Cannabis seed collection
High THC cannabis seeds in Australia
High THC seeds are for growers who want the most potent result their patch can produce. This range collects strains that consistently test above 20% THC, with several pushing past 25% when grown well, in feminised and autoflower form. Potency isn't just genetics — Australian sun and long summer days give these strains the intense light they need to reach their full potential, which is why outdoor grows in Queensland, Western Australia and inland New South Wales can rival indoor results. Each listing shows the tested THC range, the terpene profile that shapes the effect, and how the strain handles heat, so you can pick something that delivers strength without wilting in a January heatwave. Expect dense, resin-heavy flowers that reward careful drying and curing.
Cannabis seed results
Bubble Cheese
Bubble Cheese is a feminised, indica-reported cultivar with Bubble Gum x Bubba Kush lineage and a documented berry flavour.
Bubbleberry
Bubbleberry is a feminised hybrid cultivar with documented Bubble Gum x Blueberry lineage and a sweet, berry-led profile.
Bubblegum Auto
Bubblegum Auto is a beginner-friendly autoflowering hybrid with balanced indica and sativa genetics and sweet, berry and tropical flavours.
From $79.00
Bubblegum Sherbet
Bubblegum Sherbet feminised seeds offer an indica-leaning profile with sweet berry, banana and candy flavours.
From $79.00
Bubblegum Sherbet Auto
Bubblegum Sherbet Auto is an indica-leaning autoflower with sweet, fruity, berry and sour flavours, suited to intermediate growers.
From $99.00
Buddha Tahoe
Buddha Tahoe is a feminised, indica-reported cultivar with Tahoe OG genetics and citrus, earthy and pine flavour notes.
Buddha's Sister
Buddha's Sister is a feminised, indica-reported cultivar with Afghan Hawaiian genetics and an earthy, sweet flavour profile.
Bugatti
Bugatti is a feminised hybrid cultivar recorded with OG Kush genetics and earthy, pine-like aroma descriptors.
Bullrider
Bullrider is a feminised Afghani cultivar with a reported indica phenotype, an earthy and pine aroma profile, and 16–21% THC.
Bullrider Auto
Bullrider Auto is an autoflower cultivar listed with Afghani genetics, an indica phenotype and earthy, pine-like notes.
Burkle
Burkle is a feminised, indica-reported cultivar with documented Granddaddy Purple and Pre-98 Bubba Kush parentage.
Burkle Auto
Burkle Auto is an autoflower cultivar profile with reported indica phenotype, spicy and berry notes, and listed 34% THC.
Burmese Kush
Burmese Kush is a feminized hybrid profile associated with earthy and pine aromas, with THC listed as its principal cannabinoid.
Burmese Kush Auto
Burmese Kush Auto is an autoflower seed type with a reported hybrid phenotype, earthy and pine notes, and 23–26% THC.
Butter OG
Butter OG is a feminised, indica-described cultivar with reported THC of 18–20% and a sweet flavour profile.
Butterscotch
Butterscotch is a feminised, indica-described cultivar with a sweet flavour profile and reported THC content of 24%.
C. Banana
C. Banana feminised seeds offer a 60% sativa profile with sweet banana, earthy and tropical flavours, suited to intermediate growers.
From $79.00
C. Banana Auto
C. Banana Auto is a sativa-leaning autoflower with sweet banana, tropical and earthy flavours, suited to intermediate growers.
From $79.00
Cactus
Cactus is a feminised cultivar with documented Afghani x Northern Lights lineage, citrus and earthy notes, and 18–24% THC.
Cadillac Purple
Cadillac Purple is a feminised, indica-described cultivar listed with Blackberry Kush genetics and a berry flavour profile.
Cali Jack
Cali Jack is a feminised hybrid with documented Jack Herer and Pre-98 Bubba Kush lineage, a sweet flavour note and reported 21% THC.
Cali Kush
Cali Kush is a feminised cultivar described as a hybrid phenotype, with an earthy flavour profile and documented THC of 21–22%.
California Grapefruit
California Grapefruit is a feminised cultivar with documented Skunk 1 x Northern Lights lineage and a citrus-led aroma profile.
Canadian Haze
Canadian Haze is a feminised photoperiod hybrid with a 70% sativa profile, blending berry, haze, diesel and citrus flavours.
From $89.00
Candy Cream
Candy Cream is a feminised hybrid listed as Ice Cream Cake x Dayglow, with a berry flavour note and THC recorded at 23–25%.
Candy Cream Auto
Candy Cream Auto is an autoflower hybrid with documented Ice Cream Cake x Dayglow lineage and a berry flavour descriptor.
Candy Jack
Candy Jack is a feminised, sativa-reported cultivar with documented Skunk 1 x Jack Herer lineage and citrus, pine and sweet notes.
Cannalope Kush Auto
Cannalope Kush Auto is an autoflower hybrid profile with documented OG #18 and Cannalope Haze lineage and a sweet flavour.
Cap Junky
Cap Junky feminised seeds offer balanced 50/50 sativa-indica genetics, with creamy, fruity, sour, spicy and sweet flavours.
From $99.00
Cap Junky Auto
Cap Junky Auto autoflower seeds offer a balanced indica-sativa profile with creamy, fruity, sour, spicy and sweet flavours.
From $99.00
Capers
Capers is a feminised, indica-described cultivar documented as Burmese Kush, with earthy, pine and sweet aroma notes.
Carmen x Durban Poison
Carmen x Durban Poison is a feminised, sativa-leaning cultivar with citrus, incense and sweet notes plus lively subjective effects.
Cascadia Kush
Cascadia Kush is a feminised, indica-reported cultivar with Alien Kush × Frankenstein lineage and sweet berry notes.
Casey Jones
Casey Jones is a feminised, sativa-reported cultivar with Trainwreck x Thai lineage and a citrus, earthy and sweet profile.
Casper OG
Casper OG is a feminised, indica-reported cultivar documented as Ghost OG crossed with Face Off OG, with an earthy flavour.
Casper OG Auto
Casper OG Auto is an autoflower cultivar with Ghost OG × Face Off OG lineage, an earthy flavour and a reported indica phenotype.
Cataract Kush Auto
Cataract Kush Auto is an autoflower seed type with a reported hybrid phenotype, earthy and spicy flavours, and 16–21% THC.
Cement Shoes
Cement Shoes feminised seeds have an indica-leaning profile, with citrus, earthy, sweet and nutty flavours and an 8–10 week flowering time.
From $89.00
Cereal Milk
Cereal Milk feminised seeds offer a balanced 50/50 profile, with sweet vanilla, berry and cream flavours and an 8–10 week flowering time.
From $99.00
Cheese
Cheese feminised seeds offer an indica-leaning profile with pungent, earthy and spicy flavours, plus an 8–9 week flowering time.
From $79.00
Cheese Auto
Cheese Auto is an indica-leaning autoflower with cheesy, earthy, skunky and sweet flavours, suited to beginners in hot, dry or temperate climates.
From $79.00
Cheese Quake
Cheese Quake is a feminised hybrid cultivar documented as Cheese x Querkle, with an earthy flavour descriptor and 17–21% THC.
Chem 91
Chem 91 is a feminized cultivar listed with Thai genetics, a reported hybrid phenotype and THC levels of 20–23%.
Chem Crush
Chem Crush is a feminised hybrid cultivar documented as Orange Crush, with reported THC of 20–22% and CBD at 0%.
Chem Scout
Chem Scout is a feminised cultivar documented as Girl Scout Cookies x Chem 91, with an earthy aroma and an indica phenotype.
Chem Valley Kush
Chem Valley Kush is a feminised hybrid with documented Chemdawg and SFV OG Kush lineage, earthy and pine notes, and 20–26% THC.
Chemdawg
Chemdawg feminised seeds offer a slightly indica-leaning profile, with diesel, citrus, pine and earthy flavours.
From $79.00
Chemdawg #4 Regular
Chemdawg #4 Regular is a regular-seed hybrid documented as Thai x Nepalese, with a pine descriptor and 19–27% THC.