like weed to make you look twice.

If you’ve ever cracked open a dank IPA and thought it smelled like a dispensary, your nose wasn’t lying. Hops (Humulus lupulus) are cannabis’s closest botanical relative – both belong to the Cannabaceae family, making them literal cousins on the evolutionary tree.

Hop varieties like Cascade, Simcoe, and Columbus are especially heavy in myrcene and humulene, the same terpenes responsible for the earthy, musky, and slightly skunky notes in many cannabis strains. Some craft brewers have even leaned into the overlap, creating “terpene-infused” beers that blur the line between the two plants even further.

The next time someone side-eyes you for smelling like weed after a brewery tour, you can honestly say it was just the hops.

Cleome (Cleome spinosa) is the plant most likely to get the cops called on your garden. Not only does it smell like cannabis, but it also looks strikingly similar – its palmate leaves are arranged in clusters of 5-7 leaflets that mirror the iconic marijuana leaf shape. The key difference is that cleome’s leaf edges are smooth rather than serrated.

The scent is distinctly weed-like with a minty twist, and it gets stronger as the plant matures. Cleome produces beautiful clusters of pink, purple, and white flowers that attract pollinators, but zero cannabinoids. Still, there are documented cases of neighbors calling in tips about “grow operations” that turned out to be someone’s ornamental cleome bed. If you live somewhere cannabis isn’t fully legal, you might want to give the neighbors a heads-up before planting these.

tiny pink, purple, blue, or white flowers in spring. It’s gorgeous and completely harmless – but its smell has literally led to police raids.

In one well-documented case in England, officers showed up at an elderly couple’s home in Warwickshire after a neighbor reported the smell of cannabis. A drug-sniffing dog even seemed to confirm the presence of marijuana. Turns out the culprit was the wife’s prized moss phlox growing in the garden. The police had to apologize and leave empty-handed.

Moss phlox only grows about six inches tall and spreads to cover about 20 inches of ground, making it a popular choice for rock gardens and pathway borders. It’s non-toxic, easy to grow, and the cannabis-like aroma gets particularly strong when it’s in full bloom during spring.

Lemon verbena (Aloysia citrodora) gets its weed-adjacent scent from a shared terpene profile that leans heavy on citral and limonene – the same compounds that give certain cannabis strains their citrusy, lemon-forward character. If you’ve ever smelled a strain like Lemon Haze or Super Lemon OG, lemon verbena will feel very familiar.

The plant is widely used in teas, cocktails, and cooking across South America and the Mediterranean. Its leaves are incredibly fragrant and release their aroma easily when brushed or crushed. Beyond the kitchen, lemon verbena has a long history in traditional medicine as a digestive aid and mild relaxant.

It won’t get you high, but a strong cup of lemon verbena tea on a quiet evening isn’t the worst consolation.

The name alone should tell you something. Skunk cabbage (Symplocarpus foetidus) is a wetland plant native to North America that releases a powerful, pungent odor when it blooms – a smell that falls somewhere between rotting meat and a freshly opened bag of skunky bud.

The plant produces its own heat to melt through snow in early spring, and that warmth helps push its volatile scent compounds into the air. The musky, sulfurous notes overlap enough with certain dank cannabis strains that hikers regularly mistake the smell for someone smoking in the woods.

Skunk cabbage isn’t something you’d plant in a garden on purpose (the smell is intense), but if you encounter it on a trail in a marshy area, don’t be surprised if your first instinct is to look for a joint.

Hyssop (Hyssopus officinalis) is a Mediterranean herb that’s been used in traditional medicine for centuries, and it carries a distinctly earthy, piney aroma with subtle herbal undertones. Those notes come primarily from pinocamphone and isopinocamphone, along with traces of caryophyllene and pinene – terpenes that also show up in many cannabis strains.

In enclosed spaces, dried hyssop can be surprisingly easy to confuse with weed. The plant has been used historically for respiratory issues, as a culinary herb, and even in the production of essential oils. Its small blue-violet flowers are a favorite of bees and butterflies, making it a solid addition to pollinator gardens – just don’t be alarmed when your backyard starts smelling like a grow room.

There’s a reason patchouli and cannabis culture have been intertwined since the 1960s. Patchouli oil, extracted from the leaves of Pogostemon cablin, contains high concentrations of beta-caryophyllene – the same terpene found in cannabis that’s also the only known terpene to directly interact with the body’s endocannabinoid system.

That shared chemistry gives patchouli its deep, earthy, musky scent that overlaps significantly with certain indica-dominant strains. The association is so strong that patchouli incense and oil have been used for decades as a way to mask the smell of cannabis smoke (with varying degrees of success).

Beyond its cultural connections to weed, patchouli is widely used in perfumery, aromatherapy, and traditional medicine. It’s also one of those scents where people tend to either love it or absolutely hate it – there’s rarely a middle ground.

Holy basil (Ocimum tenuiflorum), also called tulsi, is a sacred plant in Hindu culture that’s been used in Ayurvedic medicine for thousands of years. It produces a complex aroma that blends spicy, earthy, and peppery notes – a profile that can catch you off guard if you’re not expecting it.

The terpene lineup includes eugenol, caryophyllene, and methyl chavicol, giving it an herbal warmth that shares territory with certain spicy, peppery cannabis strains. The scent is strongest when the leaves are fresh and bruised, and in warm weather, a patch of holy basil can throw its aroma several feet.

Note: holy basil is sometimes confused with anise hyssop (Agastache foeniculum), which is a different plant entirely. Both have cannabis-adjacent scents, but they’re distinct species with different flavor profiles. True holy basil leans spicy and peppery, while anise hyssop is sweeter with licorice notes.

Houttuynia (Houttuynia cordata), sometimes called “fish mint” or “chameleon plant,” is a perennial ground cover native to East and Southeast Asia. When you crush or bruise its heart-shaped leaves, they release a strong, pungent, earthy smell that many people immediately compare to cannabis.

The plant is widely used in traditional medicine across Asia and is a common ingredient in Vietnamese, Japanese, and Chinese cooking. In some regions, it’s eaten raw as a salad green or steeped into teas valued for their antioxidant properties.

Houttuynia is extremely aggressive once established – it spreads rapidly through underground rhizomes and can be difficult to contain. If you plant it, treat it like mint and keep it confined to pots unless you want your entire yard to smell vaguely like a dispensary.

Sweet woodruff (Galium odoratum) is a woodland ground cover with delicate white star-shaped flowers and a scent that changes depending on its state. When fresh, it has a mild, hay-like sweetness. But once the leaves dry, they develop a much stronger, more complex aroma – a warm, herbal muskiness that can genuinely be mistaken for potent cannabis.

The compound responsible is coumarin, which intensifies as the plant dries (the same chemical gives freshly cut hay its sweet smell). In Germany, sweet woodruff is traditionally used to flavor Maibowle, a springtime punch made with white wine.

It’s one of the more subtle entries on this list – you probably won’t get the police called over your sweet woodruff patch. But if you’re drying a bunch of it in your kitchen and someone walks in, expect a raised eyebrow or two.

It all comes back to terpenes. Cannabis produces over 200 known aromatic compounds, but a handful of dominant terpenes are responsible for most of what we recognize as the “weed smell”:

• Myrcene – earthy, musky, herbal (also found in hops, mangoes, lemongrass, and thyme)
• Limonene – citrusy and bright (also in citrus peels and juniper)
• Caryophyllene – spicy and peppery (also in black pepper, cloves, and patchouli)
• Pinene – sharp and piney (also in pine needles and rosemary)
• Linalool – floral and lavender-like (also in lavender and birch bark)
• Humulene – earthy and woody (also in hops, sage, and ginseng)

When another plant produces one or more of these same terpenes in high enough concentrations, the overlap can be convincing. But the reason no other plant perfectly replicates the cannabis scent is that weed produces a uniquely complex combination of all these terpenes working together – along with volatile sulfur compounds that give certain strains their signature skunkiness.

So the next time you’re out for a walk and catch a familiar whiff, take a closer look before you start searching for the source. It might just be someone’s garden doing its thing.