The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0680Indica

Hp13

Hash Plant × (potentially G13)

HP13 is an indica-leaning cultivar with a reputation for dense, resin-rich flowers and a distinct hash-forward aroma. It is deeply rooted in the old-school hash plant gene pool, prized for its resin production efficiency and tranquil, body-centered effects.

EffectsRelaxing Body-centered Tranquil Focused
May help withStress
AromaHashSpicyIncenseEarthyGarlicOnionCedarPineDieselWoody

Appearance

HP-13 plants are typically short to medium in height, characterized by tight internode spacing and broad, dark green leaves. They develop thick calyxes that form compact, heavy buds with a dense frosting of trichomes. Mature flowers often display deep green hues, contrasting with copper or rust-orange pistils, and a favorable calyx-to-leaf ratio.

Aroma & Flavor

The aroma of HP-13 is predominantly hash-forward, layered with notes of spice, incense, and damp earth. Many expressions carry a savory garlic or onion undertone, complemented by hints of cedar, black pepper, and pine resin. When ground, a faint diesel or rubber scent may emerge. The flavor profile mirrors the aroma, featuring spicy hash, toasted peppercorns, and woody incense on the inhale, with pine and savory notes lingering on the exhale.

Effects

HP-13 is known for delivering a tranquil, body-centered effect profile, making it a popular choice for nighttime use. Consumers report a calming sensation that centers on the body. While not explicitly detailed as a primary effect, some users may experience enhanced focus.

Terpenes & Cannabinoids

HP-13 typically exhibits dominant terpenes such as myrcene and caryophyllene, often supported by humulene and limonene. The total terpene content is frequently reported in the range of 1.5–3.0% by weight. THC levels generally fall between 16-21%, with CBD content below 1%.

Growing

HP-13 is noted for its efficiency in resin production and a comparatively short flowering time, commonly around 7–9 weeks indoors. It exhibits a modest stretch of 1.2–1.5x after the light cycle flip. The strain's compact structure and dense bud development benefit from selective defoliation to improve airflow. It performs well in high-density setups like Sea of Green (SOG) and also in single-plant SCROG configurations.

Origins & Lineage

HP-13 is widely believed to be a selection from the old-school Hash Plant gene pool, likely originating from Afghan Hash Plant lines. Some oral histories suggest a potential connection or influence from G13 genetics through backcrosses or phenotype selections, though this is not universally verified. Its precise pedigree is somewhat ambiguous, contributing to its mystique among connoisseurs.

Frequently asked questions

What is the THC content of HP13?
HP13 typically has a THC content ranging from 16% to 21%.
What are the dominant terpenes in HP13?
The dominant terpenes commonly found in HP13 are myrcene and caryophyllene, often accompanied by humulene and limonene.
What is the aroma and flavor profile of HP13?
HP13 is known for its distinct hash-forward aroma with notes of spice, earth, garlic, and incense. The flavor mirrors this, offering spicy, woody, and savory notes.
What kind of effects does HP13 provide?
HP13 is recognized for delivering tranquil, body-centered effects, often favored for nighttime relaxation.