The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 2964Hybrid

Hemlock

LA Confidential × Durban Poison

Hemlock is a hybrid cannabis cultivar recognized for its potent psychoactive effects and a distinct aroma combining citrus and pine notes. Despite its name, this strain is not toxic and is valued for its sharp, resinous scent and balanced effects, suitable for day or evening use.

May help withStress
AromaPineCitrusGrapefruitHerbalSweet

Appearance

Hemlock typically produces medium-dense, spear-shaped to ovate colas with a favorable calyx-to-leaf ratio. The buds are generally lime to forest green, adorned with peach or copper pistils, and may display purple hues under cooler nighttime temperatures. Heavy trichome coverage, characterized by prominent capitate-stalked heads, frosts the bract tips and sugar leaves, giving the cured flower a glassy sheen.

These buds often maintain compact, visually appealing shapes when grown under optimal conditions, resisting foxtailing. Proper environmental control, including gradual temperature shifts and strong airflow, is recommended to maintain bud quality and prevent issues like botrytis. Support for the cola weight may be necessary as they mature.

Aroma & Flavor

The aroma of Hemlock is characterized by sharp pine and citrus peel, complemented by herbal spice and a subtle anise undertone, reflecting a balance of pinene and terpinolene. Breaking apart the buds intensifies the scent, introducing sweet grapefruit notes and hints of damp earth, suggesting the presence of myrcene and humulene.

Upon consumption, Hemlock typically delivers bright lemon-grapefruit flavors with a polished pine edge. The experience is often described as herbal and slightly sweet on the mid-palate, sometimes evoking green tea or lemongrass. The exhale may present gentle pepper and clove notes, leaving a lingering resinous aftertaste without significant harshness.

Effects

Hemlock is known for a balanced yet potent psychoactive profile that can transition from an energetic and focused onset to a state of full-body calm. This makes it a versatile option for various times of day, offering a lucid beginning followed by steady relaxation.

Consumers have reported that Hemlock can promote a sense of calm and focus, making it a suitable choice for managing stress. The strain's effects are generally described as cerebral and energetic initially, before settling into a more relaxed state.

Terpenes & Cannabinoids

Hemlock typically exhibits a complex terpene profile, with notable presence of myrcene, limonene, caryophyllene, pinene, humulene, terpinolene, and ocimene. This combination contributes to its distinctive aromatic and flavor characteristics, including pine, citrus, herbal, and peppery notes.

In terms of cannabinoid content, Hemlock is classified as a high-THC flower, usually testing between 25-27%. It contains less than 1% CBD, emphasizing its psychoactive potency. The terpene diversity also pairs well with modern extraction methods, making it suitable for various product formats.

Origins & Lineage

Hemlock is a hybrid cultivar that emerged in the 2010s, with its origins traced to the Colorado and West Coast cannabis scenes. Its development is generally attributed to a cross between LA Confidential and Durban Poison.

LA Confidential is thought to contribute an Afghani-indica influence, characterized by dense resin and a tendency toward sedative effects, while Durban Poison, a South African landrace, is believed to impart terpinolene-forward brightness and a more uplifting cerebral quality. This genetic combination results in Hemlock's characteristic lucid onset followed by body relaxation.

Growing

Hemlock is considered accessible for cultivation, with stabilized cuts known for cloning easily. Growers report strong hybrid vigor and root development in early generations. The plant typically requires mid-to-late flower support due to cola weight and benefits from controlled environments to maintain terpene integrity and prevent stress.

The strain generally exhibits good yields and resin density when grown under optimal conditions, including adequate light and environmental controls. Attention to airflow and temperature management is advised to ensure quality and prevent common cultivation issues.

Frequently asked questions

Is Hemlock a toxic plant?
The cannabis strain named Hemlock is not toxic. The name is derived from the poisonous plant but serves as branding to reflect the cannabis strain's sharp, resinous aroma and penetrating scent.
What are the primary aromas of Hemlock?
Hemlock is known for its energetic citrus-pine bouquet, often described as sharp and resinous, with herbal spice undertones.
What is the typical THC content of Hemlock?
Hemlock is considered a high-THC strain, commonly testing between 25-27% THC.
What effects can I expect from Hemlock?
Hemlock is reported to provide a balanced psychoactive profile, often starting with energetic and focused sensations before transitioning into full-body calm.