Critical Mass

Price: $18.00 ($6.00 / seed)

Critical Mass is your go-to strain for a big, high-quality harvest without the hassle. Expect dense, resin-coated buds with an intense flavor and relaxing effects. Great for beginners and seasoned growers alike, it delivers a satisfying experience from seed to smoke.

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Critical Mass has won over growers all over the world, and for good reason. It comes from a cross between the legendary Afghani and the potent Skunk #1, an explosive combination that brings together the best of both worlds. Developed by the Mr. Nice seed bank, it was refined by master breeders Shantibaba and Nevil Schoenmakers, who set out to create a sturdy, heavy-yielding plant.

Critical Mass stands out for its huge, dense buds, so heavy that they often need staking to keep the branches from snapping. The flowers range in color from dark green to shades of purple, with orange pistils adding a striking touch. A thick coat of trichomes makes them look out of this world, a real visual treat.

Flavor and effects

The flavor of Critical Mass is a delicious blend of citrus, fruit and herbs, with clear notes of lemon and lime and a fruity undertone that wakes up your taste buds with every toke. The aroma is just as intense and penetrating, filling the room with a sweet, fruity scent that's impossible to ignore.

The effects of Critical Mass are potent and balanced. With THC between 15% and 20%, it kicks off with a strong cerebral rush, followed by a relaxing, mellow comedown. It's ideal when you want to unwind after a long day without losing that sense of euphoria and good cheer. It also carries around 1% CBD, which rounds off the high and gives it a smoother, more balanced feel.

Critical Mass terpenes

Critical Mass stands out not only for its cannabinoid profile but also for its rich terpene lineup. The most prominent are myrcene, caryophyllene and limonene.

Myrcene brings herbal, earthy notes and is typical of heavy, relaxing nighttime strains. Caryophyllene, with its spicy, peppery edge, adds warmth and depth to the flavor. Finally, limonene adds a refreshing citrus aroma that matches its upbeat, cheerful side.

Together, these terpenes enrich the aroma and flavor of Critical Mass and help shape its effect, for a complete and satisfying experience.

Yield and flowering time

Critical Mass is known for its impressive yield both indoors and outdoors. Indoors, you can expect up to about 2.5 oz per square foot, especially if you use techniques like SCROG (Screen of Green) to maximize production. The plant doesn't call for advanced skills, so even a first-time grower can easily hit around 2 oz per square foot under a good LED light.

Outdoors, Critical Mass can turn into a real giant, reaching up to 8 ft tall. With enough room and ideal conditions, yields can top 2 lb (35 oz) per plant. It's perfect if you want big, high-quality harvests without the hassle.

The flowering time of Critical Mass is relatively short, one of its big advantages. Indoors, plants are ready to harvest 45 to 55 days after you flip the lights to 12/12. Outdoors, flowering starts in late July or early August, and you can harvest in the second half of September. This fast finish makes Critical Mass a great pick if you want quick, efficient results.

How to grow Critical Mass

Growing Critical Mass is rewarding and straightforward. This strain suits beginners and experts alike. Its growing difficulty is low, which makes it a great option if you're new to growing cannabis. It doesn't need a lot of babysitting and can handle a bit of neglect without the quality of the harvest suffering.

For the best results, give Critical Mass a suitable climate. It prefers daytime temperatures of 68 °F to 81 °F and nighttime temperatures of 59 °F to 70 °F. It does best in low humidity, especially during flowering, to prevent mold in its dense buds. In humid areas, pruning helps improve airflow and lower the risk of disease.

Critical Mass is resistant to common pests, which makes it easier to grow both indoors and outdoors. Even so, it's always smart to keep a close eye on it so you can spot any sign of infestation and act fast if needed. Its sturdy, compact structure helps it carry the weight of the buds, but adding stakes toward the end of flowering is a good idea.

What we love

  • Very easy to grow and resilient.
  • Very high yield.
  • Intense flavor and effects.

What we love less

  • Strong smell during flowering.
  • Prone to mold in humid climates.

Since 2016 · Founders with over 25 years in the business

  • Free shipping over $99 And no minimum order
  • Discreet shipping No logos, no clues about the contents
  • Ships from California Tracked shipping within the US
  • Germination guarantee We have your back if it fails
  • Tested seeds Stable, proven genetics
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Frequently asked questions

What customers ask us most about Critical Mass.

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When does outdoor Critical Mass start flowering?

Outdoors, Critical Mass starts flowering between late July and early August. This strain is known for its fast flowering, which makes it a good fit for a wide range of US climates and allows an early harvest.

When is outdoor Critical Mass harvested?

Critical Mass is a fast-flowering strain that's usually harvested in late September. This early finish helps you beat the fall rains and lowers the risk of mold in its dense buds.

How do you grow feminized Critical Mass?

Critical Mass is one of the easiest plants to grow, both indoors and outdoors. With a good soil mix, plenty of sun and quality nutrients, you can expect a big yield without a lot of fuss. Its resilience and easy-going nature make it ideal for beginners.

What are the effects of Critical Mass?

Critical Mass delivers potent effects that start with a cerebral rush followed by deep, calming relaxation. It's ideal for kicking back and unwinding, with a balanced experience that blends euphoria and relaxation.

Is Critical Mass sativa or indica?

Critical Mass is a mostly indica strain. That means its effects tend to be more relaxing and heavy than those of sativas, which are usually more energizing and uplifting. Indicas generally have broader leaves and a more compact structure, which makes them ideal for indoor grows. With its indica dominance, Critical Mass offers a strong body effect and is excellent for winding down in the evening.

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