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Close-up of Serious 6 cannabis flower with vibrant pink pistils and frosty trichomes.
Serious Seeds Serious 6 Feminized Cannabis Seeds Packaging
Close-up of Serious 6 cannabis flower with vibrant pink pistils and frosty trichomes.
Serious Seeds Serious 6 Feminized Cannabis Seeds Packaging
Cool morning sun on bare stone, the light crisp like a thought before it forms. The air tastes of herbs, rain, and distance. Nothing rushes. Everything waits - like the day has plans it hasn’t told you yet.

Serious 6

Serious Seeds

€31.00*

Available, delivery time: 1-3 days

Seeds: 3
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Product number: SOE10126.1

Serious 6 Seeds

Serious 6

Grows Where Others Rot

Serious 6 is an almost pure sativa bred specifically for outdoor growers in cold, humid climates. By combining rugged Canadian genetics with African landraces, this plant grows tall and slender with dense buds, minimal leaf mass, and exceptional mold resistance. Even in northern regions, it finishes by mid to late September and surprises with pink pistils and purple hues as flowering concludes.

Its multilayered aroma blends lemon, anise, and spicy notes - a dream for terpene lovers. The effect is a crystal-clear, energizing sativa high with creative and meditative undertones, gently grounded by a physical edge. Indoors, Serious 6 requires care due to its sensitivity to light stress, but outdoors it truly thrives. A go-to strain for anyone seeking early harvests without sacrificing a true sativa experience.

calming energizing

Details

  • Icon - Flower with clock in the middle

    Flowering Period
    56 days

THC 17 %
CBD 0-1%
Sativa
Ornamental word underline with downward arrow in Art Deco style
Serious Seeds Serious 6 Feminized Cannabis Seeds Packaging

Type

  • Icon - pink symbol for the female gender

    Feminized Seeds
    99.9 % female plants

  • Icon - Rising sun with text 'PHOTO' underneath

    Photoperiodic Seeds
    Begins to flower as soon as the days get shorter, or you reduce the light time.

Genetics

Short info about "Serious Seeds"
Serious Seeds is one of the oldest and most respected seed banks in the Netherlands, known for over 30 years of high-quality, stable, and meticulously bred cannabis strains. The quality of their genetics is backed by numerous awards and a loyal fan base worldwide.
More about Serious Seeds

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Flavor Profile

Effect

Flavor Profile

Tropical fruit assortment featuring papaya, mango, banana, watermelon, and passion fruit on green leaves.
Tropical

Like a cocktail served by a parrot.

Tropical palm tree silhouette representing relaxation and natural vibes
Assorted sugar varieties including cubes, granulated, brown, and rock sugar.
Sweet

A hint of honey and ripe fruits

Cannabis-infused chocolate cupcake topped with a cherry.
Fresh mango slices and whole fruit in wooden bowls.
Mango

The exotic aroma of sun-ripened mangoes

Cannabis leaf icon illustration with gradient background.
Close-up of Serious 6 cannabis flower with vibrant pink pistils and frosty trichomes.

Effect

Energized

Like a squirrel on espresso

Golden lightning bolt icon representing energy and power
focused

... like a chameleon in a paint store

Circular logo with a stylized eye and green leaf motif.
Aroused

.. like a USB plug right before the third attempt

Three rustic wooden hearts stacked vertically.
Information about the effects is based on a database of user reports.

Perfectly matched to your item Serious 6

Seed cross selling

AK-47
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Within the shimmering heat of an asphalt wilderness lurks a shadow, steeped in roaring engine scents and dense skunk aroma. A single spark ignites the endless horizon with blinding light—and suddenly every nerve is tied to the blazing spectacle.
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Auto AK-47
Auto AK-47 cannabis flower featuring dense buds and vibrant green leaves.
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A spark flares at dawn, and an unexplainable tingle fills the air. With each breath, you feel the thrill of adventure coursing through your veins.
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Auto Kong® 4
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The dense jungle hums with life, the distant calls of exotic birds echoing through the emerald-green canopy. Warm, humid air clings to your skin, carrying the earthy scent of damp soil and wild orchids. Suddenly, a deep, resonant grunt comes from the underbrush, and a massive silverback gorilla steps forward, its dark eyes observing you with silent intensity. Leaves rustle as it moves, the sound blending with the rhythmic dripping of water falling from the leaves above. In this primal moment, you feel the raw pulse of nature – alive and untamed.
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Auto Wappa®
Auto Wappa®: Frosty cannabis flower with vibrant orange pistils.
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The setting sun paints the sky in a glowing red as the sweet scent of lavender and ripe berries surrounds you. A moment of weightlessness—the world stands still, and you breathe in the essence of pure exotica.
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Black Domina Feminized
Black Domina Feminized: Close-up of a vibrant cannabis flower with dense trichomes and orange accents.
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Details
In der tiefen Schwärze der Nacht, wo nur flüsternde Schatten tanzen, fängt ein dunkles Geheimnis an zu glühen – sinnlich, erdig, ungezähmt.
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Blueberry Muffin
Blueberry Muffin cannabis plant showcasing vibrant purple buds and lush green leaves.
Blueberry Muffin - Cannabis Seeds by Humboldt Seed Company - Packaging for feminized cannabis seeds with a clear tube and leaf design.
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A wave of cozy bakery air slips across the damp forest ground, lifting the tempting freshness of ripe blueberries. Within this alluring haze, a sweet, mysterious moment draws near—much like the first bite into a freshly baked treat.
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Hella Jelly
Close-up of Hella Jelly cannabis bud with frosty trichomes.
Hella Jelly - Cannabis Seeds by Humboldt Seed Company - Packaging showing feminized cannabis seeds in a clear tube with leaf design.
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A wild coastal wind lashes jagged cliffs as the surf booms against the shore. The sky glimmers like a promise in stormy twilight, and you feel the faint thunder of your own wanderlust. Somewhere out there, a crashing crescendo of color and desire lies waiting.
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Jack Herer® Automatic
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Ein sanfter Wind streift über grüne Felder und lässt Gedanken sprießen, während die Welt leise neue Geschichten erzählt.
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Medicine Man
Medicine Man cannabis bud with frosty trichomes and vibrant orange pistils
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A thick haze drifts through the glowing hills, while a silent heartbeat vibrates the land. Every step forward reveals an undiscovered realm.
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Mint Jelly Autoflower
Mint Jelly Autoflower: Vibrant green buds with frosty trichomes and orange pistils.
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Amid the morning forest fog, a distant shimmer flickers as though silvery sparks dance on dark moss. A spicy gasp pierces the hush, hinting at latent power—where every fiber brims with a sudden rush of crisp depth.
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Northern Lights Automatic
Northern Lights Automatic cannabis bud with frosty trichomes and vibrant green leaves.
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Details
Ein leises Knistern in der Dämmerung, während im Hintergrund ein fernes Flüstern von Kiefernnadeln und Zitrusnoten den Abend einläutet.
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Northern Lights Feminized
Northern Lights Feminized cannabis flower with dense buds and vibrant green leaves.
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A distant flicker in the night sky, a mysterious glow that promises both calm and strength.
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Sensi Star®
Sensi Star® bud close-up featuring frosty trichomes and vibrant orange pistils.
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An explosion of energy and depth—the night holds its breath as a new starlight awakens on the horizon.
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Shark Shock
Shark Shock cannabis plant with vibrant green leaves and trichome-covered buds.
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A distant storm rolls over the growing waves, as if the depths themselves are reaching for you. Take one deep breath and dive right in.
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Sour Apple Autoflower
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Eine kühle Strömung streift über das üppige Grasland und entfacht ein prickelndes Rauschen im Morgengrauen. In der Stille liegt ein Funke, der plötzlich auflodert und den ganzen Himmel in eine glimmende Aura verwandelt.
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Strawberry AK
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In the crisp twilight air drifts a whisper of strawberry, luring you onward to unforgettable night.
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Sunset Paradise®
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The setting sun paints the sky in a fiery red as the sweet aroma of lavender and ripe berries surrounds you. A moment of weightlessness – time stands still, and you breathe in the essence of pure exoticism.
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A fleeting spark in the twilight, citrus notes in the warm breeze, and you feel adventure pulsing through your veins.
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A sharp spark echoes through the dim courtyard, where chill stone meets a waft of warmth. A faint breeze teases your senses, whispering of alluring secrets that lurk just beyond the silent dark.
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Autoflower

Autoflowering cannabis strains are hybrids with Ruderalis genetics that bloom independently of light cycles. This trait evolved as an adaptation to northern climates with short summers. Unlike photoperiod strains, which require specific light cycles to flower, autoflowers begin flowering automatically after a growth period of approximately 2 to 4 weeks, depending on the genetics. Their short lifecycle—usually around 70 to 80 days—makes them ideal for quick harvests, whether grown indoors or outdoors.

Autoflowers are popular among beginners and experienced growers alike due to their simplicity and ability to produce multiple harvests in a year. High-quality autoflowers are often resilient to cold, pests, and mold, though breeding quality plays a crucial role. Poorly bred autoflowers may be more prone to mold or stress-related issues. Their compact size (typically 75–100 cm) makes them well-suited for small spaces or discreet setups. Additionally, in regions with unpredictable weather or short summers, their rapid lifecycle allows them to bypass extreme conditions before harvest.

Photoperiod

Photoperiod cannabis strains require specific light cycles to trigger their flowering phase. In nature, this phase begins when days grow shorter—typically in late summer or autumn. The process is regulated by light-sensitive proteins called phytochromes. In indoor cultivation, growers replicate these conditions by adjusting the daily light schedule from 18 hours of light (vegetative phase) to usually 12 hours of light and darkness (flowering phase).

Photoperiod strains often offer greater variety and potency than autoflowers, as their genetic pool is broader and not limited by Ruderalis genetics. However, some autoflowers are beginning to close the gap in both potency and diversity. These strains are favored by experienced growers because they allow precise control over growth, size, yield, and cannabinoid profiles. However, they require meticulous management of light cycles, temperature, humidity, and nutrients to achieve optimal results.

Informatorium

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Cannabis terpene flavor wheel showcasing aromas like fruity, earthy, spicy, sweet, and herbal.

The Fascinating World of Terpenes

These versatile molecules are responsible for the diverse aromas and scents emitted by plants. Terpenes are far more than just fragrant molecules; scientific studies suggest they may have therapeutic effects, such as alleviating inflammation and enhancing well-being.

They are an essential part of the Earth's biological diversity, present in everything from fruits to flowers, shaping the olfactory profile of each plant. With our innovative terpene wheel, we aim to provide you with an overview of the complexity and variety of terpenes and their flavor categorization. All these natural aromas play a key role in forming the taste and scent profile of each cannabis strain.

Deepen your knowledge about terpenes in the Informatorium!

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Icon - crossed leaves exude naturalness

Organic

Our cannabis flowers are cultivated under the strictest organic standards. This means that instead of pesticides, we use beneficial organisms to combat pests naturally and avoid synthetic pesticides, artificial fertilizers, or genetically modified organisms. Organic cultivation ensures the purity and quality of our products while preserving natural biodiversity and the healthy condition of the soil. Thus, we can guarantee a natural and unadulterated product.

Icon - a crossed-out Erlenmeyer flask represents naturalness

Natural

Naturalness is at the forefront for us. Our cannabis flowers are free from artificial additives, preservatives, and colorants to preserve the plant’s natural purity and integrity. We strive to offer products that maintain a wide spectrum of terpenes, cannabinoids, and other valuable plant compounds present in cannabis.

Icon - smiling globe stands for sustainability

Sustainable

For us, sustainability is a firm conviction and a lived practice. We strive to avoid plastic wherever possible and focus on climate-neutral shipping, sustainable cultivation methods, and using natural raw materials like wood wool to insulate our shipping cartons.

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