
THC
15.3–17.57%
CBD
0.2%
Genetics Split
Ultra Sour is a 10-11 week sativa (80%) with lemon-skunk flavors, 15.3-17.6% THC, and energetic creative effects.
Effects
As reported by our data sources, most-cited first.
Terpene Profile
Relative levels from lab and source data.
May Help With
Uses reported by our data sources — not medical advice.
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Terpene Fingerprint
Relative terpene levels from lab and source data
THC in this profile
17.57% THC
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.
Where to Buy Seeds
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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

