The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1326Indica

303 OG by Unknown Or Legendary

OG Kush

303 OG is an indica-dominant cultivar widely believed to have originated in Colorado, paying homage to Denver's 303 area code. It is recognized as a descendant of the OG family, celebrated for its classic aromatic profile and deeply relaxing effects.

EffectsCalm
May help withStress
AromaCandyCitrusCreamDieselEarthyHerbalLemonOrange

Appearance

303 OG typically presents with dense, spade-shaped buds that are heavily coated in trichomes, giving them a sparkling appearance. The flowers are often olive to forest green, interspersed with copper-orange pistils. Under cooler conditions, some phenotypes may display subtle purple hues on the sugar leaves and calyx tips.

The abundant resin production, a hallmark of OG cultivars, contributes to a high kief yield. When properly trimmed, the buds showcase an appealing ratio of sugar leaf to calyx, enhancing their visual appeal.

Aroma & Flavor

The aroma of 303 OG is characterized by a classic OG profile, featuring notes of bright lemon zest, pine sap, and a distinct diesel-fuel punch. Underlying these dominant scents, users may detect hints of wet earth and, in some instances, a subtle creaminess, particularly after a slow cure. The overall aromatic intensity is generally medium-high to high when cultivated optimally.

Upon combustion, the flavor follows the aroma, delivering initial lemon-peel brightness, followed by rounded pine and an earthy, peppery finish. A lingering diesel aftertaste is common, with subtle herbal spice notes noticeable on the exhale. Vaporization can accentuate the citrus and pine while softening the diesel undertones.

Effects

As a predominantly indica cultivar, 303 OG is known for delivering a profound body-centered experience. Users often report a tranquil and grounding effect that intensifies over the first hour after consumption. The onset is typically rapid, especially when inhaled.

The strain is associated with a strong, calming sensation, making it suitable for evening use. While it may possess a slight sativa lift inherited from its OG lineage, its primary impact is one of deep relaxation and physical ease.

Terpenes & Cannabinoids

Commonly reported terpenes in 303 OG include Myrcene, Limonene, and Caryophyllene, which contribute to its citrusy, gassy, and peppery aromatic and flavor profiles. Other terpenes like Linalool, Pinene, and Humulene may also be present, adding complexity.

In terms of cannabinoid content, 303 OG typically falls within a high-THC, low-CBD range. THC levels often test between 18-24%, with CBD usually below 1%. Minor cannabinoids like CBG may be present in trace amounts. Potency can vary significantly based on cultivation and post-harvest practices.

Origins & Lineage

303 OG is widely considered a Colorado-native strain, named in honor of Denver's 303 area code. Its exact breeder is often listed as Unknown or Legendary, a designation for strains with unverified but widely recognized origins within the cannabis community.

It is categorized as an OG Kush descendant or close relative, inheriting traits such as a lemon-pine-diesel aroma and a heavy, relaxing effect. The strain gained popularity in Colorado's Front Range during the OG cultivation craze, with growers selecting phenotypes for resilience and aesthetic appeal.

Cultivation

303 OG is a mostly indica cultivar that typically exhibits broadleaf foliage and a compact structure. Growers may find it benefits from crosses with more structurally robust lines to enhance vigor and manageability, a common practice in OG breeding. It is known for producing dense buds with significant trichome coverage.

While specific flowering times are not detailed, OG-derived indicas generally have moderate growth difficulty. The strain is noted for strong bag appeal, often attributed to its frosty appearance and dense calyx structure, indicating good potential yield when cultivated under optimal conditions.

Frequently asked questions

What is the origin of 303 OG?
303 OG is widely regarded as a Colorado-born strain, named after Denver's 303 area code. Its exact breeder is often listed as Unknown or Legendary.
What are the primary aromas and flavors of 303 OG?
The strain typically presents aromas and flavors of lemon, pine, diesel, and earth, with some users detecting subtle creamy or candy-like undertones.
What are the typical effects of 303 OG?
303 OG is known for its calming and grounding effects, often leading to relaxation and a sense of tranquility, making it suitable for evening use.
What is the typical cannabinoid profile of 303 OG?
303 OG generally tests high in THC, often between 18-24%, with very low levels of CBD (below 1%).