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Home›Strains›Sativa›Purple Thai
Purple Thai strain photo 1iPhoto: Leafly community
Sativa

Purple Thai

Purple Thai is a sativa-leaning cross of Highland Oaxacan Gold and Chocolate Thai, known for an earthy, chocolate and coffee smell and an upbeat, focused feel.

Typical THC
17–24%
Typical CBD
<1%
Top terpene
Myrcene
Read the Purple Thai guide

Purple Thai terpenes

Most often reported first

  1. Myrceneearthy, musky
  2. Caryophyllenepepper, spice
  3. Humulenewoody, hoppy

How people describe it

UpliftedFocusedHappyCreativeEnergetic

Smell and taste

EarthyChocolateCoffeeWoody

Family tree

Highland Oaxacan Gold×Chocolate ThaicrossPurple Thai

Purple Thai photos

iPhotos from the Leafly community. Every grower's batch looks a little different.
Purple Thai strain photo 3
1 / 9iPhoto: Leafly community

Purple Thai strain guide

3 min read · Updated October 14, 2026 · WeedDB editors

Purple Thai, also called Oregon Purple Thai or OPT, is a sativa-leaning cross of Highland Oaxacan Gold and Chocolate Thai. People know it for an earthy, chocolate and coffee smell and an upbeat, focused feel. It's also listed as a parent of Purple Haze.

Where does Purple Thai come from?What does Purple Thai smell and taste like?Purple Thai effects: what people reportHow strong is Purple Thai?Buying Purple Thai in CanadaPurple Thai vs Chocolate ThaiStrains like Purple Thai

Where does Purple Thai come from?

Purple Thai is usually given as a cross of Highland Oaxacan Gold, a Mexican sativa, and Chocolate Thai, a classic Thai sativa. Several strain databases's family trees all point to that pairing. Its other name, Oregon Purple Thai, hints at where it was grown, but no breeder or release date is well documented.

One strain database lists Purple Haze among its offspring. The name has also been used for other plants, including at least one seed line with an Afghani parent, so Purple Thai is not a single fixed line.

What does Purple Thai smell and taste like?

Purple Thai smells earthy and woody, with chocolate and coffee notes that come from its Chocolate Thai side. Reviewers also mention citrus, berry, spice and a little incense, and some describe a nutty taste on the exhale. The buds are often airy and green with purple undertones.

Myrcene leads its published terpene results, followed by caryophyllene and humulene. Myrcene brings an earthy, herbal tone, caryophyllene a peppery edge and humulene a dry, woody note.

Purple Thai effects: what people report

People most often describe Purple Thai as uplifted, focused and happy, with a quick, heady start. Many call it energizing and creative, which fits its sativa background. A few reviewers say the high is fairly short, and some find it sleepy later on.

These are experiences people report, not promises. How it feels depends on the product, how much you have and your own tolerance. Dry mouth, dry eyes and dizziness are the most common complaints, and some mention feeling paranoid at higher amounts.

How strong is Purple Thai?

Published listings put Purple Thai at about 17% to 24% THC, with very little CBD. Most reports land around the low 20s.

If you're new to it, start with a small amount and give it time before having more. Several reviewers suggest one puff and a pause for first timers. The THC and CBD numbers for your batch are on the label, and they matter more than the strain name.

Buying Purple Thai in Canada

Look for Highland Oaxacan Gold and Chocolate Thai on the label or product listing, since other plants have been sold under the same name. You may also see it listed as Oregon Purple Thai or OPT.

Check the THC and CBD numbers and the packaging date. Fresher flower holds more of that chocolate and earth smell.

Purple Thai vs Chocolate Thai

Chocolate Thai is one of Purple Thai's parents, an old Thai landrace known for coffee and cocoa notes. Purple Thai keeps that chocolate side but adds more earth, wood and a touch of fruit from its Mexican parent. It's also usually listed several points higher in THC. Both get called focused and uplifting, so the choice comes down to strength and smell.

Strains like Purple Thai

If you like Purple Thai, these are the closest matches:

  • Chocolate Thai: one of its parents, with the same coffee and chocolate notes.
  • Thai: the classic landrace line behind its Thai side.
  • Purple Haze: listed as one of its offspring, with a sweeter, berry smell.
  • Chocolope: another Chocolate Thai descendant with a coffee and sweet smell.

Strains similar to Purple Thai

Chocolate Thai strainChocolate ThaiTHC 12–16%Thai strainThaiTHC 19–24%Purple Haze strainPurple HazeTHC 14–19%Chocolope strainChocolopeTHC 12–22%

More sativa strains

Red Congolese strainRed CongoleseTHC 18–23%Sour Diesel strainSour DieselTHC 18–24%Sour Haze strainSour HazeTHC 19–26%Sour Tangie strainSour TangieTHC 18–26%

Guides to read next

Purple weed: why some cannabis turns purplePurple cannabis gets its colour from anthocyanins, the same family of pigments that colour blueberries and red cabbage. Genetics decide whether a plant can make them, cool nights and late flowering let them show, and the colour says nothing reliable about strength.Growing weed in Canada: the 4-plant rule by provinceThe federal Cannabis Act lets adults grow up to four cannabis plants per residence for personal use, but each province sets its own extra rules. Quebec bans home growing outright, and Manitoba only allowed it, indoors, from May 1, 2025. Seeds and plants must come from a legal source.How to decarb weed (and why THCA needs heat)Decarbing (decarboxylation) is gently heating cannabis so the THCA it contains turns into THC. Lab studies show the change starts around 90 °C and speeds up sharply as temperature rises, but too much heat or time then starts to destroy THC, so it's a balance. Raw weed isn't intoxicating because it's mostly THCA.

Purple Thai questions

Is Purple Thai indica or sativa?

Purple Thai is a sativa. It is a cross of Highland Oaxacan Gold and Chocolate Thai.

How strong is Purple Thai?

Published lab results usually range from 17% to 24% THC, and the label on any legal Canadian product shows its exact batch.

What does Purple Thai smell like?

Earthy, chocolate, coffee and woody, led by myrcene (earthy, musky).