Ultra Sour strain illustration

Ultra Sour

Sativa
4(71)
Type
Sativa
THC
14.4%–18.8%
CBD
—
Main terpene
Myrcene
Parents
MK Ultra × ECSD

THC range is the middle half of 3 public lab tests of Ultra Sour flower (2021–2021). Source: Cannlytics lab results, CC BY 4.0.

About Ultra Sour

Ultra Sour is a sativa-leaning strain that comes from a cross of MK Ultra with ECSD. People who try it most often describe feeling uplifted, creative and energetic.

THC and potency

Public lab results give a good picture of its strength: 3 flower samples tested in 2021 came in at a median of 18.7% total THC (the middle half ranged from 14.4% to 18.8%). That is in line with most flower on Canadian shelves. Potency varies by grower and batch, so always check the label.

Aroma, flavour and terpenes

Its reported terpene profile is led by myrcene, with caryophyllene and limonene. Myrcene is known for earthy, musky notes with a ripe-fruit edge, while caryophyllene adds black pepper and warm spice. Consumers most often describe the flavour as lemon, lime and diesel.

Reported effects

Beyond feeling uplifted, reviewers also mention feeling happy and talkative. Some consumers say they reach for it when dealing with depression, stress and fatigue. The side effects mentioned most are anxiety, dizziness and dry eyes. These are personal reports, not medical advice.

Ultra Sour in Canada

Our Canadian catalogue lists 28 products made with Ultra Sour, mostly flower and pre-rolls, from brands including DOJA, Albert Einstone's, Edison Cannabis Co. and BIG. Availability differs by province and store.

Genetics

Parents: MK Ultra and ECSD.

Ultra Sour terpenes

Relative strength as reported by consumers.

  • myrceneEarthy, musky
  • caryophyllenePepper, spice
  • limoneneCitrus
  • humuleneWoody, hoppy
  • pinenePine

Ultra Sour effects

upliftedcreativeenergetichappytalkativefocusedhungrygiggly

Ultra Sour products in Canada

28 products in our Canadian catalogue; the most recently updated are shown.

Strains similar to Ultra Sour

Matched on reported effects, terpenes and type.

Cannalope Haze strain illustrationCannalope HazeSativaAgent Orange strain illustrationAgent OrangeHybridMaui Wowie strain illustrationMaui WowieSativaGrapefruit cannabisGrapefruitSativaSuper Silver Haze cannabisSuper Silver HazeSativaLemon Meringue strain illustrationLemon MeringueSativa

Ultra Sour FAQ

How strong is Ultra Sour?
In 3 public lab tests, Ultra Sour flower had a median of 18.7% total THC; most samples were between 14.4% and 18.8%.
Is Ultra Sour an indica or a sativa?
Ultra Sour is generally classed as a sativa.
What strains make Ultra Sour?
Ultra Sour is a cross of MK Ultra and ECSD.
What does Ultra Sour smell like?
Its main terpene is myrcene (earthy, musky), and people describe the flavour as lemon, lime, diesel.
Can I buy Ultra Sour in Canada?
Yes. Our Canadian catalogue lists 28 Ultra Sour products; availability varies by province and store.