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Ultra Sour cannabis strain
hybrid

Ultra Sour

Legendary

Seeds by T.H.Seeds

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THC

15.3–17.57%

CBD

0.2%

Genetics Split

20% Indica
80% Sativa

Ultra Sour is a 10-11 week sativa (80%) with lemon-skunk flavors, 15.3-17.6% THC, and energetic creative effects.

Lineage

MK Ultra x ECSD

Mk Ultra × ECSD

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Effects

As reported by our data sources, most-cited first.

Terpene Profile

Relative levels from lab and source data.

Flavors & Aromas

As reported by our data sources.

May Help With

Uses reported by our data sources — not medical advice.

Terpene Fingerprint

Relative terpene levels from lab and source data

Myrcene
medium
Bisabolol
low
Camphene
low
Caryophyllene
low
Humulene
low
Limonene
low
Pinene
low

THC in this profile

17.57% THC

0%35%

Growing Information

Flowering Time

10–11 weeks

Difficulty

moderate

Height (Indoor)

100-150cm

Yield (Indoor)

500 g/m²

About Ultra Sour

For sativa lovers seeking sour, complex flavor, Ultra Sour delivers through MK Ultra x ECSD parentage. This 80% sativa finishes in a demanding 10-11 weeks of flowering, reaching 100-150cm while yielding 500 g/m². Moderate difficulty suits experienced growers comfortable with extended timelines. Lemon and skunk flavors announce the strain loudly, complemented by the uplifted, energetic, creative high. At 15.3-17.6% THC, this is cerebral without overwhelming potency. The hunger-inducing effects make this strain popular with medical patients and afternoon users seeking long-lasting mental engagement.

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Frequently Asked Questions about Ultra Sour

Is Ultra Sour an Indica, Sativa, or Hybrid?

Ultra Sour is classified as a hybrid cannabis strain bred from a genetic cross of Mk Ultra × ECSD.

What cannabinoid content is reported for Ultra Sour?

Ultra Sour: 17.6% THC and 0.2% CBD reported in our data. The THC figure, when present, is the upper end of the reported range, not a typical measured dose. Potency can vary across harvests, phenotypes, and growing conditions.

What are the common effects of Ultra Sour?

Our data sources report these effects for Ultra Sour: euphoric, creative, energetic, happy. Individual experiences vary.

What does Ultra Sour taste and smell like?

Our data sources list flavors of citrus, diesel, lemon and terpenes such as Bisabolol, Camphene, Caryophyllene for Ultra Sour.

If You Like Ultra Sour, Try...

Shared reported terpene or flavor notes; effects may differ

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Data from 10 sources: kushy-api, kaggle-leafly, lab-terpenes, cannaconnection, wikileaf, analytical360, psilabs, leafly.com, allbud.com, seedfinder