Autoflower Seeds | CBD Seeds

Critical Mass Autoflower cbd

Lineage: Critical Mass × CBD Ruderalis

CBD Critical Mass Autoflower brings a heavy-yielding indica classic into a fast, self-flowering, CBD-forward package. It’s a strain that delivers real calm and clarity without the heavy psychoactive edge of a typical high-THC strain.

(5 customer reviews)

$16.00

1 x 5 PACK = $16.00 per seed

2 x 5 PACK = $14.00 per seed

SAVE $2.00 PER SEED

3 x 5 PACK = $12.50 per seed

SAVE $3.50 PER SEED

4 x 5 PACK = $11.00 per seed

SAVE $5.00 PER SEED

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This is a 5 seed pack

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SKU: CRM-AUT-3H Categories: ,

STRAIN PROFILE

  • Phenotype: 80% Indica | 20% Sativa
  • Flowering Time: 8-10 Weeks
  • THC: Up to 8%
  • CBD %: 15%
  • Difficulty:Easy
  • Effects:Calming | Creative | Focused | Hungry | Relaxed
  • Taste/Aroma:Citrus | Earthy | Herbal | Honey | Sweet
  • Helps With:Anxiety | Arthritis | Depression | Insomnia | Migranes
  • G/M2 Yields:Around 300–600 g/m² indoors

What Is Critical Mass Autoflower CBD?

CBD Critical Mass Autoflower takes a heavy-yielding indica classic and gives it a fast, self-flowering timeline centred on a genuinely balanced cannabinoid profile. The cross combines Critical Mass with a dedicated high-CBD ruderalis line. That CBD parent lifts cannabidiol content while keeping THC deliberately low. The plant moves from seed to harvest on its own clock, with no light-cycle switch required.

Several seed banks sell a version of this cross, each using its own proprietary CBD-rich line to shape the final ratio. So growers get that familiar Critical Mass structure alongside a genuinely mild, functional effect rather than a heavy high.

What makes this version stand out is how it reframes a classic heavy-yielding strain for people after clarity rather than intensity. As a result, it’s become a popular option for growers curious about CBD-forward genetics without giving up Critical Mass’s reputation for size and structure.

Origins & Genetics of Critical Mass

CBD Critical Mass Autoflower generally comes from a Critical Mass and CBD-rich ruderalis cross. Mr. Nice Seedbank’s founders originally bred the base Critical Mass line as a reworked version of Big Bud. Its heritage sits on unusually solid ground compared with many other strains in this catalog. One source instead names a specific proprietary CBD partner line. Treat the exact stabilising genetics as varying a little between seed banks.

Most sources also agree on an indica-leaning phenotype, generally putting the split around 80% indica to 20% sativa. Cannabinoid figures vary more by source, though. THC generally lands between 3% and 8%. CBD ranges more widely, from around 5% up to a notably higher 15% reported by one source. Treat that higher CBD figure as an outlier rather than a typical result.

This cross has earned a solid reputation across several seed banks for keeping Critical Mass’s classic heavy structure while dialling back the intensity. So its core, functional effect stays fairly consistent, even where exact cannabinoid and yield figures vary a little by source.

Critical Mass Effects, Aroma & Flavour

Users commonly describe a calm, clear-headed effect with mild mental focus that eases into gentle body relaxation. That combination makes it a genuine option for people after functional relief rather than a strong recreational high.

Meanwhile, the aroma leans earthy and honey-sweet, with citrus and lemon notes alongside woody, skunky undertones.

Myrcene, caryophyllene and linalool lead the terpene profile in most reports. Our guide to maximising terpenes is a useful companion read if you want to preserve that honey-sweet, citrus character through curing.

Growing Critical Mass Seeds

This strain rates as easy to grow for most. One source instead recommends it for growers with a little prior experience. Since it finishes on its own clock, there’s no light-cycle switch to manage at any stage.

Indoors, its sturdy, heavy-branching structure suits a Sea of Green setup well. It’s also worth planning for some extra bud support as flowers fill out. Our guide to growing cannabis indoors in Australia covers the setup basics if you’re planning an indoor run.

Outdoors, this strain handles a range of climates comfortably, and its resilient build gives it an edge in less-than-ideal conditions too. Our Australian cannabis grow calendar is a useful companion read for timing an outdoor planting correctly.

Critical Mass Flowering Time & Yield

CBD Critical Mass Autoflower typically finishes its full cycle in 8 to 10 weeks from seed. Indoors, expect yields of around 300 to 600 g/m² under good conditions, though exact figures vary notably by source.

Outdoors, reports also vary widely, with some sources reporting several hundred grams per plant and others reporting considerably more. Treat that spread as reflecting real variation in growing conditions rather than a single typical result.

Treat those numbers as a solid planning benchmark rather than a guaranteed outcome. Because this strain finishes so quickly, it also suits growers after more than one harvest per season. Our guide to spotting quality weed is a useful companion read once harvest day arrives.

Who Critical Mass Seeds Suit Best

This strain suits growers chasing genuine Critical Mass structure without a strong psychoactive effect. It also suits users after functional, everyday relief rather than a heavy recreational high. Specifically, growers new to CBD-forward genetics will appreciate how quickly it finishes.

On the other hand, it’s a less natural fit for anyone chasing a strong, high-THC indica experience. If you’d prefer the photoperiod version instead, with a longer veg and a potentially bigger yield, Critical Mass Feminised is worth a look. For anyone after a fast, mellow grow with genuine Critical Mass character, though, CBD Critical Mass Autoflower is hard to beat.

5 reviews for Critical Mass Autoflower cbd

4.6
Based on 5 reviews
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1-5 of 5 reviews
  1. Just put in the ground.

  2. Excellent service

  3. Verified reviewVerified review - view originalExternal link

    Popped quick

  4. Verified reviewVerified review - view originalExternal link

    Arrived quickly. Good communication. Very discreet. Haven’t planted so don’t know about germination.

  5. I had difficulty with germinating these but got terrific help from customer support. Still waiting to test the product

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