3 Kings Autoflower vs 5th Element Autoflower — Side-by-Side Comparison

3 Kings Autoflower versus 5th Element Autoflower is one of the more revealing matchups you can run as a home grower. The two strains share the same shelf at most seed banks, but their THC ceilings, flowering windows, and yield profiles diverge enough that a single decision tree can save you a full season of regret.

3 Kings Autoflower vs 5th Element Autoflower at a glance

Spec3 Kings Autoflower5th Element Autoflower
THC16%25%winner
Strain split13% Indica / 87% Sativa79% Indica / 21% Sativa
Flowering time8-10 weeks8-10 weeks
Indoor yield350-500g/m²350-500g/m²
Outdoor yield50-200g/plant50-200g/plant
Plant height60-100cm60-100cm
DifficultyEasyEasy
AutoflowerYesYes
FeminizedYesYes

Effects compared

3 Kings Autoflower delivers

happyenergetic

Both share

creative

5th Element Autoflower delivers

euphoric

3 Kings Autoflower and 5th Element Autoflower both bring creative to the experience, but 3 Kings Autoflower leans more into happy territory while 5th Element Autoflower pushes harder on euphoric effects.

Growing 3 Kings Autoflower vs growing 5th Element Autoflower

3 Kings Autoflower

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

3 Kings Autoflower delivers uplifting sativa effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.

5th Element Autoflower

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

5th Element Autoflower delivers relaxing indica effects in a fast-finishing autoflowering format — seed to harvest in 9-11 weeks.

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?

The right answer depends on your setup, but the trade-offs are clear:

Best for beginners

Tied — either works

Best yield

Tied — same range

Fastest harvest

Tied — same window

Highest THC

5th Element Autoflower

Frequently asked questions

Which is stronger, 3 Kings Autoflower or 5th Element Autoflower?+

5th Element Autoflower comes in higher on the lab sheets at around 25%, compared with 16% for 3 Kings 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, 3 Kings Autoflower or 5th Element Autoflower?+

Both strains finish in roughly the same yield band (350-500g/m² vs 350-500g/m²), so the better choice depends on whether your tent leans toward short bushy plants or taller, stretchier ones.

Which is faster to harvest?+

3 Kings Autoflower and 5th Element Autoflower flower on essentially the same schedule (8-10 weeks and 8-10 weeks), so harvest timing is unlikely to be the deciding factor between them.

Which is easier to grow?+

Both strains land at similar difficulty (Easy vs Easy). 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 3 Kings Autoflower or 5th Element Autoflower seeds in Canada?+

Royal King Seeds carries both 3 Kings Autoflower and 5th Element 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 3 Kings Autoflower page or the 5th Element Autoflower page to pick your pack size in CAD.

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