303 OG Feminized vs Afghani Autoflower — Side-by-Side Comparison
303 OG Feminized and Afghani Autoflower keep showing up in the same buyer questions, and the reason is simple: they overlap in popularity but not in payoff. The comparison underneath uses real cultivar data — THC, indica/sativa split, flowering time, indoor and outdoor yield, height, and difficulty — so the decision becomes a matter of fit, not hype.
303 OG Feminized vs Afghani Autoflower at a glance
| Spec | 303 OG Feminized | Afghani Autoflower |
|---|---|---|
| THC | 24%winner | 21% |
| Strain split | 58% Indica / 42% Sativa | 70% Indica / 30% Sativa |
| Flowering time | — | 8-10 weekswinner |
| Indoor yield | — | 350-500g/m² |
| Outdoor yield | — | 50-200g/plant |
| Plant height | — | 60-100cm |
| Difficulty | Intermediate | Easywinner |
| Autoflower | No | Yes |
| Feminized | Yes | Yes |
Effects compared
303 OG Feminized delivers
Both share
Afghani Autoflower delivers
303 OG Feminized and Afghani Autoflower aim at almost completely different effect profiles, so the choice between them is less about strength and more about the kind of session you want.
Growing 303 OG Feminized vs growing Afghani Autoflower
303 OG Feminized
- Flowering: Not specified
- Indoor yield: Not specified
- Outdoor yield: Not specified
- Height: Not specified
- Difficulty: Intermediate
303 OG Feminized autoflower seeds — hybrid genetics at 22-26% THC. Relaxed effects with earthy flavor. Ships across Canada.
Afghani Autoflower
- Flowering: 8-10 weeks
- Indoor yield: 350-500g/m²
- Outdoor yield: 50-200g/plant
- Height: 60-100cm
- Difficulty: Easy
Afghani Autoflower delivers relaxing indica effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.
Afghani Autoflower finishes 91 weeks sooner than 303 OG Feminized, which matters most for outdoor growers chasing the first frost or anyone running back-to-back indoor cycles. On harvest weight, Afghani 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 Afghani Autoflower.
Which should you grow?
So which strain wins?
Best for beginners
Afghani Autoflower
Best yield
Afghani Autoflower
Fastest harvest
Afghani Autoflower
Highest THC
303 OG Feminized
Frequently asked questions
Which is stronger, 303 OG Feminized or Afghani Autoflower?+
303 OG Feminized comes in higher on the lab sheets at around 24%, compared with 21% for Afghani 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, 303 OG Feminized or Afghani Autoflower?+
Afghani Autoflower pulls ahead on yield with up to 350-500g/m², while 303 OG Feminized tops out around . If grams per square meter is the deciding factor, Afghani Autoflower is the safer pick.
Which is faster to harvest?+
Afghani Autoflower flowers in around 8-10 weeks, beating 303 OG Feminized's window. For a quicker turn-around or for outdoor growers fighting an early frost, Afghani Autoflower is the smarter bet.
Which is easier to grow?+
Afghani Autoflower is the more forgiving plant of the two — rated Easy versus Intermediate for 303 OG Feminized. First-time growers will have a smoother run with Afghani Autoflower, especially in a small tent.
Where can I buy 303 OG Feminized or Afghani Autoflower seeds in Canada?+
Royal King Seeds carries both 303 OG Feminized and Afghani Autoflower 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 303 OG Feminized page or the Afghani Autoflower page to pick your pack size in CAD.
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