Synonyms: Meun Sri
Genetics: Southern Thai Landrace
Type: Point of Origin, Open Pollinated
Style: Ganja, Seeded Flowers
Farmer: Undisclosed
Sourcing: Piano (2021, 2022)
District: Tha Sala
Province: Nakhon Sri Thammarat
Area: Khao Luang Massif
Region: Southern Thailand
Appellation: Tha Sala
Country: Thailand

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Cultivation Details:

Regional Planting: July - September
Regional Harvest: January - March
Height: 2-3 metres
Classification: NLD type Landrace Population

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Description:

The Tha Sala landrace, also known locally as Meun Sri, is a classic Southern Thai ganja variety, long revered for its vigorous growth, towering stature, and powerful effects. It is a true heirloom expression of Thailand’s equatorial cannabis heritage, cultivated for generations in the lowland and foothill regions surrounding the Khao Luang Massif.

Tha Sala plants develop long, lanky branches, narrow leaflets, and an open floral structure, allowing them to thrive in humid, tropical conditions. The terpene profile is dominated by spicy, woody, and citrus notes, with a distinctive incense-like character that has made Southern Thai landraces legendary.

The psychoactive effects are euphoric, long-lasting, and deeply cerebral, characteristic of traditional high-energy Thai sativas. Unlike many contemporary hybrids, Meun Sri exhibits no ceiling on its effects, making it a prized choice among those seeking an authentic, unadulterated landrace high.

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Context:

Tha Sala district stretches from the Gulf coast into the eastern valleys of the Khao Luang Massif. It was once a center of Southern Thai cannabis cultivation, producing some of the region’s finest seeded ganja for local use and small-scale export.

Scattered plots of Meun Sri were a familiar sight among the lowlands and foothills, closely tied to traditional 'Mor Samut' healers and rural communities shaped by isolation, self-reliance, and decades of insurgency.

By the 1990s, cultivation persisted at a small scale, but by the early 2000s, government eradication campaigns, urban expansion, and shifting laws had sharply reduced the landrace’s footprint.

A brief resurgence followed legalization in the 2020s, but it quickly collapsed as farmers struggled to compete in a market flooded with imported hybrids. Today, pure Meun Sri survives, if at all, only through the efforts of a few remaining traditional farmers. Our own fieldwork has yet to locate any fully intact populations.

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Accession Details:

Tha Sala ‘Meun Sri 1990’ Vintage Accession (2021)
Notes: Sourced by Piano
Type: Domesticate landrace accession
Altitude: 200m

Tha Sala ‘Meun Sri 2010’ Vintage Accession (2021)
Notes: Sourced by Piano
Type: Domesticate landrace accession
Altitude: 200m

Tha Sala ‘Mor Samut’ Accession (2022)
Notes: Sourced in situ by Éloïse and Isabella from friends in Na Thon village in 2025. In turn these friends got these seeds from landrace grown by the local ‘Mor Samut’ in 2022. This accession has large seeds.
Type: Domesticate landrace, general population
Altitude: 200m

Tha Sala ‘Na Thon’ General Population (2022)
Notes: Sourced in situ by Éloïse and Isabella from friends in Na Thon village in 2025. The seeds come from a plot of open pollinated local landrace grown in 2022 by our friends and are much smaller in size
Type: Domesticate landrace, general population
Altitude: 200m

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Current Status:

The Tha Sala Meun Sri population is critically endangered. No active fields have been identified during recent fieldwork, and only a few traditional stewards - Mor Samut still grow plants occasionally, when stocks of dried flowers run out .

Preservation efforts now rely entirely on seeds collected between 2021 and 2025.

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Tha Sala

Name: Tha Sala
Brand: Zomia Collective

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