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Home›Strains›Sativa›Cactus Jack
Cactus Jack strain photo 1iPhoto: AllBud
Sativa

Cactus Jack

Cactus Jack is a sativa-leaning cross of Jack Herer and a strain called Cactus, with a lemon, pine and pepper smell and an upbeat, creative reputation.

Reported THC
18%
Typical CBD
<1%
Read the Cactus Jack guide

How people describe it

HappyUpliftedEuphoricCreativeEnergetic

Smell and taste

LemonPineSpicySweet

Family tree

Jack Herer×CactuscrossCactus Jack

Cactus Jack strain guide

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

Cactus Jack is a sativa-leaning cross of Jack Herer and a strain called Cactus. It's a lesser-known name, but the reviews that exist describe a lemon, pine and pepper smell and an upbeat, creative feel. Published data on it is thin, so treat the details as a starting point.

Where does Cactus Jack come from?What does Cactus Jack smell and taste like?Cactus Jack effects: what people reportHow strong is Cactus Jack?Buying Cactus Jack in CanadaCactus Jack vs Jack HererStrains like Cactus Jack

Where does Cactus Jack come from?

Two strain databases both list Cactus Jack as a cross of Jack Herer and Cactus. One listing names Sour Diesel as a parent in one field while describing the Jack Herer and Cactus cross in its text, so the record isn't perfectly clean.

The breeder isn't documented, and little is published about the Cactus parent itself. The Jack Herer side is the part you can count on.

What does Cactus Jack smell and taste like?

Reviewers describe sweet lemon, pine and spice, with some calling it close to a pine cleaner. The flavour is usually earthy and peppery with citrus on top, and one reviewer compared it to tequila with a jalapeño kick.

No source we found publishes a terpene profile for Cactus Jack, so we won't guess at one.

Cactus Jack effects: what people report

People most often call Cactus Jack happy, uplifted and energetic, with a creative, talkative side. Some also describe it as mellow and focused rather than racy.

These are experiences people report, not promises. How it feels depends on the product, how much you have and your own tolerance. Dry mouth and dry eyes are the usual complaints, and one reviewer found it milder than its label suggested.

How strong is Cactus Jack?

Only one published listing gives a THC figure, at about 18%, with very little CBD. That suggests a moderate strain by today's standards, but one number isn't much to go on.

The THC and CBD numbers printed on your product's label are the ones that count. If you're new to it, start small and wait before having more.

Buying Cactus Jack in Canada

Cactus Jack is uncommon, so if you see it, read the label closely for the THC and CBD numbers and the packaging date. With so little published about it, the label is your best guide to what's in the jar.

Cactus Jack vs Jack Herer

Jack Herer is the well-documented parent here, a classic sativa-leaning strain known for pine, spice and a clear, upbeat feel. Cactus Jack shares the pine and spice and adds more lemon and pepper. Jack Herer is usually listed as the stronger of the two and has far more reviews behind it. If you want the proven original, go with Jack Herer. If you're curious about a rarer offshoot with a peppery twist, try Cactus Jack.

Strains like Cactus Jack

If you like Cactus Jack, these are the closest matches:

  • Jack Herer: its parent, with pine, spice and an upbeat reputation.
  • Super Jack: another Jack Herer cross with a bright, energetic feel.
  • Lemon Jack: Jack Herer with extra lemon, close to Cactus Jack's citrus side.
  • J1: a Jack Herer relative with a clear, sativa-leaning profile.

Strains similar to Cactus Jack

Jack Herer strainJack HererTHC 15–22%Super Jack strainSuper JackTHC 16–24%Lemon Jack strainLemon JackTHC 17–21%J1 strainJ1THC 16–24%

More sativa strains

Cannalope Haze strainCannalope HazeTHC 14–28%Chocolate Thai strainChocolate ThaiTHC 12–16%Chocolope strainChocolopeTHC 12–22%Clementine strainClementineTHC 17–25%

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Cactus Jack questions

Is Cactus Jack indica or sativa?

Cactus Jack is a sativa. It is a cross of Jack Herer and Cactus.

How strong is Cactus Jack?

Published lab results are scarce, but put it around 18% THC, and the label on any legal Canadian product shows its exact batch.

What does Cactus Jack smell like?

Lemon, pine, spicy and sweet.