12 Highest Yielding Strains For Massive Harvests

When growers search for the highest yielding strains, they want more than just genetics — they want hard numbers. Whether you’re setting up a commercial grow room or tending a few plants at home, the ability to maximize yield per square meter indoors or grams per plant outdoors is critical.

This guide explores the highest yielding cannabis strains of all time, including indica, sativa, and hybrid genetics as well as autoflowering high yield strains. You’ll find quantifiable data, cultivation tips, training recommendations, and even notes on fastest-growing high yield strains for quicker harvests.

Highest Yielding Strains (Indoor and Outdoor Data)

1. Big Bud (Indica-Dominant)

• Indoor Yield: 550–700 g/m²
• Outdoor Yield: 800–1200 g/plant
• Flowering Time: 7–9 weeks
• Training: Works best with Sea of Green (SOG) setups.
• Why Grow It: Legendary for sheer size of colas; among the highest yielding indica strains.

2. Critical Mass (Indica)

• Indoor Yield: 600–750 g/m²
• Outdoor Yield: 1000–1300 g/plant
• Flowering Time: 6–8 weeks
• Training: SOG for efficiency.
• Note: Dense buds mean it requires low humidity late in flower to prevent mold.

3. Northern Lights (Indica)

• Indoor Yield: 500–650 g/m²
• Outdoor Yield: 800–1000 g/plant
• Flowering Time: 7–8 weeks
• Training: Excellent with SCROG.
• Why Grow It: A classic that combines high yield, fast flowering, and mold resistance.

4. White Widow (Hybrid)

• Indoor Yield: 450–600 g/m²
• Outdoor Yield: 800–900 g/plant
• Flowering Time: 8–10 weeks
• Training: Low Stress Training (LST) + SCROG for best results.
• Note: Consistently one of the highest yielding strains indoors.

5. Amnesia Haze (Sativa-Dominant)

• Indoor Yield: 600–650 g/m²
• Outdoor Yield: 1000–1200 g/plant
• Flowering Time: 10–12 weeks
• Training: Needs LST and topping to control tall growth.
• Why Grow It: One of the highest yield sativa strains, with THC often exceeding 22%.

6. Super Silver Haze (Sativa Hybrid)

• Indoor Yield: 600–700 g/m²
• Outdoor Yield: 900–1200 g/plant
• Flowering Time: 10–11 weeks
• Training: Best in SCROG setups.
• Note: Known as one of the best strains for high yield and potency.

7. Blue Dream (Sativa Hybrid)

• Indoor Yield: 500–600 g/m²
• Outdoor Yield: 900–1200 g/plant
• Flowering Time: 9–10 weeks
• Training: Topping + SCROG for heavy branches.
• Why Grow It: A favorite in the U.S. — high yield, high THC, and balanced effects.

8. Gorilla Glue #4 (GG4) (Hybrid)

• Indoor Yield: 500–650 g/m²
• Outdoor Yield: 800–1000 g/plant
• Flowering Time: 8–9 weeks
• Training: Benefits from LST and topping.
• Why Grow It: A balance of yield and potency, often reaching 25% THC.

9. AK-47 (Hybrid)

• Indoor Yield: 400–500 g/m²
• Outdoor Yield: 700–900 g/plant
• Flowering Time: 8–9 weeks
• Training: LST to manage bushy growth.
• Why Grow It: One of the fastest growing high yield strains, easy for beginners.

10. Thai Stick (Pure Sativa)

• Indoor Yield: 400–500 g/m²
• Outdoor Yield: 900–1200 g/plant
• Flowering Time: 12–14 weeks
• Training: Needs SCROG for long flowering periods.
• Why Grow It: Enormous outdoor yields, but only for patient growers.

11. Cheese Quake (Indica Hybrid)

• Indoor Yield: 450–600 g/m²
• Outdoor Yield: 700–900 g/plant
• Flowering Time: 8–9 weeks
• Training: Topping & super-cropping for dense canopies.

12. Critical Kush (Indica)

• Indoor Yield: 550–650 g/m²
• Outdoor Yield: 800–1100 g/plant
• Flowering Time: 8–9 weeks
• Training: SCROG setup recommended.
• Note: High yield, high potency, but vulnerable to mold in humidity.

Highest Yield Autoflower Strains

Autoflowers are fast, resilient, and ideal for growers who want multiple harvests per year. Some of the highest yielding autoflower strains include:

• Northern Lights Auto – 500 g/m² indoors, 200 g/plant outdoors, 10 weeks seed-to-harvest.
• Amnesia Haze Auto – 450–500 g/m², 180 g/plant outdoors, THC up to 20%.
• Gorilla Glue Auto – 500–600 g/m², 200 g/plant outdoors, harvest in 10–12 weeks.
• Critical Mass Auto – 550 g/m² indoors, up to 250 g/plant outdoors, very fast-finishing.

These strains are perfect if you want the highest yield autoflowers without the complexity of photoperiod growing.

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Quick Reference Table For Highest Yielding Strains

Strain	Genetics	Indoor Yield (g/m²)	Outdoor Yield (g/plant)	Flowering Time (weeks)	THC %	Training
Big Bud	Indica	550–700	800–1200	7–9	18–22%	SOG
Critical Mass	Indica	600–750	1000–1300	6–8	19–22%	SOG
Northern Lights	Indica	500–650	800–1000	7–8	16–20%	SCROG
White Widow	Hybrid	450–600	800–900	8–10	18–22%	SCROG/LST
Amnesia Haze	Sativa	600–650	1000–1200	10–12	20–25%	LST/Topping
Super Silver Haze	Sativa Hybrid	600–700	900–1200	10–11	18–23%	SCROG
Blue Dream	Sativa Hybrid	500–600	900–1200	9–10	18–22%	SCROG/Topping
Gorilla Glue #4	Hybrid	500–650	800–1000	8–9	20–25%	LST/Topping
AK-47	Hybrid	400–500	700–900	8–9	17–21%	LST
Thai Stick	Sativa	400–500	900–1200	12–14	16–20%	SCROG
Cheese Quake	Indica Hybrid	450–600	700–900	8–9	16–20%	Topping
Critical Kush	Indica	550–650	800–1100	8–9	18–22%	SCROG

FAQs About Highest Yielding Cannabis Strains

Final Thoughts on Highest Yielding Cannabis Strains

Choosing the highest yielding cannabis strains depends on your goals:

• For quick harvests indoors, Critical Mass or Northern Lights are unbeatable.
• For outdoor giants, Amnesia Haze and Thai Stick deliver pounds per plant.
• For multiple harvests a year, go with highest yield autoflower strains like Gorilla Glue Auto.

By combining the right strain genetics, cannabis training method, and environment, you can achieve maximum yields whether growing cannabis indoors or outdoors.