3 Kings Autoflower vs 501st OG Feminized — Side-by-Side Comparison
Choosing between 3 Kings Autoflower and 501st OG Feminized? Both are heavyweights in the modern cannabis catalog, but they pull in different directions on potency, growth rhythm, and end-user experience. This side-by-side breaks down the genetics, growing data, and effects so you can pick the right packet of seeds for your tent or garden.
3 Kings Autoflower vs 501st OG Feminized at a glance
| Spec | 3 Kings Autoflower | 501st OG Feminized |
|---|---|---|
| THC | 16% | 18%winner |
| Strain split | 13% Indica / 87% Sativa | 74% Indica / 26% Sativa |
| Flowering time | 8-10 weekswinner | — |
| Indoor yield | 350-500g/m² | — |
| Outdoor yield | 50-200g/plant | — |
| Plant height | 60-100cm | — |
| Difficulty | Easywinner | Intermediate |
| Autoflower | Yes | No |
| Feminized | Yes | Yes |
Effects compared
3 Kings Autoflower delivers
Both share
501st OG Feminized delivers
3 Kings Autoflower and 501st OG Feminized both bring happy to the experience, but 3 Kings Autoflower leans more into energetic territory while 501st OG Feminized pushes harder on relaxed effects.
Growing 3 Kings Autoflower vs growing 501st OG Feminized
3 Kings Autoflower
- Flowering: 8-10 weeks
- Indoor yield: 350-500g/m²
- Outdoor yield: 50-200g/plant
- Height: 60-100cm
- Difficulty: Easy
3 Kings Autoflower delivers uplifting sativa effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.
501st OG Feminized
- Flowering: Not specified
- Indoor yield: Not specified
- Outdoor yield: Not specified
- Height: Not specified
- Difficulty: Intermediate
Grow 501st OG Feminized in Canada — 74/26 indica with pine terpenes. 16-20% THC. Feminized seeds.
3 Kings Autoflower finishes 91 weeks sooner than 501st OG Feminized, which matters most for outdoor growers chasing the first frost or anyone running back-to-back indoor cycles. On harvest weight, 3 Kings Autoflower edges ahead, especially when you give it a full SCROG net. If you are still building muscle memory around feeding and humidity control, lean on 3 Kings Autoflower.
Which should you grow?
Picking between these two comes down to four practical questions:
Best for beginners
3 Kings Autoflower
Best yield
3 Kings Autoflower
Fastest harvest
3 Kings Autoflower
Highest THC
501st OG Feminized
Frequently asked questions
Which is stronger, 3 Kings Autoflower or 501st OG Feminized?+
501st OG Feminized comes in higher on the lab sheets at around 18%, compared with 16% for 3 Kings Autoflower. That said, real-world potency depends on phenotype, cure, and grow conditions — both strains can deliver a serious hit when grown well.
Which yields more, 3 Kings Autoflower or 501st OG Feminized?+
3 Kings Autoflower pulls ahead on yield with up to 350-500g/m², while 501st OG Feminized tops out around . If grams per square meter is the deciding factor, 3 Kings Autoflower is the safer pick.
Which is faster to harvest?+
3 Kings Autoflower flowers in around 8-10 weeks, beating 501st OG Feminized's window. For a quicker turn-around or for outdoor growers fighting an early frost, 3 Kings Autoflower is the smarter bet.
Which is easier to grow?+
3 Kings Autoflower is the more forgiving plant of the two — rated Easy versus Intermediate for 501st OG Feminized. First-time growers will have a smoother run with 3 Kings Autoflower, especially in a small tent.
Where can I buy 3 Kings Autoflower or 501st OG Feminized seeds in Canada?+
Royal King Seeds carries both 3 Kings Autoflower and 501st OG Feminized as feminized seeds shipped discreetly across Canada. Each strain ships with our germination guarantee and tracked Canada Post delivery in plain unmarked packaging. Visit the 3 Kings Autoflower page or the 501st OG Feminized page to pick your pack size in CAD.
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