STRAINS.
Register course interest
← Back to strains
Nebula cannabis flower, shown as a similar-cultivar reference for MK Ultra; not MK Ultra
Similar cultivarNebulaNot a photograph of MK Ultra

Cultivar record / mk-ultra

MK Ultra

MK Ultra is an indica cultivar with OG Kush and G13 in its recorded lineage. Reported characteristics include earthy, pungent and woody flavours and sleepy, relaxed and tingly effects.

Type
indica
THC
20%
CBD
<1%
Breeder
TH Seeds

Photography

No photo yet

We don't have an original photo of MK Ultra yet.

Cover reference: The photograph above shows Nebula, not MK Ultra. Similar cultivar profile to Nebula.

Have a photo of MK Ultra that you took yourself? Send it to [email protected].

Archive descriptors

Record notes

Only descriptors supported by both the archive record and supplementary cultivar data are listed here.

Reported feelings

Flavour notes

Terpenes

Genetics

Reported negatives

  • Dry Mouth
  • Dry Eyes

Reported sensory and character descriptors vary by phenotype, batch and individual experience. They are not medical guidance.

Overview

MK Ultra is a indica cannabis cultivar. MK Ultra is named after the CIA's Project MKUltra. It was awarded 1st place Indica at the 2003 High Times Cannabis Cup and 2nd place in 2004.

Genetics and lineage

The recorded lineage for MK Ultra lists OG Kush and G13. It was first bred by T.H. Seeds.

Flavour

Reported flavour notes include earthy, pungent and woody.

Reported character

Reported effects include sleepy, relaxed and tingly. Individual experiences vary.

Uncertainty and variation

This profile has no independently recorded aroma data. Cultivar names, potency and characteristics vary between growers, batches and phenotypes. The archive records a specific reviewed sample — it is not a current product specification.

This profile has no independently recorded aroma data. Cultivar names, potency and characteristics vary between growers, batches and phenotypes. The archive records a specific reviewed sample — it is not a current product specification.

Reported Effects of MK Ultra

Users most commonly report feeling sleepy, relaxed and tingly after consuming MK Ultra. These subjective effects are drawn from user-reported data and individual experiences vary considerably. The effects profile is influenced by the strain's dominant terpenes — Myrcene (aroma and mood), Caryophyllene (comfort and ease), and Limonene (freshness and energy) — as well as individual tolerance, consumption method and dosage.

Terpene Profile

The dominant terpenes recorded for MK Ultra are Myrcene (an earthy, musky profile commonly associated with relaxation and the classic sedative sensation), Caryophyllene (a spicy, peppery character associated with comfort and ease) and Limonene (a bright citrus note often linked to elevated mood). Terpene profiles can vary between phenotypes, growing conditions and curing methods.

For more on how terpenes influence the cannabis experience, see our guide to cannabis terpenes and browse the terpene directory.

MK Ultra Questions

What is MK Ultra?

MK Ultra is classified as indica. Its recorded parent strains are OG Kush and G13.

Is MK Ultra indica or sativa?

MK Ultra is recorded as indica. Most modern cultivars are hybrids with both indica and sativa ancestry, so individual experiences can vary.

How strong is MK Ultra?

The archive record notes THC 20% and CBD <1% for MK Ultra. Actual potency varies between batches, growers and phenotypes.

Is MK Ultra suitable for beginners?

At around 20% THC, MK Ultra sits in the moderate-to-strong range. Beginners should start low and go slow — a little often goes a long way. Individual tolerance varies considerably.

What does MK Ultra taste like?

The archive lists earthy, pungent and woody as flavour notes for MK Ultra.

What effects are reported for MK Ultra?

Community-reported effects include sleepy, relaxed and tingly. Individual experience varies considerably.

What are the potential downsides of MK Ultra?

Commonly reported side effects include dry mouth and dry eyes. These are self-reported and vary widely between consumers.

What terpenes are in MK Ultra?

The archive record lists myrcene, caryophyllene and limonene as terpenes associated with MK Ultra.

What is the genetic lineage of MK Ultra?

The recorded parent strains are OG Kush and G13. Lineage accounts can differ by breeder and source.

Is every MK Ultra sample identical?

No. Phenotype, cultivation methods, storage conditions and batch differences can materially change appearance, aroma, flavour and reported character. The archive records what was observed in specific samples — your experience may differ.