Critical Auto Features
| THC | 14-20% |
|---|---|
| CBD | Low or moderate |
| Lineage | Critical x Ruderalis |
| Genetics | Indica-dominant |
| Effects | Relaxing, pleasant, physical, body calm, positive mood, mental clarity |
| Flavors | Sweet, earthy, fruity, soft citrus, pine, skunk |
| Terpenes | Sweet, fruity, earthy, skunk, citrus, floral and spicy notes |
| Indoor yield | 350-400 g/m² |
| Outdoor yield | 70-200 g/plant |
| Indoor flowering | 9-11 weeks from seed to harvest |
| Outdoor flowering | 9-11 weeks from seed to harvest |
| Maximum height | 140 cm |
Critical Auto Seeds
Critical Auto is an autoflower that is easy to understand from the start: a short cycle, manageable structure and buds with the classic Critical perfume. It does not try to be strange or too exotic. Its strength is combining yield, ease and a very recognizable sweet-earthy profile.
The cross of Critical with Ruderalis gives it a clear base. From Critical, it inherits the productive character, dense buds and that fruity background with earth and skunk. From Ruderalis, it receives automatic flowering, resistance and speed, making these Critical Auto seeds a great fit for simple grows.
Indoors, it usually stays between 55 and 95 cm, although some phenotypes can stretch more. Outdoors, it can reach around 140 cm if it gets good light and has space to develop roots. Its high flower-to-leaf ratio makes for a clean and visually pleasing harvest.
How This Autoflower Performs in Cultivation
From our breeders’ experience, Critical Auto is easy, vigorous and rewarding. It is a good choice for beginners because it does not require complex techniques, responds well to basic care and completes its cycle from seed to harvest in 9-11 weeks, with many plants finishing around 65-70 days.
Indoors, it stands out for its practical size and for not taking up too much space, which is useful in compact grow tents. Outdoors, it performs well with good light and appreciates climates where it can complete its cycle without long waits. One clear tip: control watering at the start and do not soak the substrate; when it enters flowering strongly, it may need support stakes if the branches carry large, resinous buds.
Critical Auto Effects
The effect of Critical Auto is relaxing, pleasant and more physical than cerebral. It is linked to quiet afternoons, switching off and moments when you want to slow down without necessarily feeling locked to the sofa. It can bring body calm, a positive mood, sociability and some mental clarity.
A grower who cultivated it outdoors told us the effect felt comfortable and stable, ideal for the afternoon. He also highlighted that the flavor kept the classic Critical style: sweet, earthy and fruity, with a soft citrus background. It is like opening a box of ripe fruit over damp soil, with that skunk touch that appears when you break the bud apart.
Why Buy Critical Auto from Bulk Genetics
Buying Critical Auto seeds from Bulk Genetics makes sense if you want a fast, productive and no-fuss autoflower. Our breeders produce this genetics for growers who value reliable results, dense buds and a straightforward grow, both indoors and outdoors.
You also get competitive prices, 100% discreet shipping and free seeds with every order. We have been sending orders since 2016, with fast shipping, tracking and an experience designed so you receive your seeds with confidence and no noise.
Frequently Asked Questions
Is Critical Auto indica or sativa?
Critical Auto is an indica-dominant autoflowering strain. It combines Critical genetics with Ruderalis, so it keeps a physical and relaxing effect alongside a fast, automatic cycle.
Is it suitable for beginners?
Yes. Critical Auto is an easy, resistant and rewarding strain, suitable for beginners looking for a productive autoflower without too many technical complications.
When is Critical Auto harvested?
Critical Auto completes its cycle from seed to harvest in about 9-11 weeks. Many references place it around 65-70 days, always depending on growing conditions, light and the final size of the plant.
Listing reviewed by the Bulk Genetics team, specialised in the selection and distribution of seeds since 2016.
Last updated: 06/07/2026
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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