The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 2080Sativa

5k by Black Army Collection

Unknown

5K is a modern sativa-dominant cultivar developed by Black Army Collection, recognized for its high-energy profiles and terpene-focused breeding. This strain aligns with contemporary breeding trends emphasizing resin output and complex aromatics, appealing to both connoisseur and data-driven consumers.

May help withStress
AromaCitrusEarthyFloralLavenderLemonMangoPepperyPine

Appearance

5K typically develops elongated, conical colas with a lean structure, characteristic of its sativa heritage. The calyxes are densely stacked with minimal small leaves, often displaying bright apricot to rust-colored pistils as they mature. Its appearance is often described as a 'spear-and-sugar' look, with prominent frost coverage, especially on the upper parts of the plant.

The coloration can range from lime to medium green, with potential lavender hues appearing if night temperatures decrease late in flowering. Sugar leaves are usually narrow and tapered. Careful environmental management is key to prevent issues like foxtailing or moisture buildup in the dense cola tips.

Aroma and Flavor

The aroma of 5K is bright and dynamic, often featuring notes of citrus peel, herbaceous garden, and pine resin. Depending on the specific phenotype and cure, undertones of green mango, sweet basil, or floral tea may also be present. Some expressions might also exhibit a subtle petrol or varnish edge, adding complexity.

Flavors commonly mirror the aroma, with prominent citrus and pine notes. The profile can also include earthy, floral, lavender, mango, and peppery elements, creating a multi-layered sensory experience. The intensity and complexity of the aroma and flavor are influenced by terpene content and preservation during the drying and curing process.

Effects

5K is generally reported to provide uplifting and energetic effects, aligning with its sativa-dominant nature. Consumers often experience enhanced focus and a sense of social ease, making it suitable for daytime use.

This strain is often associated with promoting creativity and supporting task-oriented activities. Its effects are generally considered to be stimulating rather than sedating, contributing to its reputation as a functional daytime cultivar.

Terpenes and Cannabinoids

While specific terpene profiles can vary, 5K's chemotype often leans towards bright, “day-forward” terpenes. Common terpenes found include terpinolene, limonene, ocimene, and alpha-pinene, contributing to its citrusy and piney notes. Minor terpenes like myrcene and caryophyllene may also be present, adding fruity or spicy undertones.

THC levels typically range from 15% to 25%, with CBD content below 1%. Well-grown modern cultivars can achieve total terpene content between 1.5% and 3.0% by weight, with premium batches potentially exceeding this. The preservation of volatile terpenes is a key focus in its cultivation and processing.

Cultivation

As a mostly sativa cultivar, 5K tends to exhibit taller vertical growth with longer internodal spacing, often requiring 9–11 weeks to flower. It responds well to advanced training techniques such as SCROG, topping, and low-stress training (LST), with a potential stretch of 1.5–3.0× after the light cycle flip. Growers should monitor for potential foxtailing under high light intensity or heat.

The strain is noted for its high trichome density and resin production, making it suitable for solventless extraction. Achieving optimal yield and quality requires careful environmental control, particularly regarding airflow, humidity, and temperature, to preserve terpene integrity and prevent issues like mold. Harvest timing is best guided by trichome ripeness.

Origins and Lineage

5K was developed by Black Army Collection, a breeder known for creating vigorous, high-energy cannabis cultivars. While its precise genetic lineage is not publicly disclosed, it is understood to be a modern, mostly sativa-dominant strain that emerged during the recent wave of terpene-focused breeding in the late 2010s to early 2020s.

Its lineage is associated with “daytime” cultivars valued for enhancing creativity, social ease, and focus on tasks. The breeding strategy likely prioritized vigor, consistency, high resin output, and a pronounced aromatic profile suited for contemporary cultivation and consumption preferences.

Frequently asked questions

What is the THC content of 5K?
5K typically has a THC content ranging from 15% to 25%.
What are the dominant terpenes in 5K?
Common terpenes include terpinolene, limonene, ocimene, and alpha-pinene, contributing to its bright, citrusy, and piney aroma.
What kind of effects does 5K provide?
5K is known for providing energetic and focused effects, often promoting creativity and social ease, making it suitable for daytime use.
Is 5K suitable for beginners?
Due to its sativa-dominant nature and potential for significant growth, 5K may be better suited for intermediate growers comfortable with training techniques.