303 OG Feminized vs 3X Crazy Autoflower — Side-by-Side Comparison

If you have narrowed your shortlist down to 303 OG Feminized and 3X Crazy Autoflower, you are weighing two genuinely different growing personalities. One leans toward the kind of plant that forgives a beginner; the other rewards a grower who already understands their environment. The data below makes that gap obvious.

303 OG Feminized vs 3X Crazy Autoflower at a glance

Spec303 OG Feminized3X Crazy Autoflower
THC24%winner21%
Strain split58% Indica / 42% Sativa82% Indica / 18% Sativa
Flowering time8-10 weekswinner
Indoor yield350-500g/m²
Outdoor yield50-200g/plant
Plant height60-100cm
DifficultyIntermediateEasywinner
AutoflowerNoYes
FeminizedYesYes

Effects compared

303 OG Feminized delivers

relaxedhappy

Both share

euphoric

3X Crazy Autoflower delivers

focusedcalm

303 OG Feminized and 3X Crazy Autoflower both bring euphoric to the experience, but 303 OG Feminized leans more into relaxed territory while 3X Crazy Autoflower pushes harder on focused effects.

Growing 303 OG Feminized vs growing 3X Crazy 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.

3X Crazy Autoflower

  • Flowering: 8-10 weeks
  • Indoor yield: 350-500g/m²
  • Outdoor yield: 50-200g/plant
  • Height: 60-100cm
  • Difficulty: Easy

3X Crazy Autoflower delivers relaxing indica effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.

3X Crazy 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, 3X Crazy 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 3X Crazy Autoflower.

Which should you grow?

Here is the short version of the verdict:

Best for beginners

3X Crazy Autoflower

Best yield

3X Crazy Autoflower

Fastest harvest

3X Crazy Autoflower

Highest THC

303 OG Feminized

Frequently asked questions

Which is stronger, 303 OG Feminized or 3X Crazy Autoflower?+

303 OG Feminized comes in higher on the lab sheets at around 24%, compared with 21% for 3X Crazy 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 3X Crazy Autoflower?+

3X Crazy 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, 3X Crazy Autoflower is the safer pick.

Which is faster to harvest?+

3X Crazy 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, 3X Crazy Autoflower is the smarter bet.

Which is easier to grow?+

3X Crazy 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 3X Crazy Autoflower, especially in a small tent.

Where can I buy 303 OG Feminized or 3X Crazy Autoflower seeds in Canada?+

Royal King Seeds carries both 303 OG Feminized and 3X Crazy 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 3X Crazy Autoflower page to pick your pack size in CAD.

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