The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 7154Indica

Unobtainium

OG Kush × Chem Dawg

Unobtainium is a rare indica cultivar celebrated for its scarcity and potent effects, often associated with elite OG and Chem genetics. Its name reflects its hard-to-source nature, adding to its allure within the cannabis community.

May help withStress
AromaCitrusCreamDieselEarthHerbalLemonOrangePinePepperFuel

Appearance

Unobtainium typically produces medium-density buds in golf-ball to small-spear shapes. The flowers display lime to olive green hues with darker forest green accents, and mature pistils range from tangerine to rust. Narrow sugar leaves may exhibit a faint silvering due to abundant trichome coverage, which forms a matte frost.

The calyx-to-leaf ratio is favorable, contributing to trim efficiency. Buds often finish with rounded, chunky tops, though some phenotypes may show light foxtailing under intense heat or light. Resin heads are plentiful, giving the buds a distinct, glittering appearance.

Aroma & Flavor

The aroma of Unobtainium is characterized by high-test fuel notes, reminiscent of diesel, layered with lemon zest and cracked pepper. Deeper, earthy and loamy notes, along with a hint of pine, emerge upon closer inspection, typical of OG-rooted strains. A sharp, chem-like pungency is also present.

Flavors include bright citrus and lemon notes over a warm spice base, with undertones of earthy spice and sometimes a faint herbal sweetness. Well-cured batches offer a creamy mouthfeel and a pepper-lime exhale, while vaporization can accentuate citrus, pine, and herbal tones.

Effects

Unobtainium is reported to provide a potent experience, often described as cerebral with a tingly sensation. Its effects are generally associated with a heavy, stone-like feeling, balanced by a mental uplift.

Terpenes & Cannabinoids

Dominant terpenes commonly found in Unobtainium include Caryophyllene, Limonene, and Myrcene. These contribute to its distinctive fuel-forward, citrus, and earthy aroma and flavor profile. The strain typically contains THC levels ranging from 15-25% and less than 1% CBD.

Growing

Unobtainium plants typically exhibit a moderate stretch of 1.5x to 2x after the light cycle flip, with significant elongation in the first few weeks. They respond well to topping and low-stress training techniques to promote a flat canopy. Sturdy stems benefit from support in late flower as buds develop significant mass.

Flowering time is generally between 63 to 70 days. Growers often select for phenotypes with stout calyces and dense buds, prioritizing those that maintain their aroma after curing. The strain is also noted for its resin quality, making it suitable for extraction.

Origins & Lineage

The exact origins and lineage of Unobtainium are not definitively documented, contributing to its rare and sought-after status. Popular theories suggest ancestry within the OG Kush and Chem Dawg families, which is reflected in its potent, gassy aromatics and effects.

Rumored crosses include Chem D x SFV OG, Triangle Kush x OG, or a Chem 4 selection. The name Unobtainium itself signifies a rare and elusive cultivar, often circulating as a clone among cultivators rather than a commercially available seed line.

Frequently asked questions

What is the THC content of Unobtainium?
Unobtainium typically ranges from 15-25% THC.
What are the dominant terpenes in Unobtainium?
The dominant terpenes are generally Caryophyllene, Limonene, and Myrcene.
What is the origin of the Unobtainium strain?
The exact origins are unconfirmed, but it is believed to be related to OG Kush and Chem Dawg genetics, known for its rarity.
What are the typical effects of Unobtainium?
Users often report cerebral effects and a tingly sensation, contributing to its potent experience.