Sour Crack: The Usain Bolt of Autoflowers
Sour Crack: The Usain Bolt of Autoflowers
Strain Overview
Type: Indica-Dominant Hybrid Autoflower (90% Indica / 10% Sativa)
Breeder: Mephisto Genetics
Lineage: 24 Carat x Auto Green Crack (Cecil C. cut)
Market Status: The "Speed King"; widely recognized as one of the fastest flowering cannabis strains on Earth.
THC Content: 19% – 22% (High)
Dominant Terpenes: Myrcene, Caryophyllene, Pinene
Key Effects: Immediate Rush, Narcotic Sedation, Pain Numbing, "One-Hit" Potency
In the world of autoflowers, patience is usually a virtue. With Sour Crack, patience is unnecessary.
Bred by the artisans at Mephisto Genetics, Sour Crack was designed with a single, obsessive goal: Speed. By crossing their most narcotic Indica (24 Carat) with the legendary high-energy Sativa (Green Crack), they created a biological anomaly. It is a plant that sprints from seed to harvest in as little as 55 days.
But do not mistake speed for weakness. Sour Crack is a "White Strain"—a plant that produces so much resin it looks like an iceberg. It is the ultimate choice for the impatient grower, the commercial cultivator needing quick turnover, or the stealth gardener who needs a plant in and out before anyone notices.
History and Lineage: The Crash Collision
Sour Crack is an F5+ stabilized strain, meaning Mephisto has spent generations locking in its specific traits. It is a clash of two polar opposites.
The Mother (24 Carat): Mephisto’s flagship pure Afghan Indica. It is short, stout, and incredibly sedative. It brings the rock-hard bud density and the "couch-lock" effect.
The Father (Auto Green Crack): Derived from the famous Cecil C. cut of Green Crack (a Sativa known for energy). It brings the lightning-fast metabolic rate and the "sour" fruit terpene profile.
The Result: A plant that grows with the speed of a Sativa but the structure and effect of a heavy Indica. It is the genetic backbone of many other famous crosses (including Sour Stomper).
Terpene Profile: Tart and Floral
Sour Crack has a sophisticated, old-school aroma. It isn't a "fruit bomb" like modern strains; it is sharper and more floral.
Dominant Terpenes
Myrcene (The Musk): The dominant terpene, reinforcing the heavy Afghan influence. It smells of damp earth and ripe fruit.
Caryophyllene (The Pepper): Adds a spicy kick that tingles the nose, contributing to the "Cracked pepper" vibe.
Pinene (The Sharpness): A distinct floral/pine note that makes the buds smell fresh and clean.
Flavor Notes:
The Aroma: It is pungent but pleasant. It smells of sour apples, peppery spice, and fresh gardenias.
The Smoke: Crisp and expansive. It tastes of tart fruit, sandalwood, and earthy pine.
Strain Effects: The Slingshot
The high of Sour Crack is unique because of its conflicting parents. It acts like a slingshot.
The Experience
The Rush: The Green Crack genetics hit first. For the first 15–20 minutes, you feel a racy, cerebral buzz. Colors look brighter, and sounds are sharper.
The Crash: Then, the 24 Carat takes over. The energy vanishes, replaced instantly by a heavy, narcotic body stone.
The Numbness: This is a powerful medicinal strain. Users often report a "numbing" sensation in the face and limbs. It is excellent for acute pain.
The End: The high is relatively short-lived (1–2 hours) but intense. It almost always ends in a nap.
Best For: Flash pain relief, pre-sleep relaxation, increasing appetite, and stealth usage.
Growing Sour Crack: The 8-Week Wonder
This is the fastest plant you will likely ever grow. It is practically a magic trick.
Growth Structure
The Speed: This is the headline. Phenotypes can be ready to harvest in 55 to 60 days from sprout. You can literally pull 5–6 harvests a year in a single tent.
The Size: It is a small plant. It rarely exceeds 50cm – 70cm. It is the ultimate "closet grow" strain.
The Yield: Moderate. Because it is so small and fast, it won't yield pounds. Expect 30g – 60g per plant. However, because it is so small, you can pack many plants into a Sea of Green (SOG) configuration to maximize space.
The Frost: The bag appeal is elite. The buds are incredibly white and sticky. It is very easy to trim because the calyx-to-leaf ratio is high.
Grower’s Tip: Because the life cycle is so short, any mistake is fatal to your yield. You do not have time to recover from nutrient burn or stunting. Start with light nutrients and let the plant tell you what it needs. Do not transplant; start in the final pot.
Final Verdict: The Speed Demon
Sour Crack is a masterpiece of breeding engineering. It does exactly what it says on the tin: it grows impossibly fast, gets you incredibly high, and tastes great. It is not a commercial yielder in terms of weight-per-plant, but its speed allows for a constant supply of fresh medicine. If you are a home grower who hates waiting, or a stealth grower who needs a plant that stays small and finishes fast, Sour Crack is the gold standard.
You should choose Sour Crack if:
You want the fastest harvest possible (55 days).
You have very limited space (Stealth/Micro grow).
You need strong, narcotic pain relief.
You want top-tier resin production for extracts.
Score: 9.6/10 (The Speed Benchmark)