C99 x Blueberry Fast: The Speedy Sweet Sativa
C99 x Blueberry Fast: The Speedy Sweet Sativa
Strain Overview
Type: Sativa-Dominant Fast-Flowering Photoperiod (65% Sativa / 35% Indica)
Breeder: Seedsman
Lineage: Cinderella 99 x Blueberry x Secret Fast Genetics
Market Status: The "Fruity Sprinter"; C99 x Blueberry Fast is an ingenious combination of two vastly different, legendary cannabis lineages, engineered specifically for growers who demand speed. Seedsman took the soaring, pineapple-flavored cerebral energy of Cinderella 99 (often called the "Holy Grail" of indoor Sativas) and crossed it with the heavy, sweet-berry comfort of classic Blueberry. By introducing recessive fast-flowering genetics, they created a high-yielding photoperiod that finishes its blooming cycle in a staggering 6 to 7 weeks. Testing around 15% to 20% THC, it delivers a beautifully balanced, functional daytime high wrapped in a mouth-watering aroma of tropical fruit and mixed berries.
THC Content: Moderate to High (15% – 20%)
Dominant Terpenes: Myrcene, Pinene, Limonene, Caryophyllene
Key Effects: Uplifting Cerebral Euphoria, Creative Focus, Gentle Physical Relaxation, Stress Relief, Functional Energy
C99 x Blueberry Fast is the ultimate crop for Sativa lovers who hate waiting.
Traditionally, growing heavy-hitting Sativas like Cinderella 99 means committing to a long, arduous flowering phase that can easily stretch past 10 weeks. This strain completely rewrites that timeline. It offers the vigorous vegetative growth and yield control of a photoperiod, but the moment you flip your lights to 12/12, it races to a frosty, fruit-scented finish faster than many true Indicas. If you want a functional, feel-good daytime smoke that tastes like a tropical fruit smoothie and practically leaps to the harvest line, this is a phenomenal addition to your garden.
History and Lineage: Colliding Two Cannabis Monarchs
To create a fast-flowering hybrid with such a complex, fruity profile, Seedsman orchestrated a brilliant genetic marriage between two distinct cannabis royalty lines.
The Sativa Holy Grail (Cinderella 99): Bred by the legendary Brothers Grimm, "Cindy 99" is famous for producing a soaring, intensely psychoactive Sativa high with an intoxicating aroma of sweet pineapple and tropical citrus, all while maintaining a surprisingly short, bushy stature for a Sativa.
The Indica Legend (Blueberry): DJ Short’s famous Blueberry brings the necessary Indica anchor to the cross. It passes down its signature sweet berry flavors, stunning purple/blue visual aesthetics, and a deeply soothing physical relaxation that smooths out the racy edges of the C99.
The "Fast" Catalyst: To drastically accelerate the flowering time, breeders introduced a highly stabilized, recessive autoflowering (ruderalis) genetic line. This acts as a biological turbocharger—it doesn't make the plant an autoflower, but it forces the photoperiod to sprint through its 12/12 blooming phase in under 50 days.
Terpene Profile: Tropical Pineapple and Sweet Berries
C99 x Blueberry Fast is an absolute delight for flavor chasers. It completely ignores heavy gas, earth, or skunk, delivering a bright, sugary, and profoundly fruity aromatic experience.
Dominant Terpenes
Myrcene (The Sweet Fruit): The driving terpene. It provides a heavy, sugary berry and tropical fruit foundation that seamlessly blends the blueberry and pineapple lineages, while initiating the soothing physical undertones of the high.
Limonene (The Citrus Zest): Highly present, it cuts through the sweet berries with a bright, refreshing splash of tart pineapple and sweet citrus, elevating the mood and driving the initial cerebral euphoria.
Pinene (The Fresh Forest): Works to provide a distinct, sharp and sweet pine note that opens the airways, clears brain fog, and keeps the Sativa energy focused and functional.
Caryophyllene (The Subtle Spice): Works in the background to provide a faint, warm and woody finish that mimics the classic Haze roots of C99.
Flavor Notes:
The Aroma: Bright, tropical, and sweet. It smells of ripe pineapple, freshly picked blueberries, sweet citrus, and a hint of fresh pine.
The Smoke: Incredibly smooth and fruit-forward. It tastes of tropical fruit salad and sweet berries on the inhale, leaving a highly distinct, tart citrus and earthy wood finish on the exhale.
Strain Effects: The Feel-Good 65/35
With THC levels resting in the highly manageable 15% to 20% range, C99 x Blueberry Fast is not designed to knock you out. It is the ultimate functional, feel-good daytime companion.
The Experience
The Cindy Spark: The high begins rapidly right behind the eyes. You are greeted with the classic Cinderella 99 bright, euphoric Sativa energy that instantly elevates the mood, sharpens your focus, and makes you want to get moving.
The Creative Coast: For the first hour, the mental clarity is phenomenal. It is an excellent strain for engaging in creative hobbies, tackling a busy weekend to-do list, or enjoying outdoor activities like hiking.
The Blueberry Release: As the cerebral energy eventually plateaus, the heavy Indica genetics of the Blueberry gently assert themselves. A smooth, warming physical relaxation eases into the muscles, relieving chronic aches and tension without causing heavy sedation.
The Functional Chill: It leaves you in a state of perfectly balanced, peaceful productivity. You will feel physically loose but entirely capable of staying active and social.
Best For: Morning wake-and-bake sessions, creative workflows, outdoor adventures, combating depression and midday fatigue, and managing mild pain while remaining entirely functional.
Growing C99 x Blueberry Fast: The 7-Week Sprinter
This is one of the most efficient, high-yielding, and resilient Sativa-dominant strains a grower can choose. It is especially valuable for outdoor growers in northern climates facing short summers.
Growth Structure
The Size: Medium to Tall. It exhibits strong hybrid vigor during the vegetative stage. Indoors, it will stretch notably when flipped to flower, usually reaching 100 to 150 cm (3 to 5 feet). It develops a strong main stalk but requires support for its heavy lateral branches.
The Visuals: Frosty and Vibrant. The bag appeal is excellent. The buds are chunky and slightly elongated, displaying vibrant neon greens that frequently flash beautiful shades of blue and soft purple late in flower (especially in cooler temperatures), all smothered in a thick layer of frosty trichomes.
The Yield: High Commercial. Indoors, expect a highly rewarding 450–550g/m². Outdoors, a well-vegged plant can yield an impressive 400–600g/plant.
The Time: Lightning fast. Once flipped to 12/12, it only requires 45 to 50 days (6 to 7 weeks) to reach full maturity, making it one of the fastest Sativas on the market.
Grower’s Tip: Because C99 x Blueberry Fast races through its flowering phase, you must ensure your nutrient game is dialed in—it doesn't have time to recover from major deficiencies. Light defoliation and LST (Low Stress Training) during the vegetative phase will help create an even canopy, maximizing those massive, fruit-scented colas. Outdoors, its extreme speed makes it almost immune to late-season botrytis (bud rot) because you will harvest long before the autumn rains arrive.
Similar Strains / Lineage Relations
If you respect the incredible speed, sweet tropical flavors, and perfectly balanced high of C99 x Blueberry Fast, you should explore these related genetics:
Cinderella 99 (Brothers Grimm / Various): The Sativa Mother.
Why: If you want the pure, foundational genetics of the "Holy Grail" Sativa, offering a purely energetic, highly psychoactive experience and an unadulterated pineapple flavor profile.
Blueberry (DJ Short / Various): The Indica Father.
Why: If you love the sweet berry flavors and colorful aesthetics, but want to drop the Sativa influence entirely for a heavy, sleep-inducing, pure Indica couch-lock.
Blue Dream Fast (Seedsman): The West Coast Sibling.
Why: Another elite fast-flowering Sativa dominant. It offers a very similar rapid flowering time and blueberry flavor, but trades the pineapple notes of C99 for the earthy, vanilla, and hazy influence of Super Silver Haze.
Final Verdict: The Tropical Speed Demon
C99 x Blueberry Fast is a spectacular breeding achievement for the impatient Sativa lover. Seedsman successfully took the soaring, pineapple-flavored euphoria of Cinderella 99 and the comforting, berry-sweet relaxation of Blueberry, and engineered them into a lightning-fast photoperiod. It delivers commercial-grade harvests of jaw-dropping, fruit-scented buds in just 6 to 7 weeks. Whether you are an outdoor grower trying to beat the autumn frost, or a home grower looking for the ultimate functional daytime smoke, this strain is an absolute must-run.
You should choose C99 x Blueberry Fast if:
You want Sativa-dominant effects without the agonizingly long flowering time.
You love sweet, tropical Pineapple/Blueberry/Citrus flavor profiles.
You need a highly functional, creative, and uplifting daytime high.
You want the yield control of a photoperiod but the speed of an autoflower.
Score: 9.3/10 (The Sativa Sprinter)