The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0914Hybrid

Ultra G13 by Mephisto Genetics

Ruderalis × Indica × Sativa

Ultra G13 is a hybrid cannabis strain developed by Mephisto Genetics, known for its innovative breeding. It was created by combining ruderalis genetics with indica and sativa traits to achieve a resilient plant with a balanced psychoactive profile. This strain is recognized for its robust growth and appealing sensory qualities.

May help withStress
AromaCitrusEarthyFloralHerbalPineSpicySweet

Appearance

Ultra G13 plants are characterized by a dense, robust structure, often growing into a compact, bushy form suitable for indoor cultivation. The buds are typically large and covered in a dense layer of trichomes, giving them a frosty, shimmering appearance. Leaves are usually broad and dark green, with occasional purple hues appearing under cooler temperatures.

The buds themselves exhibit significant density, often with a resinous coating. Growers have noted that individual buds can achieve substantial weight when properly cured. The structure of the leaves, partly influenced by its sativa heritage, allows for good light penetration, which can contribute to enhanced trichome development.

Aroma & Flavor

The aroma of Ultra G13 is complex, starting with subtle earthy notes that evolve into layers of spice and a hint of citrus. Experienced users detect a balance between fresh, pine-like scents and a deeper, musky undertone. During flowering, the aroma can shift from sweeter, floral notes to a more resinous fragrance as the plant matures.

Its flavor profile is equally compelling, often presenting an initial burst of citrus mixed with a spicy sensation. Users report a smooth, lingering taste that combines pine and sweet herbal notes. This intricate sensory experience is attributed to its diverse terpene composition and careful breeding.

Effects

Ultra G13 is known for providing a balanced psychoactive experience, combining uplifting mental stimulation with relaxing physical sensations. The sativa influence contributes to a creative and mentally energizing high, while the indica genetics offer calming undertones and physical ease. This blend makes it suitable for users seeking both mental clarity and physical comfort.

Terpenes & Cannabinoids

Laboratory analysis indicates that Ultra G13 typically contains THC levels ranging from 18% to 24%, classifying it as a high-potency strain. CBD content is generally below 1%. Key terpenes identified include Myrcene, Limonene, and Pinene, which contribute significantly to the strain's aroma, flavor, and effects.

The terpene Myrcene is noted for its earthy aroma and potential sedative properties, while Limonene contributes citrus notes and is associated with mood elevation. Pinene adds a pine-like aroma and flavor, often linked to alertness. The specific ratios of these compounds, influenced by its genetic makeup, create the strain's characteristic sensory profile and effects.

Growing

Ultra G13 is noted for its robust genetic stability and resilience, partly due to its ruderalis heritage. It exhibits good resistance to common pests, with cultivation reports indicating higher resistance compared to some contemporary strains. The plant's compact, bushy form and leaf structure are well-suited for indoor cultivation environments.

The flowering period for Ultra G13 is influenced by its ruderalis genetics, suggesting auto-flowering capabilities. While specific yield data is not detailed, its robust genetic expression and dense bud structure suggest a potentially good yield for cultivators. It performs well in multiple environments due to its inherent hardiness.

Origins & Lineage

Ultra G13 was developed by Mephisto Genetics, a breeder recognized for innovative techniques and research. The strain was conceived to merge the resilience of ruderalis with the potent effects of indica and the uplifting qualities of sativa. Its genetic composition is approximately 20% ruderalis, 40% indica, and 40% sativa.

This balanced genetic ratio provides auto-flowering traits and stress resistance from ruderalis, sedative undertones and physical relaxation from indica, and a creative, uplifting mental boost from sativa. The breeding process, which began in the early 2010s, focused on careful selection to enhance vigor, psychoactive balance, and genetic stability across generations.

Frequently asked questions

What is the THC content of Ultra G13?
Ultra G13 typically has a THC content ranging between 18% and 24%.
What are the dominant terpenes in Ultra G13?
The dominant terpenes identified in Ultra G13 include Myrcene, Limonene, and Pinene.
What kind of effects does Ultra G13 provide?
Ultra G13 is known for providing a balanced experience, offering creative and uplifting mental effects alongside physical relaxation.
What is the genetic makeup of Ultra G13?
Ultra G13 is a hybrid strain with a genetic composition of approximately 20% Ruderalis, 40% Indica, and 40% Sativa.