Behind Heavyweight Seeds

The roots of Heavyweight Seeds trace back to a private collection of elite mother plants gathered by a veteran grower in Spain. After two years of careful selection, crossing, and refinement, the seed bank officially launched in 2010 – and quickly made its mark across Europe for producing potent, high-yielding strains with dependable performance.

What truly sets Heavyweight apart is their rigorous selection process. During germination, seeds are exposed to unstable humidity and temperature conditions as a deliberate stress test. Only the strongest plants survive – and only those survivors are used to create future generations. The result? Genetics with natural resilience, vigorous growth, and adaptability to a wide range of environments – including Australia's diverse grow conditions.

From Queensland’s subtropical coastlines to dry inland zones and controlled indoor setups, Heavyweight strains are built to perform. Growers across Australia can count on:

• Strong, stable genetics that are easy to manage
• High THC levels, with many strains testing over 20%
• Generous yields that reward both beginners and experienced cultivators

Whether you’re running a backyard grow or dialling in a tent setup, Heavyweight strains are bred to deliver – consistently and powerfully.

Best from Heavyweight Seeds

Herbies customers in Australia consistently rate these strains as favourites:

• Fruit Punch – A fast-finishing Sativa with tropical flavours and an energising high. Ideal for social sessions or creative tasks.
• Fast & Vast Auto – A lightning-quick autoflower that doesn’t compromise on size or potency. Expect bulky colas and a strong, pleasant body stone in just 8 weeks.
• Dream Machine – Resinous and deeply relaxing, this Indica-leaning hybrid is a go-to for stress relief and evening use.
• Extreme Impact Auto – A 90% Indica knockout with earthy flavours and full-body sedation. Best enjoyed on the couch – snacks within reach.
• Green Ninja – Compact and stealthy with low odour, this fruity Indica is ideal for discreet grows and offers deep mental and physical relaxation.

Each strain reflects Heavyweight’s commitment to potency, flavour, and adaptability – with phenos tough enough to handle the real world.

Getting Heavyweight Seeds in Australia

Although the official Heavyweight Seeds website doesn’t ship to Australia, getting your hands on these elite genetics is easier than you might think. Herbies Seeds offers a curated selection of Heavyweight strains, with everything localised for Aussie growers – from AUD pricing to seed pages tailored to your needs.

Orders are shipped discreetly and securely, with stealth packaging that avoids any unwanted attention and includes full tracking from dispatch to delivery. Our team also provides expert germination tips and grow guides, making it easy to get started no matter your experience level.

Plus, with free seeds included in every order, you’ll get even more value for your grow.

Start Growing Heavyweight Genetics Today

Whether you're after sky-high THC, record-breaking yields, or full-bodied flavour profiles, Heavyweight Seeds has a cultivar to suit your grow. Thanks to Herbies Seeds, Australian growers now have easy, secure access to these powerhouse genetics. Order your Heavyweight Seeds today and grow like a pro!