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Tall (140cm plus) Cannabis Seeds
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Tall 140cm plus indoor height cannabis seed strains are mostly sativa-leaning that love to stretch upwards, often hitting or sailing past 140 centimetres. Their genetics come from hot, sunny spots near the equator, where they learned to grow tall and lanky to chase the light.
Photoperiod types can easily push over two metres inside, and plenty of hybrids with a strong sativa side also shoot up impressively.
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What makes these strains reach for the ceiling
These tall strains get their height from sativa genes that started life near the equator, where plants had to stretch hard to grab every bit of sunlight.
That background left them with long gaps between branches, a love of growing upwards, and a natural urge to keep climbing.
Photoperiod plants in this bunch usually tower over autoflowers, often topping two metres. Hybrids that mix sativa with other types can also get pretty tall, though how high they go depends on which side of the family tree wins out.
Basically, these strains still carry the jungle instinct to compete for light, and that habit sticks around no matter what.
Standout examples of tall indoor height strains
Amnesia Haze is a sativa classic that hits around 140 centimetres. It's packed with exotic smells, think cardamom, lime, marjoram, and a hint of mandarin toffee, and the buds get covered in sparkly trichomes.
The plant loves warmth and sunshine, and its zesty citrus, spice, and earthy haze notes are pure sativa through and through. There's also an autoflower version.
Moby Dick is a sativa-leaning hybrid born from White Widow and Haze, and it reaches between 120 and 140 centimetres. The flavours lean towards pine, haze, and citrus, and its sheer size has made it a favourite.
Royal Moby, which is 65 per cent sativa from Royal Queen Seeds, shares the same Haze and White Widow parents and gets up to 140 centimetres.
Giant White Haze is a sativa-dominant strain that easily clears two metres. It brings together Haze and the Amsterdam favourite White Widow, delivering serious height.
The plant smells earthy and piney, just like is expected from a tall sativa. Green Gelato, which leans slightly towards indica thanks to its Sunset Sherbet and Thin Mint Girl Scout Cookies parents, still manages an impressive 120 centimetres, proving that even hybrids with some indica in the mix can get tall.
Monster is a hybrid with 80 per cent sativa genetics and 20 per cent THC, reaching around 120 centimetres and showing off a seriously tall frame. Power Plant, a legendary sativa-leaning strain from South African roots, shoots past six feet.
Blue Dream, a hybrid of Blueberry and Haze, gets tall and delivers. TrainWreck, AK-47, and Maui Wowie are all great sativa strains that with that extra height.
Tall (140cm plus) Frequently Asked Questions
Tall strains are usually sativa-leaning plants with genes from near the equator, where they evolved to stretch towards intense sunlight. Those traits stick around so they can get higher than 140 centimetres indoors.
Early cannabis was tall and lanky, so breeders crossed plants over and over to create shorter, bushier versions that fit indoors more easily.
Amnesia Haze, Moby Dick, Royal Moby, Giant White Haze, Green Gelato, Monster, Power Plant, Blue Dream, TrainWreck, AK-47, Maui Wowie, and Lemon Shining Silver Haze all reach or sail past 140 centimetres.
Hybrids vary depending on their genetic mix, usually landing between 100 and 200 centimetres. Some with strong sativa influence, like Blue Dream and Green Gelato, can get pretty tall.
Tall sativas often smell of zesty citrus, spice, earthy haze, pine, cardamom, lime, marjoram, and mandarin. Amnesia Haze, for instance, has exotic cardamom, lime, marjoram, and mandarin toffee notes.
Indicas are usually shorter and bushier, mostly between two and four feet. But some indica-leaning hybrids like Green Gelato can hit 120 centimetres, getting close to the 140-centimetre mark.
Photoperiod strains can easily top two metres, with some like Giant White Haze clearing that height. Outdoors, strains like Moby Dick can reach 3.5 metres or more.
Short Stuff specialises in compact autos, Royal Queen Seeds offers Royal Dwarf and Quick One, and Dutch Passion has Kerosene Krash and Auto Blackberry Kush.
Tall sativa-leaning strains often have longer flowering times than shorter indicas. Amnesia Haze, for example, flowers for nine to eleven weeks indoors, which is typical for sativa genetics.
Tall strain genetics come from equatorial environments, where plants evolved to compete for light in dense canopies. Those traits stay strong, so these are naturally tall, lanky plants with long gaps between branches and vigorous upward growth.