Amnesia Haze by The Plant

Amnesia Haze strain photo
Type mostly sativaFlower ±67 daysCross Amnesia Haze

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Amnesia Haze is a legendary, sativa-dominant cannabis strain that holds a cornerstone position in Dutch coffee shop culture and global breeding history. Emerging during the mid-to-late 1990s in the Netherlands, the strain's history is deeply tied to the broader "Haze" movement, which sought to capture the intense, soaring psychoactive effects of original Haze genetics while making them viable for indoor cultivation. While the Amsterdam breeding scene was highly collaborative, Soma Seeds is widely credited with refining, stabilizing, and popularizing the definitive version of Amnesia Haze that became an international benchmark when released in 2003.

The genetics of Amnesia Haze represent an intricate and masterful blend of landrace strains from around the world. Soma’s iconic iteration is generally recognized as a cross involving Southeast Asian Sativas (such as Thai, Cambodian, and Laotian landraces) which provide the strain’s euphoric, soaring "Haze" character. This is combined with uplifting Jamaican genetics and a crucial Afghani-Hawaiian addition. The Afghani-Hawaiian influence was pivotal, as it added structural body balance, improved bud density, and significantly shortened the notoriously long flowering time of pure Haze varieties, making it far more accessible to growers.

The impact of Soma Seeds' Amnesia Haze on the cannabis industry is monumental. After dominating competition podiums—most notably winning 1st Place at the High Times Cannabis Cup in 2004 and the Sativa Cup in 2012—it quickly achieved cultural icon status. By the mid-2000s, it had become an absolute staple in Amsterdam coffee shops. Its incredible longevity in maintaining high demand for over two decades without rebranding is incredibly rare. Today, its unique citrus, earthy, and spicy terpene profile continues to serve as a vital building block for countless modern hybrids globally.

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Similar strains

Northern Lights 5 HazeThe Plant · ±70 daysBanana SplitThe Plant · ±63 daysWhite WidowThe Plant · ±60 daysSour DieselThe Plant · ±63 daysOG KushThe Plant · ±56 daysCheeseThe Plant · ±56 daysAuto Future #1Anesia Seeds · ±67 daysCherry WhiteCabin Fever · ±67 daysChizpaPositronics · ±67 daysChocodopeVictory Seeds · ±67 daysChocolate HazeRoyal Queen · ±67 daysChocolate HazeAnesia Seeds · ±67 daysAll The Plant →
BreederThe Plant
Typemostly sativa
Flowering time±67 days
EnvironmentOutdoors
LineageAmnesia Haze

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🧬 Explore the family: Amnesia Haze

Ancestry Pedigree

Amnesia Haze
Soma Seeds
Afghani Hawaiian
Unknown or Legendary
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Hawaii Hybrid
Original Strains
Laos Sativa
Original Strains
Jamaica Sativa
Original Strains

Growing Amnesia Haze: what to expect

As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Amnesia Haze will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Amnesia Haze FAQ

How long does Amnesia Haze take to flower?

Amnesia Haze typically flowers in around 67 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Amnesia Haze an indica or a sativa?

Amnesia Haze is listed as mostly sativa.

What are the parents of Amnesia Haze?

Amnesia Haze was bred from Amnesia Haze by The Plant.

What environment does Amnesia Haze like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Amnesia Haze? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.