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Y Griega - Medical Seeds
  • Y Griega - Medical Seeds
  • Protective packaging of Medical Seeds, Y Griega format of 5 seeds.
Y Griega - Medical Seeds
Protective packaging of Medical Seeds, Y Griega format of 5 seeds.

Y Griega Feminized Seeds – Premium Sativa Genetics with Extreme THC Power

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Y Griega from Medical Seeds is a legendary, sativa-dominant powerhouse born from Amnesia Haze and Kali Mist. Renowned for its sky-high THC levels and award-winning resin production, it offers an energetic, cerebral high followed by profound relaxation. Perfect for experienced growers seeking a challenge and a spectacular harvest of dense, frosty buds.
 

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Y Griega feminized seeds by Medical Seeds represent the pinnacle of sativa breeding, a legendary cross between Amnesia Haze and Kali Mist engineered for extreme potency and impressive yields. This strain is your ticket to cultivating a true connoisseur's sativa, famous for its award-winning resin profile and a soaring, lucid high that defines the premium Haze experience.

You know the drill: you want that legendary, mind-expanding sativa high, but so many modern hybrids just don't deliver that pure, energetic clarity. You end up with something that's either too sleepy or just doesn't have that magical spark. It's frustrating to invest time and care into a grow only to be let down by a mediocre, forgettable buzz.

That's the classic sativa seeker's dilemma – chasing the dragon of that perfect, clear-headed euphoria. You might settle for a hybrid, but it never quite hits the spot, leaving you wondering where that legendary Haze energy went. It feels like the true, potent sativas are becoming a rare breed, lost in a sea of indica-heavy crosses.

Y Griega is the direct answer to that search. It's not a compromise; it's a return to form. Medical Seeds crafted this strain specifically to capture and amplify the most desirable traits of its legendary parents, resulting in a plant that tests off the charts for THC and produces the kind of resinous, aromatic buds that win cups. This is the sativa you've been looking for, bottled in seed form.

Why Y Griega is Actually Worth It for You

If you're after sheer power coupled with classic sativa elegance, Y Griega is a no-brainer. It offers an exceptional quality-to-price ratio for a strain of this caliber. The balance is key: it provides the challenging, rewarding grow that experienced cultivators love, paired with a final product that delivers an intense, functional, and deeply satisfying experience. It's worth it for the grower who wants a show-stopping plant and the consumer who demands a top-shelf, cerebral effect.

This strain is perfect for those who appreciate the journey as much as the destination. The long flowering period is a commitment, but the payoff is a harvest of truly exceptional cannabis. It's also ideal for medical users seeking high-THC varieties for specific applications, thanks to its potent and focused effects.

Most Important Features and Benefits

  • Legendary Genetics (Amnesia Haze x Kali Mist): You get a proven, elite genetic lineage that guarantees a classic, soaring sativa high and complex aromatic profile.
  • Extremely High THC Content: Experience one of the most potent strains available, tested to have among the highest THC levels in the Medical Seeds catalog for intense, long-lasting effects.
  • Massive Yield Potential: Harvest up to 500 g/m² (1.6 oz/ft²) indoors or 500-600 g (17.6-21.2 oz) per plant outdoors, making your growing effort highly rewarding.
  • Award-Winning Pedigree: Grow with confidence knowing this strain has won multiple awards for extraction and quality, a testament to its exceptional resin production and flavor.
  • Vigorous Sativa Growth: Enjoy a fast, explosive vegetative stage that gives you a robust plant structure capable of supporting huge, dense colas.
  • Classic Haze Aroma with Sweet Notes: Delight in the signature Haze smell combined with a sweet, tantalizing undertone that makes the smoking experience deeply aromatic and flavorful.
  • Energetic then Relaxing Effect: Achieve an initial burst of creative, cerebral energy that gradually melts into a state of calm, lucid relaxation, perfect for daytime or evening use.

Typical Objections and Clear Answers

Let's tackle the common hesitations head-on.

  • You think "Sativas are too lanky and hard to manage." In reality, while Y Griega shows strong sativa stretch, its growth is vigorous and predictable. Techniques like SCROG are highly recommended to control height and maximize light exposure, turning its vigor into an asset for canopy management.
  • You worry "The long flowering time isn't worth the wait." In reality, the 12-13.5 week flowering period is an investment that pays dividends in yield, potency, and flavor complexity you simply won't find in fast-finishing strains.
  • You're concerned "Such a high-THC strain might be too racy or anxious." In reality, the high begins with a clean, energetic lift but smoothly transitions into a relaxed, clear-headed state, avoiding the paranoia sometimes associated with pure sativas.

How to Grow Y Griega Safely and Effectively

To unlock Y Griega's full potential, follow a structured approach tailored to its sativa dominance.

  1. Start Strong: Germinate in a warm (22-25°C / 71-77°F), humid environment. For explosive root development, consider a root stimulant like RootFast by Atami.
  2. Manage the Veg Stretch: Provide an 18/6 light cycle. This plant exhibits vigorous growth, so topping or FIMing early can encourage branching. Use a well-aerated, nutrient-rich substrate to support rapid development.
  3. Navigate the Flowering Stretch: When you switch to 12/12, expect a significant height increase. Implement a SCROG net to create an even canopy and support the heavy, resinous buds that will form.
  4. Fuel Flowering Power: During the long 12-13.5 week bloom, maintain lower humidity (40-50%) to prevent mold. Support the bulking phase with a quality PK booster in weeks 5-8 of flower.
  5. Harvest for Peak Effect: Harvest when trichomes are mostly milky with some amber for a balanced energetic-relaxing effect. Flush thoroughly for 10-14 days before cutting.
  6. Dry and Cure with Care: Dry slowly at 16-20°C (60-68°F) and 50-60% RH for 10-14 days, then cure in jars for a minimum of 4 weeks to fully develop its complex Haze and sweet flavors.

Frequently Asked Questions

Is Y Griega suitable for beginner growers?

Due to its long flowering time, significant stretch, and specific nutrient needs, Y Griega is best suited for intermediate to advanced growers. Beginners might want to start with a more forgiving strain.

How tall does Y Griega get outdoors?

Outdoors, with ample space and sun, Y Griega can reach heights of up to 3.5 m (11.5 ft). Planning for vertical space is crucial for outdoor cultivation.

What's the best way to control the smell during flowering?

The aroma is pronounced, classic Haze with sweet notes. A high-quality carbon filter in your extraction system is non-negotiable for discreet indoor growing.

Can I grow Y Griega in a Sea of Green (SOG) setup?

While possible, its natural structure and vigor are better exploited with a SCROG (Screen of Green) to manage the canopy and support the heavy, long colas.

Personal Experience of Pevgrow’s CEO (Alan)

Y Griega has always held a special place in my personal grows. The first thing that hits you is the vigor – this plant wants to grow, and fast. I've found it responds incredibly well to topping early and then using a SCROG net; it really tames that sativa stretch and turns it into a flat, even canopy of bud sites. The long flowering period requires patience, but watching those buds swell and absolutely cake themselves in resin is worth every extra day.

My tip? Don't shy away from its nutrient appetite during the stretch and early flower, but be ready to dial it back and focus on PK in the second half of bloom. The smoke? It's a classic. That initial cerebral zing is perfect for creative work or a sunny day adventure, and it never leaves me feeling anxious. It just smoothly winds down into a really pleasant, relaxed clarity. For the grower who doesn't mind the wait and wants a true, high-octane sativa experience, Y Griega is a masterpiece.

Technical Specifications

  • Breeder / Brand: Medical Seeds
  • Type: Feminized Photoperiod
  • Dominance: 80% Sativa / 20% Indica
  • Genetics: Amnesia Haze x Kali Mist
  • Indoor Flowering Time: 12 - 13.5 weeks
  • Indoor Yield: Approx. 500 g/m² (1.6 oz/ft²)
  • Outdoor Harvest (Northern Hemisphere): Early November
  • Outdoor Yield: 500 - 600 g/plant (17.6 - 21.2 oz/plant)
  • Outdoor Height: Up to 3.5 m (11.5 ft)
  • Difficulty: Medium-High (due to long flowering and stretch management)
  • Recommended Training: SCROG, Topping, LST (excellent for canopy control)
  • Aromatic Profile: Classic Haze, Sweet, Earthy, Citrus
  • Effect: Intensely energetic and cerebral, followed by clear-headed relaxation.
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Type: Type Feminized
Banks: Banks Medical Seeds
Genetics: Genetics Amnesia X Kali Mist
Haze
Phenotype: Phenotype 80% Sativa 20% Indica
Harvest outdoor H.N: Harvest outdoor H.N Early November
Harvest outdoor H.S: Harvest outdoor H.S Early May
Indoor production: Indoor production 500 gr/m2
Outdoor production: Outdoor production 550 gr./plant
Indoor height: Indoor height 3.28-5.25 ft.
Outdoor height: Outdoor height 9.8-11.5 ft.
Indoor flowering period: Indoor flowering period 80-90 days
Features: Features Cannabis Cup
High THC
Effects: Effects Medicinal
Relaxing
Sleep all night
THC: THC 27,12%
CBD: CBD Low
Flavor and aroma: Flavor and aroma Spicy
Symptoms: Symptoms Insomnia

Customer questions Y Griega

Grade 
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Chris
03/02/2018

Can you send to Canada?

Answer:
Hi Chris, We did send them to Canada. Regards
Grade 
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ainhoa
04/17/2016

no tengo banda que decir


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Comments|Questions Y Griega: 10 - Average Rating: 5/5

Customer reviews Y Griega

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Jérôme D - Verified buyer
06/24/2022 Ravine Des Cabris, La Réunion

Conforme à la commande, pas encore mis en terre mais g hate. Bon packaging.

Grade 
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maille d - Verified buyer
01/13/2021 Capendu, France

De très belles graines et germes bien

Grade 
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DIEGO C - Verified buyer
12/01/2020 Saltillo, México
DUDA CULTIVO

BUEN DIA TENGO UN INVERNADERO, LAS TEMPERATURAS EXTERIORES SON DE 0¨°, PODRE SEMBRAR EN INVERNADERO SI TENGO TEMPERATURAS M,INIMAS DENTRO DE EL DE 7° EN ESTE INVIERNO?

Answer:
Hola diego el rendimiento a esas temperaturas no sera alto un saludo
Grade 
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Shane L - Verified buyer
03/12/2020 Union City, United States

I would say be careful this is highly potent I will always keep this in my green room as my personal stock I love it.

Grade 
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STERGIOS K - Verified buyer
02/13/2017 N.imathias, Greece
good

Awesome, they'll go great size wise with the others! thank you no problem at all! Ill be making another order fairlynsoon and more next time And I am definitely recommending your company to everybody that I know that uses seed around my area! Once again thank you very very much I really couldn't be more happy!

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Alex L - Verified buyer
01/14/2017 Kymenlaakso, Finland

That ´new´ variety is up to the task :)

Grade 
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Richard Maier W - Verified buyer
01/01/2017 Québec, Canada

The THC percentage that this kind produces is really generous, not as much as it can produce ...but It deserves the highest score.

Grade 
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ainhoa s - Verified buyer
04/16/2016 Huesca, España
ainhoa - Y Griega

no tengo banda que decir

  • Is the shipping discreet?

    Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.

  • Do you ship worldwide?

    Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.

    UK: 3-4 days (express)
    USA: 4-5 days (express)
    Australia: 4-5 days (express)
    Japan: 4-5 days (express)
    Canada: 4-5 days (express)
    South Africa: 4-5 days (express)
    New Zealand: 5-7 days (express)
    View all

    The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.

    We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.

    Due to problems with customs you can check here for restrictions to certain countries.

  • What payment methods and currencies do you accept?

    We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).

    You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.

  • How long does it take to ship my order?

    In 24/48 hours we will ship your order.

  • Are the seeds guaranteed to germinate?

    If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.

    If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.

    Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.

  • What if I receive a bad or damaged product?

    If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!

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