187 by Dominion Seed Company: A Comprehensive Strain Guide

Introduction to the 187 Strain

187 is a boutique, breeder-forward cannabis cultivar developed by Dominion Seed Company, a group known for preserving and refining classic American genetics. The name is terse and enigmatic, and the breeder has not widely publicized a flashy marketing story behind it. Instead, 187 occupies the niche Dominion often serves: vigorous hybrid vigor, old-school terpene intensity, and practical farm-grower performance.

Publicly available information on 187 is comparatively sparse compared to celebrity strains, but that doesn’t mean it lacks substance. In fact, early grower accounts and the breeder’s track record suggest a resin-forward, medium-to-heavy-yielding hybrid that borrows from the Chem/Skunk/Hashplant playbook. As with many Dominion releases, the emphasis appears to be on function and fidelity rather than hype.

Readers should keep in mind that small-sample anecdotes can skew perceptions of any niche cultivar. In broader cannabis listings, it’s common to see early ratings that look impressive but come from very few users—for instance, averages around 4.8 stars from just five reviews—while other pages may show large sample sizes in the hundreds. As a result, the best way to understand 187’s potential is to examine breeder context, likely lineage traits, and agronomic outcomes.

History and Breeding Background

Dominion Seed Company, helmed by veteran breeder Duke Diamond and collaborators, is recognized for reviving and stabilizing classic 80s–90s American lines. The team is most often associated with Skunk, Chem family, and Hashplant influences, a triangle that dominates many of their catalog successes. Their breeding ethos stresses germination vigor, disease resistance, robust branching, and a return to pungent, room-filling aromas.

While Dominion keeps some parental combinations closely held, their public work repeatedly references foundational cuts like Chem 91 (a.k.a. Chemdog 91), Skunk #1 derivatives, Skelly Hashplant, and SkunkVA-associated lineages. These building blocks tend to produce sharp fuel, carrion-skunk, and incense notes with persistent resin coverage. The result is a portfolio that favors growers who want durable, high-terpene cultivars that trim well and cure into potent, long-lasting smoke.

187 slots into this heritage as a modernized, workhorse hybrid tailored to indoor tents and outdoor plots alike. The project appears designed to retain the ferocity of classic aromas while smoothing the structure for easier canopy management. In typical Dominion fashion, the strain’s ‘why’ is more important than its ‘hype,’ prioritizing repeatability and farm viability over a single headline trait.

Genetic Lineage and Phenotypic Expectations

Dominion does not always disclose exact parental lines, and 187 fits that tradition; its precise pedigree has not been broadly published in breeder notes. However, the company’s pattern suggests heavy Chem/Skunk/Hashplant influence, which tends to express as thick lateral branching, greasy resin, and a loud terpene profile. Expect a hybrid that leans slightly indica in morphology but behaves like a balanced hybrid in effects.

Phenotypically, growers can anticipate two recurring expressions: a chem-forward cut with fuel, rubber, and savory onion-garlic tones; and a skunk-favoring cut leaning sour, musky, and sweet-earthy. Hashplant heritage usually adds squat internodes and excellent trichome density suitable for both dry sift and hydrocarbon extraction. Buds commonly finish golf-ball to medium spear-shaped with dense calyces and moderate-to-high calyx-to-leaf ratios for easier trim.

In terms of vigor, these lines typically show strong apical dominance mitigated well by topping or mainlining. Stretch in bloom is often 1.5–2.0× from flip to peak, making it predictable for netted canopies. Flowering time is generally 56–67 days indoors, with outdoor harvest landing late September to early October at temperate latitudes.

Visual Appearance and Structure

187 often presents stout, well-anchored stalks with sturdy petioles and thick lateral limbs, a sign of hybrid vigor from indica-leaning ancestry. Fan leaves are broad-shouldered and dark green in high nitrogen environments, tapering to olive under leaner, bloom-focused feed. Internodal spacing tightens under high PPFD, producing compact nodes that stack into knuckled colas.

Mature flowers tend to be resin-sheathed, with visible trichome heads that cloud over early in the window and amber gradually. Bracts swell substantially in the last 10–14 days, particularly when day/night temperature deltas stay in the 7–10°C (12–18°F) range. Pigmentation may intensify under cool nights, revealing anthocyanins on sugar leaves and bract tips in some phenos.

Visually, expect dense, weighty buds that resist excessive foxtailing when environmental stressors are controlled. Calyx development is pronounced, resulting in buds that look ‘finished’ at trim with fewer crow’s feet leaves. Resin rails along the bract edges are common, heralding strong bag appeal and stickiness during hand trim.

Aroma Profile

Aromatically, 187 is best described as a pungent classic: fuel-sour mixed with skunky musk and a savory, spicy backbone. In chem-forward phenotypes, top notes can evoke diesel, hot rubber, and sharp solvent, underpinned by a faint onion-garlic funk. Skunk-favoring phenotypes bring sweet earth, musk, and fermented citrus zest.

Cracked buds often release a complex bouquet that can fill a small room within minutes, a trait typical of high-terpene Skunk/Chem descendants. Expect a ‘loudness’ score well above average; many growers report needing upgraded carbon filtration by week three of flower. The dry down in jars transitions the sharper volatiles into richer, incense-like resin tones while preserving the skunk-fuel core.

Against a baseline of myrcene and beta-caryophyllene, supporting terpenes like limonene, humulene, and ocimene add sweetness and dry-hop, woody facets. Trace sulfur compounds—common culprits in ‘skunk’ identity—may contribute to the recognizable funk even in small concentrations. For consumers, the nose often foreshadows a powerful, lingering flavor and dense smoke.

Flavor and Combustion Characteristics

On the palate, 187 translates its aroma into a layered flavor: initial fuel and citrus bite, followed by earthy spice and a savory, resinous exhale. The first two inhalations usually emphasize lemon-lime diesel or bitter orange rind, especially in limonene-forward phenotypes. As the joint or bowl progresses, peppery clove and woody notes emerge, consistent with beta-caryophyllene and humulene.

Well-cured flower combusts cleanly with white-to-light-gray ash, assuming proper dry (10–14 days) and cure (minimum 3–4 weeks). Over-dried samples (>62% to <55% relative humidity in jars) can skew the flavor toward pepper and reduce perceived sweetness. Conversely, properly hydrated buds at 58–62% RH preserve the savory-sweet balance and show the cultivar’s depth on the exhale.

Vaporization at 175–190°C (347–374°F) emphasizes bright citrus, sweet resin, and herbal layers while softening fuel harshness. Higher-temp dabs or hot bowls can push the profile toward pepper and charred rubber; moderating temperature preserves complexity. The finish is long, with a lingering lemon-pepper, leather, and faint incense aftertaste.

Cannabinoid Profile and Potency

Because 187 remains a breeder-driven cultivar with limited public certificates of analysis (COAs), precise cannabinoid statistics are still emerging. Based on comparable Dominion Seed Company hybrids and chemotype patterns, THC commonly falls in the 18–24% range by dry weight (180–240 mg/g). Select phenotypes grown under optimal conditions—high DLI, balanced VPD, and dialed nutrients—may reach the mid-20s.

CBD in these lines is typically minimal (<1% or <10 mg/g), with trace CBC and CBG frequently detected in the 0.1–0.6% (1–6 mg/g) range. Total cannabinoids (sum) can approach 20–28% in top-shelf runs, though this is highly dependent on cultivation and post-harvest handling. Total terpene concentrations often land between 1.5–3.0% by weight, which correlates with the intense aromatic punch growers report.

As a practical dosing note, a single 0.1 g inhalation of 20% THC flower can deliver roughly 20 mg of THC to the device, with actual systemic exposure lower due to combustion/vaporization efficiency (often 25–50%). For new consumers, that translates to potentially strong psychoactivity from just a few hits. Experienced consumers will recognize 187’s ceiling as high but not unmanageable, with effects accumulating rapidly over successive inhalations.

Terpene Profile and Chemistry

Dominant terpenes expected in 187 include myrcene, beta-caryophyllene, limonene, and humulene, with ocimene and linalool occasionally surfacing in certain phenotypes. A representative distribution in similar Chem/Skunk hybrids might look like myrcene 0.5–1.2%, beta-caryophyllene 0.3–0.8%, limonene 0.2–0.6%, and humulene 0.1–0.4% by dry weight. Total terpene content regularly crosses 2% in carefully grown indoor flower.

Myrcene contributes to the earthy, musky backbone and can modulate subjective sedation in higher doses. Beta-caryophyllene, a documented CB2 receptor agonist, adds pepper-spice and may play a role in perceived anti-inflammatory effects in preclinical models. Limonene is responsible for lemon peel brightness and is frequently linked to uplifted mood reports in user surveys.

Humulene adds woody, dry-hop character and may contribute to appetite-modulating perceptions in some users. Trace sulfur-containing compounds, though present at parts-per-billion levels, can massively influence the “skunk” identity—illustrating why even small chemical changes shift the nose. Together, these constituents yield a profile that is both nostalgic and modern: classic funk with layered citrus-resin complexity.

Experiential Effects and Onset

187’s effects arrive quickly, within 2–5 minutes of inhalation for most users, and peak around 15–30 minutes. The initial phase is commonly described as clear but forceful, with pressure behind the eyes and heightened sensory detail. Many users report mood lift, talkativeness, and a steady, body-centering undertone.

As the session deepens, the chem-style clarity can give way to a hazy, heavy calm if doses climb, especially with myrcene-forward cuts. Coordination and short-term memory may be noticeably affected, consistent with established THC pharmacology. Controlled studies have documented THC-related changes in attention, reaction time, and working memory—summaries of which are referenced by educational sources like Hytiva and rooted in peer-reviewed literature (for example, Psychopharmacology, 187[1], 38–50).

Duration typically spans 2–3 hours for inhaled flower, with residual relaxation persisting longer in higher doses. Very high intake may invite couchlock or nap-prone calm, particularly in evening sessions. For daytime function, small, spaced inhalations are recommended to maintain the motivational sweet spot without tipping into heavy sedation.

Potential Medical Applications

While individual responses vary, 187’s profile suggests potential utility for stress reduction, mood elevation, and short-term relief from anxiety-related tension at modest doses. The quick onset and hybrid balance can provide rapid relief without immediate heavy sedation, useful for break-time resets. Users sensitive to limonene-caryophyllene combinations often report improved outlook and reduced rumination.

Anecdotal reports for similar chemotypes include relief from neuropathic discomfort and inflammatory pain, potentially linked to THC’s analgesic properties and beta-caryophyllene’s CB2 activity. For sleep support, higher evening doses where myrcene content is prominent may promote faster sleep onset. Conversely, low-dose daytime use can remain functional if kept within a narrow window.

As with all cannabis used for symptom relief, caution is warranted. THC can transiently impair attention and memory, and in higher doses may provoke anxiety in susceptible individuals. Medical decisions should be made with a clinician familiar with cannabinoid therapy, and patients should start low and titrate slowly.

Comprehensive Cultivation Guide

Seed selection and germination: Start with verified Dominion Seed Company packs or trusted clone sources to avoid mislabeled genetics. Germinate using a 0.5–1.0 mS/cm (EC) solution at pH 5.8–6.2 for inert media, or plain water for soil, keeping media at 24–26°C (75–79°F). Aim for 95–100% relative humidity in a dome during the first 48–72 hours and moderate VPD (0.4–0.8 kPa) to avoid desiccation.

Vegetative phase (weeks 1–4+): 187 responds well to topping and structured training. Use 18/6 light cycle with a daily light integral (DLI) of 25–35 mol/m²/day and PPFD around 400–600 µmol/m²/s. Keep VPD in the 0.9–1.2 kPa range, temperatures 24–28°C (75–82°F), and EC 1.2–1.6 depending on media, with Ca/Mg supplementation for RO users.

Canopy management: Expect a 1.5–2.0× stretch during the first 2–3 weeks of bloom, so set trellis by the final week of veg. Low-stress training and 1–2 toppings create an even canopy with 8–16 mains in 3–5 gallon (11–19 L) containers. Strip lower 20–30% of foliage before flip to focus energy on top sites and improve airflow.

Flowering environment: Switch to 12/12 with PPFD around 700–950 µmol/m²/s (CO₂ at 1,000–1,200 ppm if available) and DLI 35–45 mol/m²/day. Maintain early flower VPD near 1.1–1.3 kPa and then 1.2–1.4 kPa mid-to-late bloom. Day temps 24–27°C (75–81°F), night 18–22°C (64–72°F), and a 7–10°C (12–18°F) day-night delta to enhance color and resin.

Nutrition and irrigation: In inert media (coco/rockwool), target EC 1.6–2.1 in weeks 2–6 of flower with a balanced bloom formula, keeping N in check to avoid dark, leathery leaves. Increase K and P modestly during weeks 3–5 for flower building, but avoid excessive PK spikes that can cause lockout. In living soils, focus on top-dressed amendments (e.g., fish bone meal, kelp, basalt) and maintain consistent soil moisture at 60–70% field capacity.

Defoliation and airflow: Light defoliation at day 21 and day 42 of flower improves light penetration and mitigates humidity pockets. Keep canopy leaf surface temperatures (LST) 1–3°C above ambient in LED rooms to maintain metabolic rates. Use oscillating fans above and below canopy and maintain 0.3–0.5 m/s gentle airflow across tops.

IPM strategy: Skunk/Chem-leaning hybrids are aromatic but still vulnerable to powdery mildew and botrytis in dense canopies. Employ weekly IPM in veg with biologicals like Bacillus subtilis and Beauveria bassiana, rotating modes of action. Sanitation, leaf spacing, and RH control (50–55% late bloom) are your best defenses; avoid foliar sprays after day 21 of flower.

Harvest timing: Most phenotypes of 187 finish in 56–67 days of flowering indoors. For a more energetic profile, harvest at 5–10% amber trichomes with mostly cloudy heads; for heavier sedation, wait for 15–25% amber. Pistil color is less reliable than trichome maturity; use a 60–100× loupe to confirm.

Yield expectations: With dialed environments, indoor yields of 450–650 g/m² are realistic in multi-top SCROG layouts. Outdoor plants in 25–50 gallon containers can produce 450–900+ g per plant, and in-ground plants can exceed 1.5 kg where seasons permit. Extraction yields are typically strong thanks to resin density; dry sift and hydrocarbon runs frequently return above-average percentages compared to airy, sativa-leaning strains.

Outdoor considerations: 187 prefers full sun (≥8 hours) and well-drained loams amended with organic matter. Space plants generously—1.2–1.8 m between centers—to improve airflow, especially in humid regions. Time final transplant after last frost; in Mediterranean climates, expect late September to early October harvest windows.

Carbon filtration and odor control: By week 3 of flower, odor intensity can ov