303 OG Feminized vs 5th Element Auto — Side-by-Side Comparison

Choosing between 303 OG Feminized and 5th Element Auto? 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 5th Element Auto at a glance

Spec303 OG Feminized5th Element Auto
THC2425winner
Strain split58% Indica / 42% Sativa79% Indica / 21% Sativa
Flowering time
Indoor yield
Outdoor yield
Plant height
DifficultyIntermediateIntermediate
AutoflowerNoYes
FeminizedYesNo

Effects compared

303 OG Feminized delivers

relaxedhappy

Both share

euphoric

5th Element Auto delivers

creative

303 OG Feminized and 5th Element Auto both bring euphoric to the experience, but 303 OG Feminized leans more into relaxed territory while 5th Element Auto pushes harder on creative effects.

Growing 303 OG Feminized vs growing 5th Element Auto

303 OG Feminized

  • Flowering: Not specified
  • Indoor yield: Not specified
  • Outdoor yield: Not specified
  • Height: Not specified
  • Difficulty: Intermediate

Buy 303 OG Feminized cannabis seeds online in the USA. Hybrid strain with 24% THC. Effects: Relaxed, Happy, Euphoric. Discreet shipping to all 50 states with germination guarantee.

5th Element Auto

  • Flowering: Not specified
  • Indoor yield: Not specified
  • Outdoor yield: Not specified
  • Height: Not specified
  • Difficulty: Intermediate

Buy 5th Element Auto cannabis seeds online in the USA. Indica strain with 25% THC. Effects: Euphoric, Creative. Discreet shipping to all 50 states with germination guarantee.

Both strains share a similar flowering window, so cycle planning will not push you toward one over the other. Yields land in the same range, so neither strain leaves the other behind at harvest. Both strains expect a grower who already understands stable VPD and steady feeding.

Which should you grow?

Here is the short version of the verdict:

Best for beginners

Tied — either works

Best yield

Tied — same range

Fastest harvest

Tied — same window

Highest THC

5th Element Auto

Frequently asked questions

Which is stronger, 303 OG Feminized or 5th Element Auto?+

5th Element Auto comes in higher on the lab sheets at around 25, compared with 24 for 303 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, 303 OG Feminized or 5th Element Auto?+

Both strains finish in roughly the same yield band ( vs ), so the better choice depends on whether your tent leans toward short bushy plants or taller, stretchier ones.

Which is faster to harvest?+

303 OG Feminized and 5th Element Auto flower on essentially the same schedule ( and ), so harvest timing is unlikely to be the deciding factor between them.

Which is easier to grow?+

Both strains land at similar difficulty (Intermediate vs Intermediate). Either is approachable for a grower who can hold steady humidity and feed on schedule, and neither is going to baby-sit a beginner more than the other.

Where can I buy 303 OG Feminized or 5th Element Auto seeds?+

Royal King Seeds carries both 303 OG Feminized and 5th Element Auto as feminized seeds shipped discreetly across the United States. Each strain ships with our 95% germination guarantee and tracked 3–5 day delivery. Visit the 303 OG Feminized page or the 5th Element Auto page to pick your pack size.

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