Characteristics of Critical Mass CBD
| THC | 5–10% |
|---|---|
| CBD | 8–12% |
| Lineage | Critical Mass × CBD-rich donor genetics, with a Critical Mass base linked to Big Bud × Skunk #1 |
| Genetics | 80% indica, 20% sativa |
| Effects | Relaxing, clear, moderate, happy, sociable, lucid, and mildly euphoric |
| Flavors | Herbal, earthy, spicy, resinous, balsamic, sweet, and fruity, with possible notes of pepper, sage, pine, cheese, diesel, blueberries, red berries, and grapefruit |
| Terpenes | Myrcene, pinene, and beta-caryophyllene |
| Indoor yield | 500–600 g/m² |
| Outdoor yield | 600+ g/plant |
| Indoor flowering | 7–8 weeks |
| Outdoor flowering | Late September to October in the Northern Hemisphere |
Critical Mass CBD Seeds
The clearest trait of Critical Mass CBD is its ability to form compact, heavy buds while keeping a cannabidiol-rich profile. Indoors it can reach around 500–600 g/m² under good conditions, with a fast flowering time of 7–8 weeks.
It comes from Critical Mass crossed with CBD-rich donor genetics. The Critical Mass base is linked to Big Bud × Skunk #1, and here it results in an indica-dominant plant, around 80% indica and 20% sativa, with a sturdy structure, short to medium height, and thick colas that may need support at the end of flowering.
How This Genetic Line Performs in Cultivation
For general handling, it can be a good fit for beginners. One grower who grew it told us it was very easy to grow, productive, and resistant to mold and pests. Another highlighted how large the buds were getting compared with other plants.
One point deserves attention: the density of the flowers can trap moisture and increase sensitivity to Botrytis in humid environments. Outdoors, it performs best with good air circulation and mold prevention. As a practical tip, use stakes or netting when the colas gain weight and keep ventilation under control during the final stretch. Outdoor harvest usually finishes between late September and October in the Northern Hemisphere and can exceed 600 g per plant.
Effects of Critical Mass CBD
Its effect is described as relaxing, clear, and moderate, with a positive mental lift that can feel happy, sociable, lucid, and euphoric without reaching the typical intensity of a high-THC genetic. The indica side adds progressive body relaxation and calm; at higher doses or in more sedating expressions, drowsiness may appear. One consumer told us about an especially happy, uplifting, calm, and clear-headed experience, while another described it as mild in both flavor and effect.
In aroma and flavor, it starts from an herbal, earthy, resinous, and slightly balsamic base. Myrcene, pinene, and beta-caryophyllene shape the profile, which depending on the phenotype can open into pepper, sage, flowers, pine, cheese, diesel, blueberries, red berries, grapefruit, and sweetness. One grower especially noted the strong grapefruit and forest berry nuances: a fruity twist over the earthy, spicy base that keeps the character of the strain.
Why Buy Critical Mass CBD Seeds
These seeds bring together three very clear traits: fast flowering, high yields, and abundant CBD. The cannabinoid ratio can come close to a 1:1 balance or lean more toward CBD depending on selection. If you are looking for a photoperiod, indica-dominant genetic with dense buds and an earthy profile that can show sweet and fruity notes, Critical Mass CBD brings those traits together in one plant.
Frequently Asked Questions
Is Critical Mass CBD indica or sativa?
It is an indica-dominant strain, around 80% indica and 20% sativa.
Is it suitable for beginners?
It can be a good fit for beginners: the feedback we have received points to an easy and productive grow. Even so, the density of the buds means you need to watch humidity and ventilation.
When is Critical Mass CBD harvested outdoors?
In the Northern Hemisphere, it usually finishes harvest between late September and October.
Listing reviewed by the Bulk Genetics team, specialised in the selection and distribution of seeds since 2016.
Last updated: 18/09/2026
The cultivation data shown has been provided by the strain's breeder following test grows, internal selection, cultivation observation and available analyses. These values are indicative and may vary depending on the phenotype, the environment, the technique used and the specific growing conditions.
Legal information and responsible use: The data on cultivation, flowering, yield, cannabinoids, terpenes and effects is provided for informational, descriptive and variety-comparison purposes only. Bulk Genetics does not promote or encourage the cultivation of cannabis in places where current legislation does not permit it. Always check the applicable laws in your country or region before purchasing or germinating cannabis seeds. We remind you that our seeds are sold exclusively as collectors' items.


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