Five plants that look like Marijuana: a helpful visual guide for law enforcement and the curious

Back when I lived in Tennessee, I attempted to grow cassava plants indoors over the winter with the help of some grow lights. They were sitting on a nice window seat by one of the front windows of my house. I kept the curtains drawn to help keep in some of the heat.

One night after setting them up I went for a walk and looked at my house from the road.

I suddenly noticed the window: the grow light (now I’d get a better one, like this model) behind the cassavaย silhouettedย the leaves against the curtain and I was shocked.ย It totally looked like I was growing pot.

Marijuana-Jorge_Cervantes
For intentional marijuana growers, this book is supposed to be one of the best

Seriously โ€“ it was aย hilariouslyย incriminating tableau, if harmless.

Cassava donโ€™t look much like marijuana up close, but they do have a similar leaf shape. With a light shining through them and out into the dark front yard, it looked like Cheech and Chongโ€™s house.

Whoops!

There are plenty of plants – like cassava – that can sometimes be confused with marijuana by folks that aren’t that good at taxonomy.

I thought it might be helpful for me to do a post containing some of the various plants that grow in Florida (and other subtropical to tropical locations) that you might see in landscapes, food forests and butterfly gardens which have a cursory resemblance to Cannabis sativa.

Here’s what Marijuana looks like:

Photo from Wikimedia commons.

NOTE TO POLICE: THIS PLANT IS NOT AT MY HOUSE – IT’S FROM WIKIPEDIA!

Actually, the only time I’ve ever seen marijuana growing was when we rented a house down in South Florida.

Apparently someone had dropped seeds in the side yard because there was a sickly little plant there. The landlord pointed it out to us when we were inspecting the house for the first time, laughed, cracked a joke, then removed it.

So… let’s take a look at the look-alikes

Plants With Leaves That Look Like Pot

1. Coral Plant

coral plants look like marijuana
Latin name: Jatropha mutifida

This attractive flowering plant in the spurge family has leaves that look like marijuana; however, the milky latex, bright blooms and fleshy stems rapidly rule it out.

Before flowering it could perhaps be mistaken for pot; afterwards, there’s no way.

Also known as coral plant, Jatropha multifida is attractive to butterflies – and poisonous, so don’t smoke it!

2. Cranberry Hibiscus

a hibiscus can look like marijuana

Latin name: Hibiscus acetosella

This member of the hibiscus family is often planted as an ornamental in warmer climates. It’s a perennial shrub with pink blooms that have burgundy throats. The leaves are edible raw or cooked, with a tart, lemony flavor.

If you were colorblind you might get worried about this one; otherwise, the red leaves should convince you that your potential criminal is just a plant enthusiast, not a drug dealer.

If the suspect has a tattoo of Bob Marley with a hookah beneath a glowing mushroom, however, all bets are off.

3. Rose Mallow/Scarlet Hibiscus

scarlet hibiscus looks like pot
Latin Name: Hibiscus coccineusย 
I have a police officer friend who informed me that thisย particularย native Florida plant has gotten more than one officer a bit… excited… over someone’s garden.
Yes, the plant totally looks like weed.
The leaves on it more than resemble marijuana. When it’s not blooming, I can see how it could be confused with Cannabis, though my police officer friend told me that marijuana plants have a particular smell that stands out when the leaves are crushed. Hibiscus don’t really smell like anything.

4. Cassava

cassava plant looks like marijuana
Latin name: Manihot escuelenta
I don't really think cassava looks like marijuana, though people do joke about it when they visit my place. Cassava is a tropical root crop with tall stems that just look... well... tropical! The only realย resemblanceย it has to marijuana is the palmate leaves. The giveaway, other than the growth habit, is the fact that marijuana leaves have toothed edges and cassava does not.

5. Kenaf

Latin name: Hibiscus cannabinus
Now this plant looks like marijuana before it blooms.
I once got some kenaf seeds from the USDA and planted them in my garden. I was hoping they'd be a good source of fast-growing biomass for my food forest chop-and-drop; however, when they came up they really, really, really looked like pot. As they grew, they just got worse.
I was starting to worry that I'd get raided or that a Predator drone would come firebomb my garden so I pulled them up and threw them in the compost pile. The police have mistaken these plants before - and not had to pay for the damage they caused with their mistaken raidย - so I figure they're just too close-looking to be worth growing. I like my peace and quiet - they can go after that guy with the tattoo instead.
To tell kenaf apart from marijuana is easy when the plant blooms. Otherwise, you'll need to smell it or do a lab test for THC. It's too bad it looks like something illegal, since kenaf is a great biomass crop.
Can you think of a plant I missed? Let me know in the comments.

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