501st OG Feminized vs 9 Pound Hammer Feminized — Side-by-Side Comparison

9 Pound Hammer Feminized comes in higher on the lab sheets at around 23%, 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.

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.

501st OG Feminized and 9 Pound Hammer Feminized flower on essentially the same schedule ( and ), so harvest timing is unlikely to be the deciding factor between them.

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.

Royal King Seeds carries both 501st OG Feminized and 9 Pound Hammer Feminized 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 9 Pound Hammer Feminized page to pick your pack size in CAD.