Thai is a pure sativa landrace cannabis strain native to Thailand, known for a clear, energetic, focused high and an earthy, citrus and tea-like flavor. It reached the United States in the 1970s and 1980s, often as Thai sticks, buds tied around a stem to dry. Modern listings put it around 19 to 24% THC, and its genes sit behind many classic hybrids, including the Haze family.
Thai Strain at a Glance
| Type | Pure sativa landrace |
|---|---|
| Also known as | Thai Stick, Thailand |
| Breeder / origin | Landrace native to Thailand; no single breeder |
| THC | 19–24% (typical lab range) |
| CBD | Under 1% |
| Dominant terpenes | Beta-caryophyllene, Myrcene, Limonene |
| Aroma and flavor | lemon, citrus, wood, spice, earth, tobacco, tea, earthy, herbal |
| Reported effects | focused, energetic, creative, euphoric |
| Best for | daytime use, creative work, fans of classic sativas |
| Flowering time | Long; slow to flower |
Where Thai Comes From
Thai is not a bred strain but a family of sativas native to Thailand, grown there for generations. AllBud describes Thai as a group of strains descending from a Thai sativa landrace, and Leafly calls it a pure sativa landrace. Both note that the name Thai Stick comes from the way farmers traditionally dried the buds by tying them into sticks. Leafly says the strain came to the U.S. in the 1970s and 1980s, when Thai sticks were prized for their strength.
Thai genetics then went into some of the best-known hybrids of the era. AllBud names Haze, Voodoo and Juicy Fruit as strains derived from Thai lines, and Leafly lists Amnesia Haze and Northern Lights among its descendants. Because Thai is a regional landrace rather than one cut, seeds and flower sold as Thai today can vary a lot.
We already cover two newer Thai-based strains, Thai-Tanic and Lemon Thai. This page is about the original landrace.
Thai Effects: What It Feels Like
Leafly reviewers most often describe Thai as focused, energetic and creative. AllBud calls the high cerebral and energizing, powerful but calming, and reviewers mention a clear head and steady energy. Leafly’s description sums it up as strong but comfortable.
This is a classic heady sativa, best used during the day. Many people find it great for creative work, walks or conversation. The flip side is that pure tropical sativas can push some users into racing thoughts, so it is worth starting with a small amount.
Thai Terpenes, Aroma and Flavor
Leafly users tag the flavor as tobacco, tea and earthy, while Leafly’s description and AllBud both point to a distinct lemon and citrus scent. AllBud also lists pine, spice, wood and herbal notes. Expect an old-school, earthy and woody smoke with a citrus lift, rather than the candy flavors common in modern hybrids.
Leafly lists caryophyllene as the dominant terpene, followed by myrcene and limonene. Caryophyllene fits the spicy, woody side, myrcene the earth, and limonene the lemon note.
- Beta-caryophyllene: peppery and spicy, also found in black pepper and cloves
- Myrcene: earthy, musky and herbal, also found in mango and hops
- Limonene: bright citrus, also found in lemon and orange peel
Terpene levels vary from grower to grower and batch to batch, so check the lab label on the package. Learn more in our guide to cannabis terpenes.
Side Effects and How to Use Thai
Leafly reviewers most often mention anxiety, dry mouth and dry eyes. AllBud reports few negatives overall, but one reviewer described racing thoughts strong enough to bring on a headache, and another felt nauseous after heavy use. Keep doses modest, especially if strong sativas tend to make you anxious.
If you are new to Thai, start with one small inhalation or 2.5 mg in an edible and wait before taking more; see our dosing guide.
Do People Use Thai for Medical Reasons?
Leafly readers most often say they reach for Thai during stress (29%), depression (27%) and anxiety (22%), and AllBud users mention fatigue and low mood. Because it can be stimulating, some people prone to anxiety may not enjoy it. These are anecdotal reports, not clinical evidence.
These are user reports, not clinical findings. For what research actually supports, see our cannabis health and research section, and talk to your doctor before using cannabis for a health condition.
Growing Thai
- Difficulty: Difficult
- Flowering: Long; slow to flower
- Yield: Not documented
- Height: Tall
- Environment: Tropical climates or greenhouse
Leafly says Thai is hard to grow outside tropical climates. Greenhouse growing makes it possible, but it has a long growth cycle and slow flowering. AllBud’s reviewers describe big plants. A long, late finish rules out outdoor growing in short, wet northern seasons, so most growers outside the tropics will need a greenhouse or an indoor space with room for height.
Home-grow rules depend on the state: adults can grow at home in states such as California (six plants per residence), Michigan (12 per residence) and Oregon (four per household), while Washington and Illinois allow home growing only for registered medical patients. Check your state in our cannabis laws by state guide before you plant anything.
Strains Like Thai
- Thai-Tanic: a Thai-based modern hybrid
- Durban Poison: another pure sativa landrace
- Amnesia Haze: a Haze descendant with Thai roots
- Super Silver Haze: a Haze-family sativa
- Panama Red: another classic imported sativa
- Acapulco Gold: another landrace-era classic
Browse more sativa strains, the full strain directory, or our guide to cannabis strains.
More Sativa Strains to Explore
Thai-Tanic · The Creature · Titan Express · Tangie · Tangerine Dream · Swazi Gold · All sativa strains
Where to Buy Thai
Dispensary menus change every week, and Thai may be sold under its own name, as a cross or as a pre-roll or vape. The fastest way to find it is to check store menus online before you go. In Medford, browse Medford dispensaries and check the menus at stores like Emerald Triangle McAndrews and Mr. Nice Guy Medford. In Vancouver, browse Vancouver dispensaries and check the menus at stores like High End Market Place and Main Street Marijuana North. You can also browse licensed dispensaries in every state we cover. Adults 21 and older can buy with a valid photo ID; see cannabis laws by state for purchase limits.
Thai FAQ
Is Thai indica or sativa?
It is a pure sativa landrace from Thailand.
What is a Thai stick?
Thai buds traditionally dried by tying them around a stick or stem, which is where the nickname Thai Stick comes from.
How strong is Thai?
Leafly lists about 19% THC and AllBud 20 to 24%, but landrace flower varies a lot from batch to batch.
What does Thai taste like?
Earthy, woody and tea-like, with a lemon and citrus scent.
What strains come from Thai?
AllBud names Haze, Voodoo and Juicy Fruit, and Leafly lists Amnesia Haze and Northern Lights among its descendants.
For adults 21+ in legal states. Strain information reflects breeder descriptions, lab data and user reports; effects vary by person and batch. Not medical advice.