303 OG Feminized vs 9 Pound Hammer Autoflower — Side-by-Side Comparison
Choosing between 303 OG Feminized and 9 Pound Hammer Autoflower? 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.
303 OG Feminized vs 9 Pound Hammer Autoflower at a glance
| Spec | 303 OG Feminized | 9 Pound Hammer Autoflower |
|---|---|---|
| THC | 24%winner | 23% |
| Strain split | 58% Indica / 42% Sativa | 66% Indica / 34% 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
9 Pound Hammer Autoflower delivers
303 OG Feminized and 9 Pound Hammer Autoflower both bring relaxed, happy to the experience, but 303 OG Feminized leans more into euphoric territory while 9 Pound Hammer Autoflower pushes harder on sleepy effects.
Growing 303 OG Feminized vs growing 9 Pound Hammer 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.
9 Pound Hammer Autoflower
- Flowering: 8-10 weeks
- Indoor yield: 350-500g/m²
- Outdoor yield: 50-200g/plant
- Height: 60-100cm
- Difficulty: Easy
9 Pound Hammer Autoflower delivers relaxing indica effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.
9 Pound Hammer 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, 9 Pound Hammer 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 9 Pound Hammer Autoflower.
Which should you grow?
Picking between these two comes down to four practical questions:
Best for beginners
9 Pound Hammer Autoflower
Best yield
9 Pound Hammer Autoflower
Fastest harvest
9 Pound Hammer Autoflower
Highest THC
303 OG Feminized
Frequently asked questions
Which is stronger, 303 OG Feminized or 9 Pound Hammer Autoflower?+
303 OG Feminized comes in higher on the lab sheets at around 24%, compared with 23% for 9 Pound Hammer 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 9 Pound Hammer Autoflower?+
9 Pound Hammer 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, 9 Pound Hammer Autoflower is the safer pick.
Which is faster to harvest?+
9 Pound Hammer 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, 9 Pound Hammer Autoflower is the smarter bet.
Which is easier to grow?+
9 Pound Hammer 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 9 Pound Hammer Autoflower, especially in a small tent.
Where can I buy 303 OG Feminized or 9 Pound Hammer Autoflower seeds in Canada?+
Royal King Seeds carries both 303 OG Feminized and 9 Pound Hammer 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 9 Pound Hammer Autoflower page to pick your pack size in CAD.
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