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How to Identify Female and Male Marijuana Plants Download ArticleExplore this Article methods 1 Identifying Male Plants 2 Identifying Female Plants Other Sections Questions & Answers Video Tips and Warnings Related Articles Expert Interview References Article Summary Co-authored by Aaron Justis
Last Updated: February 19, 2026 Fact Checked
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This article was co-authored by Aaron Justis. Aaron Justis is a Cannabis Expert and the President of Buds & Roses dispensary based in Los Angeles, CA. Buds & Roses is a premier Los Angeles cannabis retailer serving customers and the LA community since 2006. Since 2010, Aaron and the Buds & Roses team have been the proud recipients of 26 High Times Medical Cannabis Cup awards, including multiple first-place victories, solidifying their reputation as a top provider of premium cannabis products. As a recognized thought leader in the cannabis industry, Aaron has played a pivotal advocacy role in the Cannabis community. His thought leadership has attracted attention from mainstream media, including features and profiles in notable outlets such as CNN and Variety. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 3,427,361 times.
When it comes to harvesting home-grown marijuana, female plants are the name of the game. Not only do female plants produce the coveted buds needed for medicinal purposes, but they also have higher potency and THC content compared to their male counterparts. You’re in good hands—we’ve outlined everything you need to know about identifying female and male marijuana plants, so you can easily make the most out of your crop at home.
Steps
Method 1 Method 1 of 2:
Identifying Male Plants
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1 Look for thicker, sturdier stalks with fewer leaves on male plants. A male plant, compared to a female plant of the same strain, generally has a thicker stalk. That is because it gets taller than female plants and needs to be able to support the weight. They also have fewer leaves than female plants.[1]X Expert Source Aaron JustisCannabis ExpertExpert Interview
2 Check your plants regularly from July to September to sex them. If male plants are allowed to pollinate, they will severely lower the potential crop of your female plants. That's because, once fertilized, female plants spend energy producing seeds instead of THC, leading to a smaller harvest. If you are growing indoors you will likely be visiting your plants regularly, so the following checks should be easy to do.
You need to check every plant to determine if it is male or female, as one rogue male can wreck your harvest.
In general, male plants show their sex 7-10 days (indoor) or 3 weeks (outdoor) before female plants.
3 Check the joints on the stalk for male flowers. The little balls that grow on the joints of the stalk (where the other branches meet the main stalk) are the main indicators of male plants. These flowers release pollen and need to be removed for a better crop.[2]XResearch source
If you're trying to create new plants or reproduce, you need to leave these balls undisturbed.
Female plants will have these bulbs too, but will also have long, translucent hairs on them. If you only see 1-2 on a plant, wait and see if more develop before cutting them.
4 Know that hermaphroditic (both sexes) plants exist, and should be treated as males. Marijuana plants can grow both sex organs. If you see any of the tell-tale male buds, you should trim them like you would a normal male plant. They will still release pollen that can ruin your crop.[3]XResearch source
"Hermies" are generally undesirable plants, and they can ruin a small crop with their pollen if you're not careful.
5 Throw out or remove male plants unless you specifically want seeds. Once you've determined a plant is male, you need to get rid of it or it will ruin your crop. Do not try and remove the buds by hand, as missing even a few will significantly decrease your crop. While most growers simply throw the plants out, a few keep them around for breeding purposes. If you do, put them in a separate room from the females, and make sure you don't track pollen in from the male room to the female room on your clothes or hands.[4]X Expert Source Aaron JustisCannabis ExpertExpert Interview [5]XResearch source
Advertisement Method 2 Method 2 of 2:
Identifying Female Plants
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1 Let the plants grow for roughly six weeks before sexing them. Marijuana plants, male and female, will be identical in the first 6 weeks of life. It is only after they've begun developing their sex organs later on that you'll be able to differentiate them.
You can purchase "feminized" seeds as well, which usually create close to 100% female plants. However, there are occasional errors, and you should still keep a close eye on your plants to make sure there are no rogue males.[6]XResearch source
2 Note fuller bodies of leaves, when compared to males, on a grown female plant. If you're trying to sex mature plants, one of the easiest indicators is how bushy they get. Male plants have thicker, sturdier stalks and very few leaves. A female of the same strain will be shorter and bushier, with more leaves, especially near the top.
3 Check the joints for of the stalk for small, translucent hairs. Once the plant has matured enough, a female will begin flowering. At the joints where the branches meet the main stalk, you'll see small, translucent hairs, known as pistils, coming out of a small, tear-shaped bud tucked in the joint. Frequently, there will also be "growth tips," which are new branches and groups of leaves, growing as well.[7]XResearch source
Male plants will have the small buds (pollen sacs) but will not have the associated hair growing out of it.
Plants can grow both pollen sacs and pistils. If it does, it is hermaphroditic and should be treated like a male.
4 Separate your females from any males, as only females create buds. Only female plants will produce enough THC to be used as medicine, but they won't create much if they become fertilized. The pistil is meant to attract pollen. If it gets it, it will create a seed, and all the plants energy and nutrients will be spent making seeds, not making big, THC-full buds. Your female plants are the only ones that will produce a crop, but only if they stay away from the males.
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Question Can I bring an outdoor plant indoors? Grow Experiments Community Answer In general it's not a good idea, because you can bring bugs and other things into your house, but as long as it's not being kept around indoor plants, it should work. Just make sure to keep an eye on the plant and give it plenty of fresh air, as that is likely what it is used to. Keep in mind that the sun is the best grow light, though, so you should leave it outdoors if you can! Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 127 Helpful 199
Question Why would my female plant not bud? Community Answer It needs a light cycle with a minimum of 12 hours of uninterrupted, complete darkness every day to trigger and maintain flowering. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 145 Helpful 357
Question What do I do if my marijuana plants are not producing pollen sacks? Community Answer Be grateful, because you probably have female plants. Female plants are the only plants that produce buds. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 61 Helpful 164
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Expert Interview
Thanks for reading our article! If you’d like to learn more about marijuana, check out our in-depth interview with Aaron Justis.
Co-authored by: Aaron Justis Cannabis Expert This article was co-authored by Aaron Justis. Aaron Justis is a Cannabis Expert and the President of Buds & Roses dispensary based in Los Angeles, CA. Buds & Roses is a premier Los Angeles cannabis retailer serving customers and the LA community since 2006. Since 2010, Aaron and the Buds & Roses team have been the proud recipients of 26 High Times Medical Cannabis Cup awards, including multiple first-place victories, solidifying their reputation as a top provider of premium cannabis products. As a recognized thought leader in the cannabis industry, Aaron has played a pivotal advocacy role in the Cannabis community. His thought leadership has attracted attention from mainstream media, including features and profiles in notable outlets such as CNN and Variety. This article has been viewed 3,427,361 times. 108 votes - 95% Co-authors: 25Updated: February 19, 2026 Views: 3,427,361 Categories: Planting and Growing | Plant IdentificationArticle SummaryX
If you’re growing marijuana plants, it’s important to be able to tell male and female plants apart, since only the females produce the buds that contain high concentrations of THC. To identify male and female marijuana plants, make sure they’ve been growing for at least 6 weeks, since both types of plant look the same in their early stages. Then, look for male plants to have thicker stalks and fewer leaves than their female counterparts. You can also tell if a plant is male by checking for little flowers or bulbs at the joints of the stalk and branches. By contrast, you’ll see small, translucent hairs on the same areas of a female plant. Once you’ve identified that a plant is male, remove it from your growing area to prevent it from pollinating the female plants, which will result in your THC harvest being reduced. For tips on what to do with plants that have both male and female organs, read on!Did this summary help you?YesNo
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Reader Success Stories
Steven Groves
Jul 1, 2017
"This article has helped me out only after reading a few lines. Thanks very much. Had I not seen this article about the sexing of a plant, I'd be still wasting my time on what I was led to believe that the plant I had was female. I'm glad I read this. If I'd not seen this, God knows how long I would gone on wasting my time. Thanks for this article. It has helped me out. Regards."..." more Rated this article:
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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Co-authored by: Aaron Justis Cannabis Expert Co-authors: 25Updated: February 19, 2026 Views: 3,427,36195% of readers found this article helpful. 108 votes - 95% Click a star to add your vote
Steven Groves
Jul 1, 2017
"This article has helped me out only after reading a few lines. Thanks very much. Had I not seen this article about the sexing of a plant, I'd be still wasting my time on what I was led to believe that the plant I had was female. I'm glad I read this. If I'd not seen this, God knows how long I would gone on wasting my time. Thanks for this article. It has helped me out. Regards."..." more Rated this article:
Guy Antique
Jul 20, 2018
"I live in the hills of California and grow outdoors. This is my first crop from seed. I was given the seeds by a friend with this story. A Master Gardener not far from here, finally died and his field went to seed...and these seeds were harvested from there. Cool, right? I've got 15 plants coming along nicely."..." more Rated this article:
Anonymous
Aug 27, 2017
"Identifying the difference between male and female plants. I've been told many different ways of differentiating male and female plants. Since reading your article and looking at my plants, I am now confident in how to determine the plant's sex. Thank you."..." more
Sabrina Stephenson
Oct 28, 2022
"As I read for information about one plant, it seems like every time, the article will lead me to new information about another subject thats very useful to me. 1 quick look-up for info easily turns into an informative 1+ hour read. I never go wrong here!"..." more
Dee Cooper
Jun 7, 2016
"I just wanted to know what all the hoopla is about. This article is helpful and should be a boon for plant growers. I have weeds in my yard and I wanted to identify some. Thankfully, none of my weeds look like the plant shown here. Phew. :-)"..." more Share yours! More success stories Hide success stories
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Download Article Explore this Article methods 1 Identifying Male Plants 2 Identifying Female Plants Other Sections Questions & Answers Video Tips and Warnings Related Articles Expert Interview References Article Summary Co-authored by Aaron Justis 
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Co-authored by: Aaron Justis Cannabis Expert This article was co-authored by Aaron Justis. Aaron Justis is a Cannabis Expert and the President of Buds & Roses dispensary based in Los Angeles, CA. Buds & Roses is a premier Los Angeles cannabis retailer serving customers and the LA community since 2006. Since 2010, Aaron and the Buds & Roses team have been the proud recipients of 26 High Times Medical Cannabis Cup awards, including multiple first-place victories, solidifying their reputation as a top provider of premium cannabis products. As a recognized thought leader in the cannabis industry, Aaron has played a pivotal advocacy role in the Cannabis community. His thought leadership has attracted attention from mainstream media, including features and profiles in notable outlets such as CNN and Variety. This article has been viewed 3,427,361 times. 108 votes - 95% Co-authors: 25 Updated: February 19, 2026 Views: 3,427,361 Categories: Planting and Growing | Plant Identification Article SummaryX
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1 Look for thicker, sturdier stalks with fewer leaves on male plants. A male plant, compared to a female plant of the same strain, generally has a thicker stalk. That is because it gets taller than female plants and needs to be able to support the weight. They also have fewer leaves than female plants.[1] 
2 Check your plants regularly from July to September to sex them. If male plants are allowed to pollinate, they will severely lower the potential crop of your female plants. That's because, once fertilized, female plants spend energy producing seeds instead of THC, leading to a smaller harvest. If you are growing indoors you will likely be visiting your plants regularly, so the following checks should be easy to do. 
3 Check the joints on the stalk for male flowers. The little balls that grow on the joints of the stalk (where the other branches meet the main stalk) are the main indicators of male plants. These flowers release pollen and need to be removed for a better crop.[2] 
4 Know that hermaphroditic (both sexes) plants exist, and should be treated as males. Marijuana plants can grow both sex organs. If you see any of the tell-tale male buds, you should trim them like you would a normal male plant. They will still release pollen that can ruin your crop.[3] 
5 Throw out or remove male plants unless you specifically want seeds. Once you've determined a plant is male, you need to get rid of it or it will ruin your crop. Do not try and remove the buds by hand, as missing even a few will significantly decrease your crop. While most growers simply throw the plants out, a few keep them around for breeding purposes. If you do, put them in a separate room from the females, and make sure you don't track pollen in from the male room to the female room on your clothes or hands.[4] [5] Advertisement 
1 Let the plants grow for roughly six weeks before sexing them. Marijuana plants, male and female, will be identical in the first 6 weeks of life. It is only after they've begun developing their sex organs later on that you'll be able to differentiate them. 
2 Note fuller bodies of leaves, when compared to males, on a grown female plant. If you're trying to sex mature plants, one of the easiest indicators is how bushy they get. Male plants have thicker, sturdier stalks and very few leaves. A female of the same strain will be shorter and bushier, with more leaves, especially near the top. 
3 Check the joints for of the stalk for small, translucent hairs. Once the plant has matured enough, a female will begin flowering. At the joints where the branches meet the main stalk, you'll see small, translucent hairs, known as pistils, coming out of a small, tear-shaped bud tucked in the joint. Frequently, there will also be "growth tips," which are new branches and groups of leaves, growing as well.[7] 
4 Separate your females from any males, as only females create buds. Only female plants will produce enough THC to be used as medicine, but they won't create much if they become fertilized. The pistil is meant to attract pollen. If it gets it, it will create a seed, and all the plants energy and nutrients will be spent making seeds, not making big, THC-full buds. Your female plants are the only ones that will produce a crop, but only if they stay away from the males. Advertisement 
Grow Experiments Community Answer In general it's not a good idea, because you can bring bugs and other things into your house, but as long as it's not being kept around indoor plants, it should work. Just make sure to keep an eye on the plant and give it plenty of fresh air, as that is likely what it is used to. Keep in mind that the sun is the best grow light, though, so you should leave it outdoors if you can! Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 127 Helpful 199 
Community Answer It needs a light cycle with a minimum of 12 hours of uninterrupted, complete darkness every day to trigger and maintain flowering. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 145 Helpful 357 
Community Answer Be grateful, because you probably have female plants. Female plants are the only plants that produce buds. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 61 Helpful 164 
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