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
Kosher Kush
Kosher Kush feminised seeds offer an indica-dominant profile with earthy, pungent pine and spicy citrus flavours.
From $99.00
Kosher Tangie
Kosher Tangie is a feminised hybrid with documented Tangie x Kosher Kush lineage and citrus and pine flavour notes.
Kraken
Kraken is a feminised, indica-described cultivar with an earthy flavour profile and reported THC levels of 18–23%.
Kryptonite Auto
Kryptonite Auto is an autoflower cultivar with documented Killer Queen x Mendocino Purps lineage and an earthy, pine and sweet aroma profile.
Kush Cake
Kush Cake is a feminised hybrid listed as Cherry Pie × Girl Scout Cookies, with sweet and spicy flavour descriptors.
LA Confidential
LA Confidential feminised seeds offer an indica-dominant photoperiod profile with earthy, pine and woody flavours.
From $89.00
LA Confidential Auto
LA Confidential Auto autoflower seeds offer an indica-dominant profile with earthy, woody, herbal and pine flavours.
From $79.00
LA Woman Auto
LA Woman Auto is an autoflower hybrid entry with documented LA Confidential x Martian Mean Green lineage and earthy, pine notes.
Ladyburn 1974
Ladyburn 1974 is a feminised hybrid profile with documented Jack Herer genetics and earthy, spicy descriptive notes.
Lamb's Bread
Lamb's Bread feminised seeds offer a sativa-dominant Jamaican landrace profile with earthy, sweet citrus and herbal flavours.
From $79.00
Lamb's Bread Auto
Lamb's Bread Auto is a sativa-dominant autoflower with earthy, sweet citrus flavours and an 8–9 week flowering period.
From $99.00
Larry OG
Larry OG feminised seeds offer an indica-leaning profile with citrus, earthy and pine flavours, suited to temperate or hot, dry climates.
From $79.00
Laughing Buddha
Laughing Buddha is a feminised, sativa-reported cultivar with Jamaican and Thai lineage and earthy, spicy notes.
Lava Cake
Lava Cake is a feminized, indica-leaning cultivar with mint, pepper and vanilla notes and a reported 20–22% THC range.
Le Silver Royale
Le Silver Royale is a feminised hybrid cultivar reported with 17–23% THC and CBD levels ranging from 0–1%.
Legend OG
Legend OG feminised seeds are an indica-dominant photoperiod hybrid with pungent diesel, kush, woody and sour flavours.
From $89.00
Lemon Auto
Lemon Auto is a beginner-friendly autoflower with balanced sativa and indica genetics, citrus, earthy and pine flavours, and a 7–8 week flowering time.
From $89.00
Lemon Cherry Gelato
Lemon Cherry Gelato is a feminised, indica-leaning cultivar with sweet berry, cherry, citrus and lemon flavours and a 9–10 week flowering period.
From $99.00
Lemon Cherry Gelato Auto
Lemon Cherry Gelato Auto is an indica-leaning autoflower with sweet cherry, berry, citrus and lemon flavours, suited to intermediate growers.
From $99.00
Lemon Daddy
Lemon Daddy is a feminised hybrid with documented Super Lemon Haze and Granddaddy Purple lineage and a citrus flavour profile.
Lemon Drizzle
Lemon Drizzle is a feminised hybrid cultivar with documented Super Lemon Haze genetics and sweet citrus flavour notes.
Lemon Haze
Lemon Haze is a feminised, sativa-described cultivar with documented Lemon Skunk × Silver Haze lineage and citrus-sweet notes.
Lemon Jack
Lemon Jack is a feminised cultivar documented as Jack Herer × Lemon Kush, with a reported sativa phenotype and citrus flavour.
Lemon Skunk
Lemon Skunk feminised seeds offer a sativa-leaning, Skunk-derived hybrid profile with lemon, citrus and skunk flavours.
From $89.00
Lemon Tree
Lemon Tree is a feminised, balanced hybrid with lemon, citrus, diesel and sour flavours, suited to intermediate growers in hot, dry or temperate climates.
From $89.00
Liberty Haze
Liberty Haze is a feminised hybrid cultivar associated with G13 genetics, citrus and earthy notes, and a stated THC range of 17–23%.
Lithium OG Kush
Lithium OG Kush feminised seeds offer an indica-dominant profile with citrus, diesel, fruity, pine and kush flavours, flowering in 8–9 weeks.
From $79.00
London Pound Cake
London Pound Cake feminised seeds offer an indica-dominant profile with sweet berry, grape, citrus and vanilla flavours.
From $99.00
LSD
LSD feminised seeds are an indica-dominant photoperiod hybrid with earthy, citrus, skunk and pungent flavours for intermediate growers.
From $89.00
LSD Auto
LSD Auto is an indica-dominant autoflower with earthy, citrus and skunk flavours, suited to beginner growers.
From $79.00
MAC 1
MAC 1 feminised seeds offer a balanced 50/50 sativa-indica profile with spicy, woody, citrus, earthy and lemon flavours.
From $79.00
Mac 1 Auto
Mac 1 Auto is an autoflower hybrid profile linked to Alien Cookies, with citrus and sweet notes and listed THC of 19–24%.
Mac Burger
Mac Burger is a balanced feminized cultivar with diesel, earthy and spicy notes, plus a reported THC range of 24–28%.
Mafia Funeral
Mafia Funeral is listed as a feminised hybrid with a spicy flavour descriptor, 26% THC and 0% CBD.
Mag Landrace
Mag Landrace is a feminised, indica-reported cultivar with an earthy flavour profile and documented THC and CBD ranges.
Magic Beans OG
Magic Beans OG is a feminised, indica-phenotype cultivar with 19–20% THC and a documented citrus flavour descriptor.
Magnum Auto
Magnum Auto is a sativa-dominant autoflower seed with citrus, spice, sweet pine and pungent notes, flowering in around 8–9 weeks.
From $79.00
Mandala #1
Mandala #1 is a feminised hybrid cultivar with documented African genetics, berry notes and a stated THC range of 15–20%.
Mandarin Cookies
Mandarin Cookies is a feminized, indica-leaning cultivar with diesel-orange flavours and subjectively euphoric, relaxed effects.
Mango Haze
Mango Haze is a feminised, Haze-derived cultivar described as sativa in phenotype, with citrus flavour notes and 16–22% THC.
Marionberry Kush
Marionberry Kush is a feminised hybrid cultivar with documented Raspberry Kush and Space Queen lineage and a sweet berry profile.
Master Kush
Master Kush feminised seeds offer an indica-dominant profile with earthy, pungent pine flavours and beginner-friendly cultivation.
From $79.00
Master Kush Regular
Master Kush Regular is an indica-dominant, regular photoperiod cultivar with earthy, woody flavours and a 7–8 week flowering period.
From $79.00
Maui Auto
Maui Auto is an autoflower cultivar with documented Hawaiian genetics, a reported sativa phenotype and sweet citrus notes.
Maui Waui Auto
Maui Waui Auto is a sativa-dominant autoflower with sweet pineapple, citrus and spicy flavours, suited to hot, dry or temperate climates.
From $99.00
Mean Misty
Mean Misty is a feminized hybrid reported as Blue Dream x Secret Recipe, with listed THC of 17–23% and CBD of 0–1%.
Mendo Breath
Mendo Breath feminised photoperiod seeds offer an indica-dominant profile with earthy, sweet, nutty and vanilla flavours.
From $99.00
Merlot OG
Merlot OG is a feminised, indica-reported cultivar with SFV OG and Grape Ape lineage and earthy, berry flavour descriptors.