Yield potential varies significantly by strain and growing environment — here’s how to actually compare it and what to prioritize if maximizing harvest size is your main goal.

How Yield Is Measured

Strain listings typically show yield in grams per square meter (indoor) and grams per plant (outdoor) separately, since the two growing environments produce very different results for the same genetics.

What Drives High Yield

1. Photoperiod over autoflower — the longer, grower-controlled vegetative stage generally produces larger plants and bigger yields than autoflowers’ fixed short cycle
2. Sativa-dominant structure (outdoor specifically) — taller plants with a longer season to fill out often out-yield compact indica-dominant genetics outdoors
3. Strains bred specifically for yield, often noted directly in strain descriptions as “high-yield” genetics
4. Outdoor growing generally beats indoor for raw yield per plant, given unrestricted root space and natural sunlight
5. Strains with a longer flowering time, since more time in flower generally (though not always) correlates with more bud development, trading off against total grow-cycle length

Balancing Yield Against Other Factors

The highest-yield strain isn’t always the right choice — check flowering time against your available growing season (especially for Canadian growers with shorter outdoor windows), and growing-level rating against your experience, before choosing based on yield figures alone.