Critical Purple Seeds
Critical Yields, Purple Kush Potency, One Legendary Cross
Critical Purple seeds deliver a hard-hitting indica built from two of cannabis's most productive lineages: Critical and Purple Kush. The result is a strain that hits 15-19% THC with indoor yields pushing 400-500g/m², making it one of the more output-efficient indicas available at this potency tier. If you want dense, resinous harvests without chasing the extreme 25%+ THC range, Critical Purple sits in a practical sweet spot that experienced growers return to repeatedly.
Available as both feminized and autoflower seeds, Critical Purple suits growers who want flexibility in their setup without sacrificing the genetic integrity of the Critical x Purple Kush cross. The 0.1-0.5% CBD content is low but measurable, which matters if you are sourcing seeds for medical use and need certified CBD documentation from your supplier.
Critical Purple Feminized vs. Autoflower Seeds
| Seed Type | Flowering Time | Yield | Best For |
|---|---|---|---|
| Feminized | 8-9 weeks (photoperiod) | 400-500g/m² indoor / 500-600g/plant outdoor | Growers running controlled light cycles who want maximum yield per plant |
| Autoflower | 8-10 weeks from seed | 300-400g/m² indoor | Growers running multiple harvests per year or working with limited light control |
Feminized Critical Purple is the stronger choice if yield is your primary metric. The 500-600g/plant outdoor figure is where this strain genuinely stands out against comparable indicas, and you only get that number with the photoperiod version. The 8-9 week flowering window is on the shorter end for a photoperiod indica, which means feminized Critical Purple is not a slow-burn commitment.
The autoflower version trades some of that ceiling yield for a seed-to-harvest timeline of 8-10 weeks total, with no light schedule management required. Crop King Seeds is currently the only seedbank carrying Critical Purple in autoflower format, so your sourcing options are narrower if you go that route. For growers who run perpetual harvests or outdoor grows in short-season climates, the auto version fills a real gap in the lineup.
Where to Buy Critical Purple Seeds
Compare prices from verified seedbanks
| Seedbank | Score | Seed Types | Price | |
|---|---|---|---|---|
| Seed City | Feminized | From $7.75/seed | View at Seed City → | |
| Seedsman | Feminized | From $11.65/seed | View at Seedsman → | |
| Crop King Seeds | 7.2/10 | Autoflower | From $13.00/seed | View at Crop King Seeds → |
| Herbies Seeds | Feminized | From ~$22.45/seed | View at Herbies Seeds → |
Links go directly to seedbank product pages.
Critical Purple Seeds: Quick Specs
| Strain Type | Indica |
| Lineage | Critical x Purple Kush |
| THC Content | 15-19% |
| CBD Content | 0.1-0.5% |
| Flowering Time | 8-9 weeks |
| Indoor Yield | 400-500g/m² |
| Outdoor Yield | 500-600g/plant |
| Growing Difficulty | Moderate |
| Available Seed Types | Feminized, Autoflower |
Critical Purple Seeds: Frequently Asked Questions
What's the difference between Critical Purple Feminized and Autoflower seeds?
The feminized version of Critical Purple is a photoperiod plant that flowers in 8-9 weeks once you trigger the light cycle, producing up to 500-600g/plant outdoors. The autoflower version completes its full cycle in 8-10 weeks from seed regardless of light schedule, with indoor yields typically in the 300-400g/m² range. If maximizing yield from the Critical x Purple Kush genetics is your goal, feminized seeds deliver more per plant. If you need a faster, light-schedule-free option, the autoflower from Crop King Seeds is the only format available for that version of Critical Purple.
What THC level can I expect from Critical Purple seeds?
Critical Purple seeds test at 15-19% THC, which places them solidly in the moderate-high range for an indica. This is lower than strains like Critical Kush (which regularly exceeds 20%), but the trade-off is a more accessible potency profile that pairs with the higher yield output. The 15-19% range means you are unlikely to see lab results below 15% from quality-sourced seeds, but hitting the 19% ceiling depends on genetic expression and growing conditions. Buying from a seedbank that sources directly from the original breeder of this Critical x Purple Kush cross gives you the best chance of consistent THC expression across your crop.
Is Critical Purple a good strain for beginner growers?
Critical Purple is rated moderate difficulty, which means it is manageable but not the most forgiving option for a first grow. The 8-9 week flowering time is short enough to limit your exposure window to problems, and the Critical lineage brings some structural resilience to the plant. That said, beginner growers who want a truly low-maintenance entry point would be better served by a strain rated easy difficulty. If you are committed to Critical Purple specifically, the autoflower version from Crop King Seeds removes the light cycle variable, which is one of the more common beginner mistakes with photoperiod indicas.
Where can I buy Critical Purple seeds online?
You can buy Critical Purple seeds from four seedbanks: Seedsman, Herbies Seeds, and Seed City all carry feminized seeds, while Crop King Seeds (rated 7.2/10 for this strain) is the exclusive source for Critical Purple autoflower seeds. For feminized seeds, comparing pack sizes and listed breeders across Seedsman and Herbies Seeds is worthwhile since both carry multiple versions of this cross. If you specifically want the autoflower format, Crop King Seeds is your only option, so factor their germination guarantee into your decision given Critical Purple's moderate growing difficulty.
