Ultra Sour Chem OG
OG Chem × OG Sour F4
Ultra Sour Chem Og is a modern Indica cultivar praised for its intense diesel aroma layered with sour citrus notes and a classic OG grounding. This strain offers a complex profile that appeals to connoisseurs seeking potent, gas-forward cannabis with a balanced experience.
Appearance
This cultivar typically features dense, medium-sized conical buds that exhibit tightly stacked calyxes, characteristic of OG genetics. The coloration ranges from bright lime to deep forest green, often highlighted by saffron or copper pistils and a heavy coating of trichomes. The bud structure is dense and resinous, with a look that suggests high potency.
Aroma & Flavor
The aroma is dominated by a powerful diesel and fuel bouquet, with sharp, solvent-like citrus and sour notes. Underlying this are hints of chemical funk, pine, and a subtle floral undertone. The flavor profile mirrors the aroma, delivering tart citrus, diesel vapors, earthy pine, and a lingering chem funk with a faint floral sweetness on the exhale.
The mouthfeel is often described as full and oily due to high resin content, with a prickly sensation from the sour-citrus terpenes. A warm, peppery spice may also be present, contributing to a complex sensory experience.
Effects
Users report a calming yet cerebral experience, often described as energetic and tingly. This strain is noted for its ability to induce a sense of tranquility without being overly sedating, promoting a balanced state that can be both uplifting and grounding. The effects are generally considered organized and functional rather than chaotic.
Terpenes & Cannabinoids
Dominant terpenes often include Caryophyllene and Limonene, contributing to the diesel and citrus notes, respectively. Myrcene and Linalool may also be present, adding to the overall aroma and potential body effects. This strain is typically high in THC, with levels commonly ranging from 20-25%, and contains minimal CBD (less than 1%).
Origins & Lineage
Ultra Sour Chem Og is a hybrid strain believed to be a cross between OG Chem and OG Sour F4. It draws from the potent Chem lineage, the zesty Sour genetics, and the classic OG Kush backbone, aiming to combine high-THC potency with a complex aromatic and flavorful profile.
Growing
This cultivar is expected to have a moderate growth difficulty, with a flowering time typical of OG and Sour hybrids, often around 8-10 weeks. The plant structure is described as moderately lanky in early flower, with predictable stretch, producing dense, resinous buds. It is noted for good resin production, making it suitable for concentrate extraction.