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BCN Critical XXL© Feminized Cannabis Seeds
Kritikal Bilbo X Critical Mas
Grow type: Indoor/Outdoor
Dominant: Hybrid
Yield: Massive
THC: High (20 - 26%)
Flavor: Citrus
Spicy
Effect: Happy Chill
Flower period: 8 weeks
Experience: Beginner
BCN Critical XXL© Feminized seeds
Launched in 2017 as one of the first two cannabis seeds in the Seedstockers catalogue, BCN Critical XXL© Feminized has become the backbone of our Critical collection. She's known for her XXL harvests, explosive flowering and how easy she is to grow, and she's one of the most widely grown Criticals in Spain's cannabis social clubs. Whether it's your very first grow or you run a professional grow room, BCN Critical XXL© always delivers.
Details of BCN Critical XXL© Feminized Cannabis Seeds
- A Seedstockers classic!
- Award-winning genetics!
- Strong, robust genetics
BCN Critical XXL© Feminized genetics: Kritikal Bilbo × Critical Mass
Kritikal Bilbo X Critical Mass → BCN Critical XXL© Feminized
Every iconic strain starts with the right genetics. BCN Critical XXL© isn't a random cross: she's the result of serious breeding work in Barcelona, where the Seedstockers team selected and refined the best cuttings of two legends:
- Kritikal Bilbo: a Basque Country legend that brings that unmistakable sweet, citrusy aroma along with lightning-fast flowering. Intense, fruity and incredibly resinous, even before flowering is over.
- Critical Mass: also known as "Critical+", she descends from Afghan x Skunk and contributes the dense structure, chunky buds and classic indica touch that take BCN Critical XXL© to another level.
Together they create a Critical that's bigger, stronger and more stable than almost any other. This isn't an old-school Critical, it's the modern version, and she delivers time after time.
Her quality has also been proven in competition: 3rd place in the Highest THC category at the High THC Cup 2022 (Thailand) and 1st place in the Hash category at the Hash Sommelier Test 2024 (Bangkok). Discover all our cup-winning cannabis strains.
Besides the feminized version, BCN Critical XXL© also comes as a Fast Version and an Autoflower, and she's part of our Critical seed family.
BCN Critical XXL© aroma and flavour: lemon, skunk and spice
AROMA
From mid-flowering onwards she releases a citrus punch that smells like lemon zest mixed with earthy skunk and a spicy touch. By week 5 or 6, your tent will already be filled with a sweet and sour citrus scent over a slightly musky background. Some phenotypes lean towards sour lemon and others are sweeter or fruitier, but all of them are highly aromatic.
FLAVOUR
After harvest and curing, the flavour becomes even smoother: lemon, lime and a hint of herbal spice, almost like a lemon sorbet with a kush background. A clean, citrusy smoke with that final skunky touch that gives her personality, whether in a joint or a vaporizer.
Her terpenes are behind this profile: limonene, dominant in most phenotypes, brings the citrus bomb; myrcene adds the earthy, musky base; pinene the fresh herbal note; and caryophyllene that spicy touch beneath the citrus.
BCN Critical XXL© effects and THC: powerful and balanced
BCN Critical XXL© hits hard, in the best possible way. With high THC (20-26%), the effect comes on fast: the first few hits bring a clear, positive feeling that lifts your mood, music sounds better and you feel like chatting. You're high, but still in control. A few minutes later the body effect kicks in: your shoulders relax and the sofa becomes the best place in the world, without leaving you totally couch-locked. A long-lasting effect with no strange comedown, ideal for sessions with friends or for unwinding at the end of the day.
| You may also like | |
|---|---|
| BCN Critical XXL© AutoflowerThe same genetics, in autoflower form | Discover BCN Critical XXL Autoflower |
| BCN Critical XXL© Fast VersionA faster harvest, the same great genetics | Discover BCN Critical XXL Fast Version |
| Critical seedsThe whole Seedstockers Critical family | Discover Critical seeds |
| Feminized seedsAll our feminized strains | Discover feminized seeds |
BCN Critical XXL© Feminized FAQ
How long does BCN Critical XXL© Feminized take to flower?
Indoors she's usually ready in exactly 8 weeks, normally between 53 and 56 days, and sometimes even sooner depending on the phenotype. Outdoors she's harvested between late September and early October (northern hemisphere), depending on the climate.
Is she more indica or sativa?
She's a classic hybrid with a balanced effect. Her structure leans towards indica: short internodes, thick stems and very compact buds. She stays fairly compact, yet produces huge colas.
How much can I harvest per plant?
Indoors, with good lighting and some training, you can expect 500 to 600 grams per square metre. Outdoors, with plenty of sun and large pots, several hundred grams per plant are easily within reach. She's one of our high-yielding cannabis strains.
How to grow BCN Critical XXL© Feminized indoors and outdoors
BCN Critical XXL© is one of those strains that makes a grower's life easy, which is why she has so many fans among home growers and cannabis clubs. When growing indoors she stays compact, with thick branches and short internodes, and doesn't stretch too much after the switch to flowering: ideal for a small tent or a limited space. Keep temperature and humidity stable, give her some ventilation and she'll reward you with fat, sticky colas full of resin.
When growing outdoors she shines too. Plant her early, give her space and sun, and she'll turn into a productive, sturdy bush that handles changes in the weather well. She doesn't ask for much: good soil, a little fertiliser or mild compost, and you're set.
Tips to get the most out of her:
- Topping: do it in the third or fourth week of growth to slow vertical growth and get more main colas.
- LST: gently bend the branches outwards and tie them down to let more light in and improve airflow.
- ScrOG: she fills a screen perfectly. Extend the vegetative phase a little so she has time to spread out.
- Odour: indoors, a good carbon filter is practically a must.
- Outdoors: don't let her get too soaked at the end of flowering.
Is she the right choice for you?
✅ YES, if you're looking for...
- An easy, stable Critical that forgives mistakes
- XXL harvests in around 8 weeks of flowering
- An intense lemon, skunk and spice aroma
- A powerful, balanced effect, both uplifting and relaxing
- A strain that performs both indoors and outdoors
❌ NO, if...
- You can't control odours during flowering
- You'd rather grow an autoflower: in that case, try BCN Critical XXL© Autoflower
- You want an even faster harvest: try BCN Critical XXL© Fast Version
- You're after low THC: take a look at CBD Critical XXL© Feminized
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Reviews
DID YOU ENJOY YOUR EXPERIENCE WITH THIS VARIETY? LET US KNOW
What other growers say about BCN Critical XXL© Feminized Cannabis Seeds ...
Strong smoke for a fair price. 9 out of 10 seeds sprouted and were evenly sized, so it seems like a well-bred strain. No complaints here – this stuff is strong.
A pleasant grow, no problems except for some temperature issues in July. Tasted like the old Critical and gave a long-lasting high with a strong case of the munchies. 9/10
My first was in a 5 gallon pot, it didn't grow that large (cold weather a bit) but the buds look massive, exactly like in your pictures in the advertisement and leaflet. The smell is like lime when it starts to lose its fresh scent when you cut it. I found it unbelieveble how it didn't smell skunky or weedy with such large amount of trichomes.
Nice
Die Pflanze war einfach zu handeln, ist schnell gewachsen und hat richtig fette Buds produziert. Der Geruch war zitronig und würzig. Das High ist stark, aber klar – perfekt zum Chillen mit Freunden.
Danke dir für das Feedback mein bester und genauso weitermachen!
Absolute beast of a strain she produces long large dense tightly packed colas and she does it quickly flowering at the start can be rather intimidating for new growers but dont worry you will soon be smiling very strong strain.
Great genetics excellent germination rate Beautiful lady's not yet ready for harvest but already so beautiful
a seriously hardy plant, survives heat and cold, stress, transplants etc., in my opinion it does even better outdoors but gives hugely satisfying results indoors
Mainlining, LST and overnight frosts outdoors. After the first month it can really withstand just about anything; it even had an aphid infestation that was promptly dealt with. The flavor wasn't exceptional (I picked up a tart, almost citrusy aftertaste), but the effect left me pleasantly dazed and able to chat happily for the next 4 hours. A plant that rewards you with long, dense buds if fed properly. Definitely suitable for beginners and anyone wanting to test new training methods
growed it outdoors and the plants were amazing. so beautyful rich sticky buds and the colouring through the colder nights was just wonderful. they reached about 2,50m with a massive yield. fantastic citrus flavors even if you meters away. and thats also the flavor of the cured weed followed by a smooth high. great! the only thing was that they were not really mold resistant because of the big fat buds. so what this company did? bringing out a fast version of it :) can´t wait to grow the next outdoor season. very good job @seedstockers thank you very much
super!
Absolute beast of a strain she produces long large dense tightly packed colas and she does it quickly flowering at the start can be rather intimidating for new growers but dont worry you will soon be smiling very strong strain.
Great taste. Helps me with my back pain.
The smell makes you want to smoke more. very worth the money
Amazing seeds here
I had some weed that I grew with these seeds while camping and it was a super chill time :D
This strain makes me chatty, so it's nice to smoke it with my partner.
blown away with the colas they produced 15 inch long rock hard colas the best part was watching in awe how explosive flowering is after 2 weeks in flower buds become colas quickly :D ive just seen the purple punch has been added very excited to get some
A very easy plant to grow, with an insane smell.. It's like candy! I'll definitely try it again
My order arrived quickly, they grow pretty good. Can't wait for the yield.
To be honest pretty damn good compared to other strains from Here tried most amnesia is another good one crystaled up nicely
