501st OG Feminized vs A-Train Autoflower — Side-by-Side Comparison

If you have narrowed your shortlist down to 501st OG Feminized and A-Train 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.

501st OG Feminized vs A-Train Autoflower at a glance

Spec501st OG FeminizedA-Train Autoflower
THC18%21%winner
Strain split74% Indica / 26% Sativa79% Indica / 21% Sativa
Flowering time8-10 weekswinner
Indoor yield350-500g/m²
Outdoor yield50-200g/plant
Plant height60-100cm
DifficultyIntermediateEasywinner
AutoflowerNoYes
FeminizedYesYes

Effects compared

501st OG Feminized delivers

relaxedsleepyhappy

Both share

relaxedsleepyhappy

A-Train Autoflower delivers

relaxedsleepyhappy

501st OG Feminized and A-Train Autoflower both bring relaxed, sleepy, happy to the experience, but 501st OG Feminized leans more into relaxed territory while A-Train Autoflower pushes harder on relaxed effects.

Growing 501st OG Feminized vs growing A-Train Autoflower

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.

A-Train Autoflower

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

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

A-Train 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, A-Train 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 A-Train Autoflower.

Which should you grow?

Picking between these two comes down to four practical questions:

Best for beginners

A-Train Autoflower

Best yield

A-Train Autoflower

Fastest harvest

A-Train Autoflower

Highest THC

A-Train Autoflower

Frequently asked questions

Which is stronger, 501st OG Feminized or A-Train Autoflower?+

A-Train Autoflower comes in higher on the lab sheets at around 21%, compared with 18% for 501st OG Feminized. 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, 501st OG Feminized or A-Train Autoflower?+

A-Train 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, A-Train Autoflower is the safer pick.

Which is faster to harvest?+

A-Train 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, A-Train Autoflower is the smarter bet.

Which is easier to grow?+

A-Train 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 A-Train Autoflower, especially in a small tent.

Where can I buy 501st OG Feminized or A-Train Autoflower seeds in Canada?+

Royal King Seeds carries both 501st OG Feminized and A-Train 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 501st OG Feminized page or the A-Train Autoflower page to pick your pack size in CAD.

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