The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 3976Indica

G13 Ix X10

G13

G13 IX x10 is an indica-dominant inbred line derived from the legendary G13. This strain concentrates the hallmark characteristics of its predecessor, featuring a high THC content and low CBD. It is recognized for its resinous buds and potent, relaxing effects.

EffectsRelaxing Sedative Focused Heavy-bodied
May help withDepression
AromaEarthyPineSweet HashFirPepperMuskIncenseForest FloorCedarHerbalLemonEucalyptus

Appearance

The flowers of G13 IX x10 are typically compact and densely packed with calyxes, often resembling golf balls or short cola clusters with minimal foxtailing. They possess plump, tightly stacked bracts that contribute to a substantial feel and a rugged surface texture. The coloration usually ranges from forest to sage green, sometimes showing deep olive hues in cooler conditions. Pistil hairs can vary from pale orange to rust, often standing out against a silvery coating of trichomes. The buds exhibit high trichome density, with opaque heads that mature and eventually amber over the ripening period. Leaf morphology is characteristically broad and dark, indicative of its indica heritage, with stout petioles and short internodes.

Aroma & Flavor

The aroma of G13 IX x10 is primarily earthy and pine-forward, complemented by undertones of sweet hash, fir needles, and pepper. Some users detect a subtle musky or incense-like scent, particularly when the buds are handled. Upon opening a container, notes of damp forest floor and cedar chest are common, followed by a clean herbal lift. Certain phenotypes may exhibit top notes of lemon peel and eucalyptus. The flavor profile generally mirrors the aroma, presenting an earthy, resinous core with a pine-sap edge. The smoke is often described as thick and hashy, concluding with a lingering spicy wood aftertaste. Subtle citrus rind sweetness and a clean, mentholated coolness may also be present.

Effects

G13 IX x10 is known for delivering heavy-bodied relaxation and reliably sedative effects, making it suitable for nighttime use. Consumers often report a sense of calm and tranquility. While primarily indica-leaning, some users may experience enhanced focus. The strain's potent effects are generally associated with significant physical relaxation.

Terpenes & Cannabinoids

This strain typically exhibits a cannabinoid profile that is high in THC, frequently ranging between 18% and 26%, with CBD levels consistently below 1%. The terpene profile is often dominated by myrcene, beta-caryophyllene, and limonene, contributing to its characteristic earthy, piney, and citrus notes. Other terpenes that may be present include humulene, ocimene, linalool, terpinolene, and eucalyptol, adding complexity to the aroma and flavor.

Growing

G13 IX x10 is generally considered a compact, branchy photoperiod variety. It typically has an indoor flowering window of 8–9 weeks and can produce moderate to high yields under optimized conditions. The plant's structure is characterized by dense bud architecture and a high calyx-to-leaf ratio, which can simplify trimming. Its indica-leaning morphology suggests broad leaves and sturdy growth.

Origins & Lineage

G13 IX x10 is a specialized inbred line derived from the legendary G13, a strain with a complex history often attributed to government breeding programs in the mid-20th century. The 'IX' in its name signifies an in-cross or inbred line, indicating a process of breeding related individuals to concentrate specific traits. The 'x10' suffix can refer to the tenth filial generation or selection cycle, or a specific seed release size, suggesting a refined selection process aimed at stabilizing the G13 chemotype and ensuring a more uniform expression of its classic characteristics in a seed-forward format.

Frequently asked questions

What is the THC and CBD content of G13 IX x10?
G13 IX x10 typically contains 18-26% THC and less than 1% CBD.
What are the dominant aromas and flavors of G13 IX x10?
The strain is known for its earthy and piney aromas, with flavors mirroring this profile, often including notes of pepper and subtle citrus.
What effects can I expect from G13 IX x10?
Users often report heavy-bodied relaxation and sedative effects, making it suitable for nighttime use. Some individuals may also experience enhanced focus.
What is the origin of G13 IX x10?
G13 IX x10 is an inbred derivative of the legendary G13, developed through selective breeding to stabilize its characteristic traits.