The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 6638Sativa

Jacks Clone

Jack Herer (hypothesized)

Jack's Clone is a clone-only sativa cultivar recognized for its consistency and connection to the Jack Herer lineage. It is favored for its energetic and cerebral effects, making it a popular daytime choice.

May help withFatigue
AromaPineCitrusHerbalFloralLavenderBerryCoffee

Appearance

This sativa-leaning strain typically grows to a moderate height with a classic upright posture and noticeable vertical growth during early flowering. The leaves are generally thin-fingered and range from lime to medium green, potentially deepening in color as flowering progresses. Buds form as elongated spears, and well-managed plants can achieve good density with a favorable calyx-to-leaf ratio. The buds are covered in abundant trichomes, with pistils maturing from cream to a coppery orange.

Aroma & Flavor

The aroma of Jack's Clone is characterized by prominent notes of pine resin and lemon zest, often accompanied by secondary layers of sweet herbal undertones, green apple, and crushed juniper. When consumed, the flavor profile presents a bright citrus-pine taste, followed by a crisp, slightly floral sweetness and a subtle peppery finish on the exhale. Vaporization can accentuate sweeter notes, while combustion may bring out pine-sap and eucalyptus nuances.

Effects

Jack's Clone is reported to provide energetic and cerebral effects, promoting mental clarity and an uplifted mood. Its stimulating qualities make it well-suited for daytime use, helping to combat feelings of fatigue.

Terpenes & Cannabinoids

While specific lab data for Jack's Clone can vary, it is generally characterized as a THC-dominant strain, with THC levels typically ranging from 17-24% and CBD content below 1%. Terpene profiles often align with terpinolene-dominant strains, suggesting the presence of compounds like terpinolene, ocimene, limonene, and pinene, which contribute to its distinct aroma and effects.

Origins & Lineage

Jack's Clone is a clone-only selection with reputational ties to the Jack Herer family of sativa cultivars. It is believed to be a descendant or close relative of the original Jack Herer, which itself is a hybrid often linked to Northern Lights, Haze, and Skunk genetics. This clone-only status ensures a consistent expression of its traits from one generation to the next.

Cultivation

As a sativa-leaning strain, Jack's Clone exhibits rapid vertical growth, especially in early flowering stages, and may require training to manage its height and internodal spacing. The plant develops elongated spear-like colas and is noted for strong trichome coverage. Its consistency as a clone-only cut helps growers achieve predictable results in terms of morphology and finishing times.

Frequently asked questions

What is a clone-only strain?
A clone-only strain refers to a cannabis cultivar that is propagated vegetatively from a single mother plant, rather than grown from seeds. This method ensures genetic consistency and predictable traits across all plants.
Is Jack's Clone a sativa or indica?
Jack's Clone is predominantly considered a sativa-leaning cultivar.
What are the typical THC levels for Jack's Clone?
THC content for Jack's Clone typically ranges between 17% and 24%.
What kind of effects can I expect from Jack's Clone?
Consumers often report energetic and cerebral effects, which can help with focus and combat fatigue.