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CBD Critical Mass Feminized Cannabis Seeds

$65.00

5 Seeds Per Pack

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A mostly indica strain from the QCS team with 5% THC and 5% CBD, ready in about 8 weeks. Original QCS genetics, bred by Quebec Cannabis Seeds in Quebec, Canada. See the grow diaries on GrowDiaries.

Indoor flowering time8 weeks
Outdoor harvest timeLate September to early October

Strain at a Glance

A mostly indica strain from the QCS team with 5% THC and 5% CBD, ready in about 8 weeks. Original QCS genetics, bred by Quebec Cannabis Seeds in Quebec, Canada. See the grow diaries on GrowDiaries.

Genetic Balance

Mostly indica

Key Information

  • THC5%
  • CBD5%
  • GeneticsCritical Mass, high-CBD selection
  • TasteEarthy • Floral
  • Indoor flowering time8 weeks
  • Outdoor harvest timeLate September to early October

Specifications

StrainCBD Critical Mass
Seed typeFeminized
GeneticsCritical Mass, high-CBD selection
Genetic balanceMostly indica
THC5%
CBD5%
TasteEarthy, Floral
Indoor flowering time8 weeks
Outdoor harvest timeLate September to early October
YieldUp to 500 g/m² indoors, up to 650 g per plant outdoors
Pack size5 Seeds Per Pack

These figures are ranges, not promises. Flowering time, harvest date and yield vary depending on growing conditions: the grower, the method and the season's weather. "Mold resistant" means mold tolerant: less prone to mold and slower to be affected. No strain is 100% mold resistant. How we set these numbers →

Taste & Aroma Profile

Earthy
Earthy
Floral
Floral

Earthy, with sweet and floral notes.

About CBD Critical Mass

Genetics & strain profile

CBD Critical Mass is bred by Quebec Cannabis Seeds from Critical Mass genetics selected for high CBD. It is a mostly indica strain with an equal 5% THC and 5% CBD, and it suits both beginners and experienced growers.

How CBD Critical Mass grows

The plant stays compact. Indoors it flowers in just 8 weeks, with up to 500 g/m². A steady temperature and humidity help prevent mould.

Outdoors it typically finishes in late September to early October, with up to 650 g per plant, depending on growing conditions.

Taste and effect

Earthy, with sweet and floral notes. The effect is gentle: a calm body with a clear head.

Choose your pack5 Seeds Per Pack. Set the quantity above to see the price and availability.

Frequently Asked Questions

How long does CBD Critical Mass take to flower?

About 8 weeks indoors. Outdoors it is typically ready in late September to early October.

How much does CBD Critical Mass yield?

Up to 500 g/m² indoors, and up to 650 g per plant outdoors.

How much THC and CBD does CBD Critical Mass have?

About 5% THC and 5% CBD.

Is CBD Critical Mass easy to grow?

Yes. It suits both beginners and experienced growers.

What are the parents of CBD Critical Mass?

It comes from Critical Mass genetics selected for high CBD.

Where can I buy CBD Critical Mass seeds in Canada?

Right here at Quebec Cannabis Seeds. Orders ship from Quebec within 24 hours on business days, in plain packaging, across Canada and to the USA, with a germination guarantee.

Order with confidence

  • Germination guarantee. If fewer than 80% of your seeds germinate, we send replacement seeds.
  • Delivery guarantee. We guarantee delivery of your order.
  • Discreet packaging. Plain, unbranded packaging with no logos and no mention of the contents. No signature is required.
  • Shipped from Quebec within 24 hours. Orders usually ship the same day or within 24 hours of payment, Monday to Friday. Canada: 3 to 7 days, or 2 to 3 days by Express. USA: 1 to 2 business days by Express. Free shipping on orders over $200.
  • Your privacy. We do not sell or share your information with third parties.
  • Free seeds with every order, and real people to help: 514-805-2741, Monday to Friday, 11 AM to 6 PM EST.

Details: Shipping · Return policy · FAQs · Privacy policy

  • Availability: In Stock
  • Model: Q.C.S.
  • Manufacturer: QCS Originals — bred by Quebec Cannabis Seeds
Fab | 5/5
19/10/2020

Excellent rendement et une bonne odeur.
J'ai eu un premier phéno qui pousse vraiment en largeur et pas haut mais il fait des branches en malade avec du lst.
C'est une sorte qui demande un peu d'expérience pour la faire pousser, car je l'ai trouvée un peu plus sensible que d'autres sortes.
Vraiment satisfait du résultat!
gemma | 2/5
11/08/2020

POUR MA PART LES PLANTS SONT MÂLES ET AUCUN SUIVI QUAND TU ENVOIE UN MESSAGE
Reply from QCS Seeds22/10/2026
Désolé que cette culture n'ait pas donné le résultat espéré. Chaque paquet est couvert par notre garantie : la livraison est garantie, la germination est garantie à 80 %, et si vos graines n'ont pas levé ou si le mauvais paquet est arrivé, nous réexpédions un remplacement — sans discussion, il suffit de nous contacter. Nos guides de germination et de culture couvrent les causes les plus fréquentes d'une culture décevante : http://test.quebeccannabisseeds.com/conseils-essentiels-pour-la-germination-des-graines
— QCS Seeds
Patrick McMullen | 5/5
06/07/2020

Merci QCS d'avoir ajouté ces échantillons, vous allez nous avoir comme client pour très longtemps et je vous recommande très fortement.

Elles ont superbement germé en 2 jours, vos bébés vont avoir une belle vie aux petits oignons avant de terminé en fumée ou en huile :)

Nous avons bien hâte de l'essayer!
Carlos | 5/5
01/12/2019

ma 2e variété préféré. étonnant . et excellent
Neil | 5/5
24/11/2019

Great plant, biggest one I've grown so far, 5'. Late flowering stage right now.
Great smell, looking forward to the final product.
Critical Mass the best one I've found for Pain and Insomnia.
Mister_Buzz | 5/5
17/02/2018

Super variété. Facile à cultiver, excellent pour le sommeil.
Stephen D | 5/5
15/02/2018

Easy to grow, good smell, good for pain

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