Autoflowering Seeds

Blue Critical Autoflowering


An off-the-charts aromatic intensity

Dinafem Seeds had a very clear objective in mind when the breeding process aimed at creating Blue Critical Autoflowering was initiated. We wanted to create a real treat for the senses, a cannabis seed that would meet the expectations of those who wish to make their experience with cannabis go one step further. Read more >
  • Dominance: Indica

  • THC: High

    CBD: Low

  • Outdoors:

    • 50-170 g/plant

    • 0.75-1.5 m

    • Early April / Late October

  • Indoors:

    • 450-500 g/m2

    • 70-80 days

  • Critical + Auto
  • x
  • Blueberry Auto

Perfect for: Indica-lovers looking for an intense and fruity scent as well as for novice cannabis growers

The result of such intensive search is a top-notch autoflowering hybrid that boasts the genetic lineage of two exceptional marijuana strains: Critical + Autoflowering and Blueberry Autoflowering.


Blue Critical Autoflowering cannabis seeds become elegant and vigorous mid-sized marijuana plants with fast-flowering and easy-to-grow properties that deliver large and thick resin-packed buds. This cannabis jewel is known for her alluring perfume and her amazing colouring; a natural beauty that acquires beautiful purple/violet hues when the temperature drops by 10ºC at night.


Blue Critical Autoflowering is perfect for those who want to fill their pantries with a top-quality product in a remarkably short time. Autoflowering velocity, heavy yield and, above all, quality crops: thick and stinky resin-packed buds that are a clear rebuttal to the autoflowering sceptics. A product aimed at satisfying the most refined palates.

Aromas and flavours

Blue Critical Autoflowering cannabis plants are noted for their deep and fruity taste and scent accompanied by hints of lemon, berries and pine. A piercing fragrance that is now the flagship of this outstanding genetics.


Thanks to her Indica dominance, the high this hybrid delivers is more physically relaxing than cerebral, very potent and long-lasting. The perfect strain for unwinding after a long day that, in combination with a dim light and a massage with almond oils, can turn your evening into a unique sensory experience.


Blue Critical Autoflowering is a cannabis plant that thrives both indoors and outdoors. She's not the most discreet plant of our catalogue, though, so be careful with her intense aroma because this little stinky plant is capable of filling your neighbour's courtyard with her super-intense scent if you don’t take action. That’s why we recommend growing outdoors in remote areas or setting up a good-quality anti-odour system if you finally decide to do so indoors.

This cannabis hybrid is perfect for rookies who want to make sure they get excellent crops in terms of quality and quality because Blue Critical Autoflowering does offer great results in exchange for very little effort. The levels of humidity shouldn't be overlooked, however, especially during the last weeks of the flowering, which is when her dense and thick buds risk being hit by mould and fungi.

As one could expect from an Indica genotype, Blue Critical Autoflowering doesn’t require much fertilizing. So try not to overfeed the plant by always sticking to the manufacturer’s recommendations. Sometimes… Less is more!

Adding 30 % of coco coir to the substrate is advisable in order to make sure it is well aerated and the plant can show her full potential. We also suggest watering frequently but sparsely. This delicatessen deserves our making an effort to ensure the quality of the end product is just perfect. So we recommend carrying out a 2-month curing process after the drying phase. It’ll be worth it!

Characteristics of
Blue Critical Autoflowering cannabis seeds

CrossCritical + Auto x Blueberry Auto
Comprehensive life cycle70-80 days
Indoor yield450-500 g/m2
Outdoor harvest timeEarly April / Late October
Outdoor yield50-170 g/plant
Outdoor height0.75-1.5 m

*Cannabinoid content (THC, CBD…) may vary depending on external factors such as the growth medium, the grower’s experience, the growing technique (SOG, SCROG…), the environmental conditions and genetic variation.

What do our customers think?

27 customer reviews
4.85 out of 5 (based on 27 ratings)

All reviews about Blue Critical Autoflowering:

  1. Killer Blue

    CheckmarkA "verified" checkmark Verified purchase
    5 out of 5
    Growing was easy and flawless, Did some LST but not enough. Stayed a bit small and bushy but that might be cuz of the blue genes. If you're fast you might be able to tweak it to an even canopy - which I'll def try next time. Oh and that taste gets me every time. Berries and flowers. Tastiest strain I've grown so far.
  2. Mr

    5 out of 5
    An amazing grow, the smell did have me slightly nervous with my neighbours but the end result was well worth the worry. I would recommend this as an indoor grow with a new filter on your system or an outdoor grow if your neighbours are not downwind! An excellent high with a very moreish taste :)
  3. Beautiful Plant

    CheckmarkA "verified" checkmark Verified purchase
    5 out of 5
    I had a fan fall on this plant and RIP it I half are 3rd week of flower. That hasn't stopped it though- looks good and healthy and eats up fertilizer well. I'm on say 85 from seed and will still push it another week or two. Great genetics. This is my 2rd grow and this plant has put up with all my rookie mistakes.
  4. First timer with autoflowering strains

    3 out of 5
    Three stars for today, I'll update again shortly. I was SO anxious for this strain, as I LOVE colorful, aromatic strains. This is my first indoor grow, and my first try at autoflowering plants. I'm an experienced outdoor grower, and used to my plants growing to 10 or 14 feet in hieght. I understand about autoflowering plants, but these seem ... weird. I'm just coming up on 4 weeks, and the plants are very robust with lots of veg, but they are super wide, and only about 8 inches tall, so it's near impossible to do any LST yet. It's probably just me, and my inexperience with auto flowering strains... I almost feel as though I ought to be trimming some of the big fan leaves, but I guess I'll give it another week or so.
  5. First time grower

    CheckmarkA "verified" checkmark Verified purchase
    5 out of 5
    beans popped within 2-3 days very fast. Started them in cup with organic black earth, then when re-potted used Pro-mix organic which is much better. plants are now growing VERY fast under my 1kw LED grow light (chinley 1000w from amazon). planning of replanting them outside if summer ever comes around(very wet so far). I'm growing 2 Sour diesel and 2 blue critical, both from Dinafem. 1 of each strain is already stinking up my grow room, 2 others arent smelling at all, different phenotypes I guess. Excited for these ladies to keep grawing VERY fast. :)
  6. Mr

    CheckmarkA "verified" checkmark Verified purchase
    5 out of 5
    First grow completed and what a proud moment super fruity smell from these beautiful seeds few rookie mistakes along the way but still turned out perfect
  7. I give this strain 4 stars

    4 out of 5
    I would give this amazing strain higher rating but I am not done flower and cure process to know if it's 5 star worthy love dinafem I am from Canada we love you guys.... Sincerely biggz Oh Canada Baby!!!!;)
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