Brand collection

Heavyweight Seeds

UK (founded) / Spain (current HQ)

Founded in 2008, Heavyweight Seeds entered the global market with a clear mission: to craft cannabis genetics that deliver maximum yield without sacrificing high-end potency, flavor, or genetic stability. Recognizing that commercial growers and home hobbyists alike want heavy-duty harvests with knockout strength, Heavyweight’s breeding team focused on stabilizing high-performing, high-THC parent lines.

By meticulously crossing landrace genetics, old-school European staples, and high-grade American cultivars, Heavyweight Seeds developed a catalog renowned for heavy bud density, high stress tolerance, and dripping trichome production. Their varieties are built for exceptional performance, offering high resistance to common molds and pests alongside forgiving growth traits.

Their legendary lineup includes fan favorites like Fruit Punch, Monster Profit, Green Crack Auto, Wipeout Express, and Dream Machine. Whether for commercial cultivators seeking maximum gram-per-square-meter efficiency or home growers wanting heavy-hitting flower with sweet, complex terpenes, Heavyweight Seeds remains a globally recognized benchmark for big yields and pure strength.

Heavyweight Seeds
The collection

Heavyweight Seeds strains

19 products

Browse all Heavyweight Seeds strains 19

Budzilla

Heavyweight Seeds

THC 22%CBD 1.1%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Hybrid
Low stock
€22.99

Champion

Heavyweight Seeds

THC 19.5%CBD 0.8%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Indica
Low stock
€34.99

Diesel Drift

Heavyweight Seeds

THC 18%CBD 1.3%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Sativa
Low stock
€34.99

Fully Loaded Auto

Heavyweight Seeds

THC 20%CBD 0.5%

Seed type
Feminised
Seed category
Autoflower
Genetics
Hybrid
Low stock
€22.99

Green Ninja

Heavyweight Seeds

THC 22%CBD 1%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Indica
Low stock
€34.99

High Density Auto

Heavyweight Seeds

THC 20%CBD 0.3%

Seed type
Feminised
Seed category
Autoflower
Genetics
Indica
Low stock
€34.99

Jackpot Auto

Heavyweight Seeds

THC 19%CBD 0.7%

Seed type
Feminised
Seed category
Autoflower
Genetics
Indica
In stock
€63.99

KO Kush

Heavyweight Seeds

THC 19%CBD 0.8%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Indica
In stock
€22.99

Lemon Cake

Heavyweight Seeds

THC 23%CBD 0.3%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Sativa
Low stock
€34.99

Massive Midget Auto

Heavyweight Seeds

THC 18%CBD 0.7%

Seed type
Feminised
Seed category
Autoflower
Genetics
Hybrid
Low stock
€34.99

Midnight Mass

Heavyweight Seeds

THC 21%CBD 1%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Hybrid
Low stock
€22.99

Skunky Monkey Auto

Heavyweight Seeds

THC 20%CBD 1%

Seed type
Feminised
Seed category
Autoflower
Genetics
Indica
Low stock
€22.99

Strawberry Cake

Heavyweight Seeds

THC 22%CBD 1.3%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Indica
Low stock
€63.99

Superb OG

Heavyweight Seeds

THC 24%CBD 0.3%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Hybrid
In stock
€22.99

Total Paralysis

Heavyweight Seeds

THC 21%CBD 0.9%

Seed type
Feminised
Seed category
Photoperiod
Genetics
Sativa
Low stock
€22.99
Breeder collection guide

Explore cannabis seeds from Heavyweight Seeds

This collection brings together every active Heavyweight Seeds strain currently listed by PrimeStrains. Compare genetics, seed type, potency information, flowering time, cultivation guidance, terpenes, flavours, reported effects, and price before opening the complete product profile.

Which strains are available?

The product list above is generated from the live catalog and updates automatically when Heavyweight Seeds strains are added, changed, or made unavailable.

How should breeder strains be compared?

Review each complete profile, including seed type, lineage, cannabinoid information, flowering time, environment, yield guidance, and sensory characteristics.