Black Runtz Seeds | Growers Choice Seeds
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Black Runtz Seeds

Learn about the benefits of Black Runtz marijuana seeds to see if they’re the right cannabis strain for you. Expect feelings of happiness and relaxation.

  • 50% Indica 50% Sativa
  • THC levels up to 25%
  • Thrives outdoors with up to 5ft of vertical space
  • Offers euphoric and relaxing effects
  • Excellent choice for those who like to sink into the couch
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The History and Origin of Black Runtz Cannabis Plants

Black Runtz cannabis plants (sometimes misspelled as “Black Runts”) have gained popularity in recent years, primarily for their potent effects and distinctive flavor profile. The cannabis strains most associated with Black Runtz are its parents: Zkittlez and Gelato, both of which are for sale at Growers Choice.

Zkittlez is renowned for its fruity flavors and euphoric effects, while Gelato offers a sweet, dessert-like taste and a relaxing high. By combining these two potent parents, breeders aimed to create a hybrid strain with a unique flavor profile and balanced effects.

What Do Black Runtz Cannabis Plants Look Like?

As for the “Black” variation of Runtz, it’s likely that breeders selectively bred certain phenotypes of Runtz with darker colors or unique characteristics to create this variation. The term “Black Runtz” might refer to the darker coloration of the flowers or possibly a particular phenotype with distinct traits.

One of the defining features of Black Runtz plants is their dark coloration. This can manifest in various ways, including deep purple or black leaves, especially towards the later stages of flowering. The buds may also have dark green or purple hues, sometimes accompanied by vibrant orange or red hairs.

Black Runtz plants typically produce dense and compact buds, reminiscent of its Gelato parentage. These buds are often coated in trichomes, which contain the cannabinoids and terpenes responsible for the strain’s effects and aroma.

Meet Black Runtz’s Cousin: White Runtz

There is a potent strain with the name White Runtz that you might be familiar with. While both the White Runtz and Black Runtz strains share similarities in terms of lineage and aroma, they differ in appearance and effects.

White Runtz tends to have a lighter, frosty appearance and a balanced high, while Black Runtz features darker colors and induces a more sedating and relaxing experience. Ultimately, the choice between the two strains may come down to personal preference and desired effects.

The Genetic Makeup of the Black Runtz Strain

Most breeders and farmers agree that Black Runtz comes with 25% THC, but some tests report nearly 30% THC content. Even at the 25% mark, we recommend that all smokers, even experienced ones, take it slow with Black Runtz. The last thing you want is to “green out” from overwhelming psychoactive effects. This strain offers quite the sensory experience.

The CBD content of Black Runtz is extremely low, hovering at around 1% on average. The cannabis community agrees that there’s nothing better than a balanced 50/50 hybrid with equal parts indica and sativa—and that’s exactly what you get with this strain!

Black Runtz is a popular choice because of its 50% sativa and 50% indica genetic profile. Having access to the best of both worlds provides an enjoyable experience so long as you mind with the 25% THC levels and proceed with caution. This hybrid cannabis strain has a lot to offer in terms of psychoactive effects, so let’s jump into the next section!

How Does Black Runtz Make Users Feel?

Even though the Black Runtz strain is equal parts indica and sativa, its effects lean toward the indica side with calming and relaxing qualities. Runtz cannabis, in general, is known to be a soothing cannabis umbrella (you have the regular Runtz strain, White Runtz, Blue Runtz, Cherry Runtz, Black Cherry Runtz, and so on). The complete list of Runtz spin-offs is pretty massive!

The Black Runtz strain is known in the cannabis industry for its potent relaxation-inducing properties. Users often report a deep sense of physical calmness, with tension and stress melting away. This makes it a popular choice for unwinding after a long day or for promoting sleep.

Cannabis enthusiasts love this hybrid for its additional uplifting effects! Black Runtz can produce feelings of euphoria and happiness, which may also offer potential benefits to those struggling with mood disorders and mood swings. When used recreationally, the Black Runtz strain can provide relaxation, a good night’s sleep, and full-body tingles that help you melt into the couch.

The Dark Side of Black Runtz Marijuana Seeds

Of course, no cannabis strain is without mild adverse effects. In the case of the Black Runtz strain, with its soaring THC content, the adverse effects might lean toward the stronger side—but we promise it’s nothing to be scared of!

Let’s say you did get a little carried away with this potent strain, what would happen? You might experience dry mouth, red eyes, elevated heart rate, and racing thoughts. Note that this may happen with any cannabis strain and not just Black Runtz. This strain does have powerful effects and should be enjoyed responsibly.

The enjoyable effects kick in when you smoke Black Runtz marijuana seeds little by little. This strain is the ideal choice for smokers who’ve already built up a tolerance to THC and understand their limits. If you do start to feel overwhelmed by its THC, sip on cold water and fix yourself a hearty snack. A full belly pairs greatly with smoking cannabis.

How to Grow the Black Runtz Feminized Seeds

Growing the Black Runtz strain from seed requires careful attention to environmental conditions, proper nutrition, and cultivation techniques. If the beginning stages of cannabis cultivation are successful, you should witness a flowering time between 55-65 days. That means approximately 8-9 weeks until harvest time for all you experienced growers.

Since Black Runtz cannabis seeds fall under the photoperiod category, you can expect a yield of 500g per square meter when grown indoors. Most cannabis strains produce higher yields outdoors because of the additional grow room and natural light. The Black Runtz cannabis strain is no different.

Outdoors, growers have noted yields up to 1,000g per plant. Under optimal conditions, Black Runtz marijuana seeds are a high-yielding cannabis strain that loves to grow vertically, which makes it better suited for outdoor growing where there’s no ceiling. These plants love to grow tall and they love to grow at warp speed.

The Worst Type of Grower for Black Runtz Marijuana Seeds

Beginner growers might have a hard time with the Black Runtz strain. As mentioned above, these cannabis plants love to grow and grow and grow. You might have a Jack and the Giant Beanstalk on your hands if you don’t have proper curing. Prune too much or too little and you might mess up the yield of your plant.

Indoor growers might also have a hard time with this hybrid. She grows relatively tall instead of wide, which means you need a grow room with high ceilings to make this gal happy. An unhappy marijuana plant will not produce a high yield. In short, Black Runtz cannabis plants thrive best outdoors where there’s plenty of space to go up, up, and up.

Your average Black Runtz cannabis plant will grow to be five feet tall. Some houses and apartment buildings have ceilings that are eight feet tall, so keep that in mind if you choose to be an indoor grower. You might notice that you lack the ceiling room to keep Black Runtz in the house. Indoor cultivation is not the optimal route for this strain, just sayin’.

The Best Type of Grower for Black Runtz Marijuana Seeds

In case you didn’t already guess, outdoor cultivation is the way to go with the Black Runtz strain. She loves the natural light of the sun and plenty of overhead space. The ideal location would have a Mediterranean-like climate characterized by warm temperatures, plenty of sunlight, and low humidity. Humidity levels play a crucial role with the Black Runtz strain.

She thrives in temperatures between 68-82°F (20-28°C) during the day and slightly cooler temperatures at night. Select a sunny and well-ventilated outdoor location with at least 6-8 hours of direct sunlight per day. Ensure that the chosen spot receives adequate natural light throughout the entire growing season to promote healthy growth and maximize yields.

Outdoors, you don’t have to stress about light cycles because the sun does the work for you. However, outdoor cultivation is trickier than indoor because there are so many variables beyond your control (temperature, weather, humidity, wind, and so on). With indoor cultivation, you have the aid of fluorescent lights to track the light cycle. There are pros and cons to both.

The Yummy Side of Black Runtz Marijuana Seeds

Black Runtz is renowned for its distinct flavor and aroma profile, which combines sweet, fruity, and earthy notes with a hint of spice. This yummy hybrid exhibits a pronounced sweetness reminiscent of ripe berries, grapes, or tropical fruits. The sweetness is often described as candy-like or dessert-like, with a rich and indulgent quality.

Alongside the sweetness, Black Runtz offers fruity undertones that contribute to its complex flavor profile. Users may detect notes of citrus, particularly lemon or orange, as well as hints of tropical fruits like mango or pineapple. Talk about a mouth-watering blend of flavors! If you’re looking for more marijuana strains with a fruity flavor profile, check out Strawberry Banana, Gushers, and Grape Ape.

Despite its sweet and fruity qualities, Black Runtz also features subtle earthy undertones that add depth and complexity to its flavor. These earthy notes may evoke associations with damp soil, woodiness, or spices like cinnamon or nutmeg.

Where to Buy Black Runtz Photoperiod Plants

We don’t sell full-fledged plants, but we do have Black Runtz feminized seeds for sale for all your outdoor and indoor growing needs. Growers Choice Seeds is the number one choice for growers who’d like to cultivate their own garden of marijuana plants at home be they auto-flowering plants or photoperiod cannabis plants. You don’t need to have a green thumb to start your marijuana journey, simply browse our website for seeds that suit your needs. Yes, we rhymed on purpose.

Growers Choice is an excellent choice for growers of all levels because we offer over 500 varieties of weed seeds. On our site, you’ll find feminized seeds that produce female plants, auto-flowering strains, and high-CBD seeds. Our most popular strains are Wedding Crasher, Tropicana Cookies, and Peanut Butter Breath, which is also a Cannabis Cup winner.

No matter your taste buds, Growers Choice has the product for you! Is that our Black Runtz cannabis seeds? Buy your high-quality seeds to start growing and find out. Your cannabis cultivation journey is one seed away.

Black Runtz Seeds Details

Strain Genetics

Zkittlez x Gelato


50% Indica, 50% Sativa

Flowering Time

55-65 days

THC Range


THC Content



Fatigued, Happiness, Relaxation

Indoor Yield


Outdoor Yield



Fruity, Spicy, Sweet

Flowering Type


Growing Difficulty


Where to Grow


Seed Type

Feminized Cannabis Seeds


Growers Choice Cannabis Seeds

Plant Height


Best Time of Use


Reviews for Black Runtz Seeds

Based on 29 Reviews
  1. Verified Owner

    I stumbled upon these feminized cannabis seeds, I knew I had to give them a try. I was not disappointed. The plants grew beautifully and the buds were dense and sticky – just like the name suggests!

  2. Verified Owner

    Working great! The plants were easy to manage, and the buds were dense and sticky. The high was perfectly balanced, providing relaxation without couch-lock.

  3. Verified Owner

    The final product was amazing! Strong body and head high. The smell and taste were full of rich, sweet berries. Great product, 5 stars all the way.

  4. Verified Owner

    Black Runtz is an amazing strain! Strong and resilient plants that yielded dense, frosty buds. The high is incredibly relaxing and euphoric. A must-grow for sure.

  5. Verified Owner

    This strain is a sleeper strain, fascinating to watch grow all around. The buds had a delightful mix of berry and citrus aromas, and the high was incredibly relaxing yet uplifting.

  6. Verified Owner

    Growing Black Runtz was a great experience. The plants were strong and produced dense, sticky buds. The high was a perfect blend of relaxation and euphoria.

  7. Verified Owner

    These plants are so easy to grow and maintain, and the buds they produce are top-notch. The high is intense and long-lasting, making it a great choice for both recreational and medicinal users.

  8. Verified Owner

    Been growing Black Runtz for a few months now. The plants are easy to manage and have a nice yield. The buds are dense and covered in trichomes. The high is relaxing, perfect for unwinding after a long day. Delivery was quick, and the packaging was discreet. Great for both beginners and experienced growers.

  9. Verified Owner

    As a grower, I gotta say, these seeds are top quality! The effects are amazing, giving me a nice relaxing high that helps me unwind after a long day of work. Plus, the delivery was super quick and discreet, which I really appreciate. Overall, I’m really happy with my purchase and will definitely be buying from Growers Choice Seeds again!

  10. Verified Owner

    Black Runtz seeds grew into beautiful, dark plants with dense buds.” Many people like the sweet berry taste, and the mild high is good at any time of the day. It was simple to grow them and they didn’t need much care. They also gave me a good crop.

  11. Verified Owner

    Man, I can’t describe how much I love this plant and its effects. It’s ultra chilled with a nice funny mood.

  12. Verified Owner

    The plants were easy to care for and produced a generous harvest. The flavor was a delightful mix of sweet and earthy notes, and the high was incredibly relaxing.

  13. Verified Owner

    Black runtz seeds developed into stunning, dark plants with lots of fragrant blossoms. Anytime of day, the high is well-balanced. Easily grown and produced a lot. There was not much particular maintenance required for the plants.

  14. Verified Owner

    Black Runtz seeds sprouted into vibrant plants with dark, juicy buds that are a real visual treat. The fruity, berry flavor is sweet and the high is perfectly balanced, providing both relaxation and a pleasant euphoria.

  15. Verified Owner

    The plants were robust and easy to manage, and the buds had a sweet, fruity aroma. The high was smooth and relaxing. H

  16. Verified Owner

    Seeing some super great growth on these, huge fan leaves, really thick stems, some great genetics here. I’ll report back after harvest.

  17. Verified Owner

    I harvested a bounty of buds in just 8 weeks, and I couldn’t be happier with the results. This strain is a winner in my book.

  18. Verified Owner

    Black Runtz seeds turned into beautiful, dark plants with lots of buds that smelled sweet. It’s a good high that you can get at any time of the day. It’s simple to grow and gives a lot. The plants didn’t need much care, which made them great for people who are just starting out. Definitely going to grow these again.

  19. Verified Owner

    Black Runtz seeds grew into beautiful, dark plants with dense, sweet-smelling buds. The high is balanced and great for any time of day. Easy to grow and yielded a lot. The plants didn’t need much special care, making them perfect for beginners.

  20. Verified Owner

    These Black Runtz seeds turned into some beautiful plants. The dark, frosty buds are a sight, and the high is just as good. It’s a smooth smoke, perfect for my evening unwind. Love the sweet, berry flavor it’s got.

  21. Verified Owner

    Black Runtz seeds grew into beautiful, dark plants with dense, sweet-smelling buds. It’s a good high that you can get at any time of the day. It’s simple to grow and gives a lot.

  22. Verified Owner

    The plants grew quickly and produced a large harvest of high-quality buds. The seeds were easy to work with, and the plants were strong and healthy.

  23. Verified Owner

    Black Runtz was my first grow, and I’m really happy with it. The plants didn’t spread out, which was great for my small area. It tastes great, like berries, and the high is just right, not too strong. Great for people like me who are just starting out.

  24. Verified Owner

    Among the best strains I’ve ever raised. The plants were robust and produced stunningly dense, black buds. The smoke is smooth and the flavor is sweet, almost like cherries. It’s a well-balanced high that works well day or night. also had an excellent output. Will grow these again without a doubt.

  25. Verified Owner

    Got the Black Runtz seeds and they sprouted real quick. Plants were hearty and the buds turned out super dense and sticky. Love the sweet, fruity flavor—it’s like a treat at the end of the day. Helps a lot with my sleep too.

  26. Verified Owner

    Growers Choice Seeds’ Black Runtz Feminized Cannabis Seeds are the best I’ve ever bought. The plants are looking great, and it’s amazing how many trichomes they are making. Looking forward to trying this strain that is known for having fruity tastes and calming effects.

  27. Verified Owner

    Dark, lovely plants with thick, fragrant buds sprouted from black runtz seeds. Anytime of day, the high is well-balanced. Easily grown and produced a lot. Beginners might take care of the plants without much extra attention.

  28. Verified Owner

    Black Runtz seeds turned into beautiful, dark plants with lots of buds that smelled sweet. It’s a good high that you can get at any time of the day. Very easy to grow and gave a lot. The plants didn’t need much care, which made them great for people who are just starting out.

  29. Verified Owner

    I was blown away when I tried Black Runtz for the first time. It was easy to grow the plants, and the buds were dark and thick. The berry taste was great, and the high was just the right amount of calm and happiness. Not much fuss was needed for this strain; it just needed regular care.

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*To be covered by the Growers Choice Cannabis Seeds 90% Germination Guarantee, you must precisely follow the Germination Method.
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