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
Critical Jack
Critical Jack feminised seeds have a 60% sativa profile, with pine, floral, lemon, spicy, sweet and pepper flavours.
From $79.00
Critical Mass
Critical Mass is a feminised Afghani x Skunk 1 cultivar with a reported indica phenotype and earthy, sweet flavour notes.
Critical Purple Auto
Critical Purple Auto is an indica-dominant autoflower with earthy, sweet, woody and citrus flavours, suited to beginner growers.
From $99.00
Critical Skunk
Critical Skunk is a feminised hybrid listed as Afghani x Skunk 1, with an earthy flavour and a reported THC range of 15–22%.
Critical White
Critical White feminised seeds offer an indica-leaning profile with sweet, floral and fruity flavours, flowering in 7–8 weeks.
From $79.00
Crosswalker
Crosswalker is a feminised, indica-described cultivar with documented Blueberry and Skywalker OG lineage and pine and berry notes.
Crouching Tiger Hidden Alien
Crouching Tiger Hidden Alien is a feminised cultivar listed as Tiger's Milk × Starfighter, with an earthy flavour descriptor.
Crown OG Auto
Crown OG Auto is an autoflower cultivar with a reported indica phenotype, earthy and pine notes, and listed THC of 20%.
Crunch Berries
Crunch Berries is a feminised photoperiod hybrid with a 70% indica profile and sweet berry, citrus and vanilla flavours.
From $99.00
Crystal
Crystal feminised photoperiod seeds offer an indica-leaning hybrid profile with sweet, pine, earthy, diesel and skunk flavours.
From $89.00
Crystal Candy Auto
Crystal Candy Auto is a 90% sativa autoflower with sweet fruit flavours, a reported 8–10-week life cycle and energetic effects.
Crystal Coma
Crystal Coma is a feminised, sativa-phenotype cultivar with listed Cheese genetics, citrus flavour and 17–23% THC.
Crystal Coma Auto
Crystal Coma Auto is an autoflower cultivar described as sativa in phenotype, with Cheese genetics and a citrus flavour profile.
Dakini Kush
Dakini Kush is a feminised, indica-reported cultivar with documented Hindu Kush and Pre-98 Bubba Kush lineage.
Damnesia Auto
Damnesia Auto is an autoflower hybrid profile with Amnesia Haze lineage, earthy and spicy notes, and reported THC of 18–23%.
Dank Schrader
Dank Schrader is a feminised cultivar with Bubba Kush and Rockstar Kush lineage, earthy and pine notes, and a reported indica phenotype.
Danky Doodle
Danky Doodle is a feminised cultivar associated with Big Bud genetics and a reported indica phenotype, with THC listed at 15–22%.
Darth Vader OG
Darth Vader OG is a feminised, indica-phenotype cultivar listed with Afghani genetics, earthy and berry notes, and 19–23% THC.
Dawgfather OG
Dawgfather OG is a feminised hybrid cultivar with documented Chemdawg and Sin City Kush lineage and earthy, spicy notes.
Dawgfather OG Auto
Dawgfather OG Auto is an autoflower hybrid with documented Chemdawg and Sin City Kush lineage and earthy, spicy notes.
Deadhead OG
Deadhead OG is a feminised hybrid cultivar with Chemdawg and SFV OG Kush lineage, earthy and pine notes, and reported THC of 19–25%.
Death Bubba
Death Bubba is a feminised, indica-reported cultivar documented as Bubba Kush x Death Star, with earthy and sweet flavour notes.
Death Bubba Auto
Death Bubba Auto is an autoflower seed type with documented Bubba Kush x Death Star lineage and earthy, sweet flavour notes.
Death Star
Death Star feminised seeds offer an indica-dominant photoperiod profile with pungent diesel, earthy and skunk flavours.
From $89.00
Death Star Auto
Death Star Auto is an autoflower cultivar with documented Sour Diesel x Sensi Star lineage and an earthy flavour profile.
Death Star OG Auto
Death Star OG Auto is an autoflower cultivar with documented OG Kush x Sour Diesel lineage and an earthy flavour description.
Deelite Autoflower
Deelite Autoflower combines Thai, Afghani and Ruderalis genetics with pine, spicy and sweet flavours and a reported 8–10-week life cycle.
Deep Chunk
Deep Chunk is a feminised Afghani cultivar with a reported indica phenotype and documented THC levels of 15–21%.
Denver Maple
Denver Maple is a feminized, indica-reported cultivar with Maple Leaf Indica genetics and pine, sweet and berry notes.
Diablo
Diablo is a feminised cultivar documented as Grapefruit x African, with 20% THC and citrus, earthy and spicy flavour notes.
Diablo Auto
Diablo Auto is an autoflower cultivar with Grapefruit x African lineage, a reported indica phenotype and citrus, earthy and spicy notes.
Diamond OG Auto
Diamond OG Auto is an autoflower cultivar linked to OG Kush, with reported indica characteristics and citrus, earthy and pine notes.
Diamond Valley Kush
Diamond Valley Kush is a feminised hybrid cultivar linked to Diamond OG, with an earthy profile and reported THC of 18–24%.
Diesel
Diesel feminised seeds offer a 60% sativa profile with pungent diesel, citrus, berry and sweet flavours, suited to intermediate growers.
From $89.00
Diesel Duff
Diesel Duff is a feminised hybrid cultivar documented as Sour Diesel genetics, with reported THC of 18–24% and CBD of 0–1%.
Digweed
Digweed is a feminized, indica-reported cultivar with Afghani × Sweet Tooth lineage and earthy, berry flavour notes.
Dirty Girl
Dirty Girl is a feminised, sativa-reported cultivar with Cinderella 99 × Trainwreck lineage and citrus, earthy and pine notes.
Disney Blue
Disney Blue is a feminised hybrid cultivar documented with Blue Dream genetics, berry flavour and a THC range of 17–23%.
Do-si-Dos
Do-si-Dos feminised seeds offer an indica-dominant profile with earthy, floral, sweet and peppery flavours, flowering in 8–10 weeks.
From $99.00
Do-si-Dos Auto
Do-si-Dos Auto autoflower seeds offer an indica-leaning profile with sweet citrus, earthy and kush flavours, suited to beginner growers.
From $89.00
Dogwalker OG
Dogwalker OG is a feminised hybrid cultivar documented as Chemdawg x Albert Walker, with an earthy flavour profile.
Dogwalker OG Auto
Dogwalker OG Auto is an autoflower hybrid listed with Chemdawg x Albert Walker lineage and an earthy flavour descriptor.
Domino
Domino is a feminized cultivar described as indica, with reported THC levels of 16–22% and CBD levels of 0–1%.
Donna OG
Donna OG is a feminized hybrid cultivar linked to Larry OG, with earthy and pine notes and a reported THC range of 18–24%.
Donny Burger
Donny Burger is a feminised photoperiod cultivar with a 70% indica profile and pungent diesel, garlic, cheese and earthy flavours.
From $99.00
Doobiebird Daydream
Doobiebird Daydream is a feminised hybrid cultivar with documented Blue Dream genetics and a sweet, berry-led flavour profile.
Dosi Punch
Dosi Punch is a feminised, indica-reported cultivar with Purple Punch × Dosidos lineage and spicy, berry aroma notes.
Double Dream
Double Dream is a feminised hybrid cultivar documented as Blue Dream x Dream Star, with sweet and berry flavour notes.