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Top 5 Best Blue Weed Strains
Key Points
- The blue family of cannabis genetics have made a big impact on the industry.
- Sharing Blueberry as a common ancestor, they all boast distinctive fruity flavors.
- With varying THC levels, they all offer stoning and physically relaxing effects.
- Learn more about this family below and get to know five of the best blue strains!
Blue weed strains have made waves in the world of weed. While not blue in appearance, these descendants of the legendary Blueberry strains offer delicious fruity tastes, big yields, and deeply relaxing effects. Get to know them below!
History and Origin of Blue Strains
Blue weed strains are grouped together not strictly because of their appearance, but rather their connection with Blueberry. This legendary strain has made a serious mark on the world of weed, having gained widespread recognition for its euphoric effect and unmistakable notes of blueberry.
The origins of this industry-shaking titan trace back to the 1970s. American breeder DJ Short created her by crossing revered landraces—specifically Purple Thai and Thai. This event produced an indica-dominant hybrid packed with fruity terpenes and moderate levels of THC.
Blueberry quickly gained grassroots popularity but exploded into the limelight following her 2001 win at the High Times Cannabis Cup in the Best Indica category. Since then, breeders have used Blueberry genetics to create countless new members of the “blue family”.
What Makes Blue Weed Blue?
It’s a common misconception that “blue” genetics give rise to physically blue plants. While a bright blue cannabis variety would certainly cause waves throughout the global cannabis community, blue cannabis strains simply don’t exist—at least for now.
However, some strains come close to blue hues because of their unique chemical makeup. High concentrations of anthocyanins cause shades of deep purple in some strains that sometimes almost mimic a very dark shade of blue.
The Role of Anthocyanins
Much like chlorophyll, anthocyanins are pigments found in plant leaves that determine their color. While chlorophyll bestows a luscious green color, high concentrations of anthocyanins give leaves a purple appearance. Outside of cannabis, they’re also responsible for the brilliant colors of other plants, including the eggplant and blueberry.
Looks aside, anthocyanins also play an important role in absorbing excess light and protecting plants from UV radiation. Some cannabis strains are genetically wired to produce higher levels of anthocyanins than others, especially following exposure to environmental stimuli including light intensity and temperature stress.
While high concentrations of anthocyanins in cannabis give rise to hues of deep purple and dark red, they don’t produce blue shades in weed plants—although they sometimes come close!
Effects of Blue Weed Strains
Sharing a common ancestor, blue weed strains generally produce fairly similar effects. Overall, they lean towards the stoning and relaxing end of the spectrum.
Equipped with moderate-to-high levels of THC, blue strains produce fast-acting and long-lasting effects. The addition of terpenes such as myrcene, pinene, and caryophyllene steers the high in a physically relaxing and euphoric direction.
The chemical profile found in blue weed strains makes them suited to quiet afternoons and evenings. Many users also choose to fire up these varieties immediately before bed to help their heads hit the hay.
Blue weed strains offer directly opposite effects from members of the Haze and Durban Poison families, for example. Strains that belong to these two groups produce mentally stimulating and energising effects more appropriate for daytime use.
Top 5 Blue Weed Strains
Now that you’re more familiar with blue weed in general, we’re going to dive into the specifics. Get to know five of the most-loved members of this timeless cannabis family.
Blue Cheese
As the offspring of Original Cheese and Oregon Blueberry Blend, Blue Cheese features 60% indica genetics and 40% sativa. Her THC content of 19%, medium levels of CBD, and sweet and cheesy terpenes converge to produce a clear-headed and physically relaxing experience.
Indoors, Blue Cheese will grow up to 100–160cm depending on the pot size and training techniques used. Prepare to harvest up to 550g/m² of dense resinous buds after a flowering time of 8–9 weeks. Outdoors, she’ll grow up to 200cm and produce 500–550g/plant ready to harvest in late September.
Blue Cheese
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Original Cheese x Oregon Blueberry Blend |
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18 to 19 oz/m² |
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3 to 5 feet |
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8 - 9 weeks |
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THC: 19% |
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Sativa 40% Indica 60% |
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18 to 19 oz/plant |
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5 to 7 feet |
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Late September |
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Clear, Physically Relaxing, Stoned |
Blue Mystic
Our breeders created this scrumptious member of the blue family by crossing the legendary Northern Light with Oregon Blueberry. Blue Mystic emerged from this pairing with 80% indica genetics, a THC content of 18%, and delicious flavors of candy and fruit. Expect a deeply stoning physical high to quickly take hold of your body every time you hit these buds.
When it comes to cultivation, consider using companion plants such as basil and dill to send her terpene profile through the roof. Expect to harvest up to 425g/m² from indoor plants after a flowering phase of just 8–9 weeks. Outdoors, plants surge up to 220cm and produce 400–450g/plant ready to harvest during October.
Blue Mystic
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Oregon Blueberry x Northern Light |
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13 to 15 oz/m² |
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2 to 3 feet |
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8 - 9 weeks |
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THC: 18% |
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Sativa 20% Indica 80% |
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14 to 16 oz/plant |
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6 to 7 feet |
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October |
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Stoned |
Blue Gelato
As the offspring of Blueberry, Thin Mint Girl Scout Cookies, and Sunset Sherbet, Blue Gelato inherited one of the tastiest terpene profiles in existence. Alongside her massive THC content of 23%, this indica-dominant hybrid’s sweet and gassy terpene also contributes to her physically relaxing yet mentally uplifting high.
Alongside her attractive phytochemical profile, Blue Gelato also performs superbly in the grow room and garden. For maximum output, make sure to stick to a strict feeding regimen. Grow indoor plants under powerful lights and place outdoor specimens in a south-facing area in your garden.
Indoors, Blue Gelato grows to 130cm when left untrained and produces up to 600g/m² after a flowering phase of 9–10 weeks. Outdoors, expect plants to surge to 150–200cm and pump out 500–600g/plant ready to harvest in October.
Blue Gelato
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Blueberry x Thin Mint Girl Scout Cookies x Sunset Sherbert |
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19 to 21 oz/m² |
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3 to 4 feet |
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9 - 10 weeks |
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THC: 23% |
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Sativa 20% Indica 80% |
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18 to 21 oz/plant |
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5 to 7 feet |
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October |
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Balanced, Physically Relaxing, Uplifting |
Royal Bluematic
As the autoflowering version of Blueberry, Royal Bluematic descends directly from Blueberry and a high-performing ruderalis parent. Overall, she possesses 60% indica genetics, 10% sativa, and 30% ruderalis. Her moderate THC content of 14% and high concentrations of terpenes myrcene and caryophyllene exert a gentle and stoning effect.
For the best results, grow your plants in 11L pots, making sure to use a growing medium high in organic matter and inoculated with mycorrhizal fungi. Expect indoor plants to top out at 75cm and produce 425–475g/m² after an entire growing cycle of just 11–12 weeks. Outdoors, plants grow to 100cm when left untrained and churn out 70–120g/plant.
Royal Bluematic
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Blueberry x Ruderalis |
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15 to 17 oz/m² |
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2 feet |
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7 - 8 weeks |
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THC: 14% |
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Sativa 10% Indica 60% Ruderalis 30% |
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2 to 4 oz/plant |
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2 to 3 feet |
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11 - 12 weeks after sprouting |
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Powerful , Stoned |
Haze Berry
Last but by no means least, feast your eyes on Haze Berry. Also known as Blue Dream, this sativa-dominant hybrid descends from Blueberry and Shining Silver Haze. Enjoy a long-lasting physical high and bouts of cerebral stimulation as notes of blueberry, earth, fruit, and pepper wash over your tongue with each hit.
Aim for a consistent indoor temperature of 24°C and Haze Berry will reward you with a bounty of 525–575g/m² following a flowering time of 9–11 weeks. Outdoors, she thrives in a sunny spot enriched with plenty of organic matter. Here, she’ll grow to 180cm and produce 600–650g/plant ready to harvest, trim, and dry in late October.
Haze Berry
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Blueberry x Shining Silver Haze |
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18 to 20 oz/m² |
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2 to 3 feet |
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9 - 11 weeks |
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THC: 20% |
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Sativa 60% Indica 40% |
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21 to 23 oz/plant |
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5 to 6 feet |
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Late October |
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Long Lasting , Physically Relaxing, Powerful |
Blaze These Strains to Get Blue-tifully Blissed Out!
Well, check you out! Not only are you now an expert in blue family strains, but you’re also aware of the five very best examples of these superb genetics.
Now, it’s time to put your knowledge into practice! Pick the strains above that appeal to your taste buds the most, get some seeds in the soil, and enjoy deeply stoning effects and unbeatable berry flavors! You can explore more legendary blue strains here: Royal Queen Seeds Blueberry Collection
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Strain Families
