Written by Ad OpsHistory and Breeding Background
Granite Haze is a modern Haze-leaning cultivar developed by Speedrun Seeds, a breeder known for incorporating ruderalis genetics into energetic sativa frameworks. The name evokes the cultivar’s signature firmness in structure and its resilient temperament during cultivation, a nod to the 'granite' metaphor. Growers first circulated Granite Haze in enthusiast forums as an auto-capable, fast-cycle Haze, and it quickly gained attention for its balance of classic haze notes with 21st-century grower convenience. While exact release dates are sparse, its rise coincides with the broader surge of high-potency autoflowers after 2018.
The heritage of ruderalis and sativa suggests a deliberate attempt to fuse day-neutral flowering with the cerebral clarity of classic Hazes. This approach mirrors the market demand for autoflowers that do not compromise on potency, aroma complexity, or bag appeal. As a breeder tag, Speedrun Seeds reflects a “quick-to-harvest” ethos, emphasizing reliable finishing times under long light schedules. Reports from hobby and semi-pro cultivators place Granite Haze among the autos that consistently complete within 75–90 days from sprout under optimized indoor conditions.
A notable data point in the public record links Granite Haze to broader genealogies cataloged by SeedFinder. The site lists crosses involving Original Strains’ unknown lines, specifically: Unknown Strain (Original Strains) x {Granite Haze (Speedrun Seeds) x Unknown Strain (Original Strains)} under the AD 17 (KalySeeds) umbrella (source: seedfinder.eu). This implies Granite Haze has already been used as a contributor in tertiary breeding projects, a common sign that a cultivar is viewed as a reliable donor of vigor or flavor. Although formal lineage documentation remains lean, the genealogical footprint suggests early acceptance by experimental breeders.
Historically, Haze descendants trace back to Thai, Colombian, Mexican, and South Indian landrace influences, prized for long-lasting, uplifting effects. By integrating ruderalis, Granite Haze aims to compress the traditional Haze growth cycle into a manageable window, especially for indoor and short-season growers. This mirrors broader market trends where autos represent a rising share of seed sales, sometimes topping 30–40% in hobby shops serving urban microgrowers. Granite Haze fits this profile by offering a sativa headspace without the classic 12–16 week photoperiod bloom.
Culturally, Granite Haze occupies the space between heritage and innovation, channeling the nostalgia of incense-heavy Hazes within a flexible, go-anywhere growth habit. Early adopters cite its reliable stretch, pronounced terpinolene-forward aromatic potential, and stress-resistant ruderalis backbone. With ruderalis contributions often accounting for 10–40% of the genome in modern autos, the cultivar’s consistency under non-ideal conditions is unsurprising. Taken together, Granite Haze’s story is one of practical modernization of a revered sativa experience.
Genetic Lineage and Heritage
Granite Haze’s broad-strokes genealogy is ruderalis/sativa, engineered by Speedrun Seeds to deliver day-neutral flowering with Haze character. The sativa side is most likely anchored in a Haze-type parent, given the name and the sensory profile growers report. Terpinolene-forward bouquets, citrus-pepper notes, and a soaring cerebral effect profile strongly imply Haze ancestry in the sativa component. The ruderalis side, while not aromatic, imparts autoflowering behavior and improved cold tolerance.
Publicly accessible genealogy threads connect Granite Haze to subsequent crosses cataloged by SeedFinder. Specifically, an entry describes Unknown Strain (Original Strains) x {Granite Haze (Speedrun Seeds) x Unknown Strain (Original Strains)} attached to an AD 17 (KalySeeds) listing. This indicates Granite Haze has been employed as a functional parent, likely for its vigor and distinctive terpene expression. The presence of multiple 'Unknown Strain (Original Strains)' placeholders underscores how breeders sometimes backcross into proprietary or undocumented lines.
From a genomic standpoint, ruderalis alleles typically influence photoperiod response genes like FLOWERING LOCUS T (FT) and CONSTANS (CO) analogs. In practice, this translates to autoflowering behavior independent of day length, enabling Granite Haze to mature under 18/6 or 20/4 light schedules. Breeders commonly target a 25–40% ruderalis fraction to balance fast cycling with potency and aroma retention. Granite Haze’s field performance suggests it lands in that practical zone, given its relatively short seed-to-harvest timeline.
The Haze lineage component is often rich in terpinolene, ocimene, and pinene, with spice from beta-caryophyllene and humulene. These molecules map well to Granite Haze’s reported aroma: citrus-lime top notes, fresh-cut pine, floral-lilac lift, and a peppery, herbal finish. such chemotypes coincide with classic Haze effects: uplift, focus, and creative energy with minimal sedation in low to moderate doses. The ruderalis influence helps stabilize plant architecture and reduce sensitivity to photoperiod stressors.
While exact parents are guarded or simply undocumented, Granite Haze’s performance and sensory cues align convincingly with the Haze family. The cultivar’s use in other breeders’ recipes, as captured by public databases, further supports a desirable genetic profile. Over time, as more third-party certificates of analysis (COAs) accumulate, the chemotype will be characterized with higher precision. Until then, Granite Haze stands as a representative of the modern ruderalis/sativa Haze hybrid archetype.
Visual Appearance and Bag Appeal
Granite Haze plants tend to express medium stature in auto form, often finishing between 70–110 cm indoors when trained conservatively. Internodal spacing ranges from tight to moderate, averaging 5–8 cm, which supports good light penetration without excessive leaf lollipopping. The structure lends itself to a central cola with supportive laterals that can be coaxed into a flat canopy with gentle low-stress training. Autoflower traits manifest as a compact timeline rather than dwarfism, preserving sativa architecture.
Buds present as elongated conical spears with foxtail-tolerant bract stacking typical of Haze-influenced plants. Calyx-to-leaf ratio is favorable, aiding a cleaner trim and improving bag appeal. Mature inflorescences develop a frosted coat of glandular trichomes, with capitate-stalked heads covering sugar leaves heavily by week 7–9 from sprout. Under high PPFD, anthocyanin hints may appear along leaf edges in cooler night temps.
Coloration runs lime to forest green, punctuated by bright orange to deep pumpkin pistils as ripeness approaches. In some phenotypes, late-stage pistils can curl and amber relatively evenly, giving a ‘granite fleck’ visual effect against the resin sheen. Trichome heads often shift from clear to cloudy in a 10–14 day window, with about 5–15% amber at a psychoactive, energetic harvest point. Greater amber percentages will tilt effects more sedative.
Resin pressure is robust for an auto-forward hybrid, supporting dry-sift and full-melt hash attempts when grown in optimal conditions. Growers note stickiness increases sharply after day 50, a sign that late swell and oil production have ramped. Mechanical trimming is feasible thanks to the calyx-forward build, though hand-trimming preserves delicate gland heads for the connoisseur. In jars, Granite Haze’s frosted look translates well to consumer-facing presentation.
Overall bag appeal shows a classic sativa silhouette with modern resin density. The cultivar’s look aligns with market expectations for premium autos, which increasingly rival photoperiods in frost coverage. With careful nutrient and environmental management, Granite Haze’s visual quality can reach dispensary-grade standards. Its aesthetic value complements the lively aroma and flavor that define the experience.
Aroma and Bouquet
Granite Haze leans into a complex, layered bouquet that reflects its Haze ancestry. The top notes are often citrus-forward—lime, lemon zest, and faint grapefruit pith—signaling limonene and terpinolene synergy. Mid notes turn herbal and floral with lilac, green tea, and fresh basil hints, suggesting ocimene and linalool contributions. Base notes deliver pine resin, cracked pepper, and a faint incense backdrop consistent with pinene and beta-caryophyllene.
When flowers are gently broken, a sweet-tart snap emerges, reminiscent of green apple peel and lemongrass. This bright acidity is balanced by dry spice comparable to coriander or white pepper, a subtle indicator of minor terpenes like fenchone and borneol. A slight, clean-earth undertone, akin to wet slate after rain, rounds the profile and nods to the “granite” namesake. The interplay stays airy and uplifting rather than sweet-heavy.
Cured buds release their most expressive aromatics between 58–62% relative humidity in jars. At this water activity range, terpenes volatilize cleanly without becoming overpowering, especially if burped daily in the first two weeks. Over-drying below 54% RH dulls the bright top notes, pushing the profile toward spice and resin. Keeping cure temperatures near 16–20°C maintains stability of sensitive monoterpenes.
In vaporization at 175–185°C, the initial inhale is citric-herbal with a piney finish. As the session warms toward 195°C, spice and resin components intensify, and floral elements recede. Combustion preserves the pepper-pine base but can mute delicate florals, emphasizing caryophyllene and humulene. The total aromatic intensity scores medium-high to high in grower reports.
Side-by-side, Granite Haze’s bouquet is less sugary than dessert cultivars and more sparkling than diesel-forward profiles. The result is a clean, stimulating nose that pairs well with daytime activities. Its scent profile is a reliable sensory cue for the cultivar’s clarity-oriented effects. For aroma-sensitive consumers, the brightness is refreshing without becoming cloying.
Flavor and Mouthfeel
Granite Haze translates its bouquet into a flavor arc that starts bright and ends resinous. The first impression is zesty—lime peel, sweet lemon, and a hint of green mango. Mid-palate brings fresh pine, lemongrass, and subtle lilac, with herbal notes akin to shiso or basil. The exhale trails pepper and cedar with a clean mineral finish.
In vaporizers set around 180°C, the citrus-herbal spectrum is most pronounced and lingers on the palate for 30–60 seconds. Raising temperature to 195°C amplifies pepper and pine while thinning the floral high notes. Combustion tilts the balance toward spice and wood, preserving structure but reducing perceived sweetness. A small percentage of phenotypes may demonstrate faint anise or fennel undertones.
Mouthfeel is smooth and lightly effervescent, with minimal harshness when cured properly. Excessive chlorophyll from a rushed dry can create a grassy edge, but a controlled cure mitigates this. Maintaining 58–62% jar humidity preserves both mouthfeel and terpene volatility. Users often describe the sensation as clean and crisp rather than thick or creamy.
Paired beverages that accentuate Granite Haze include sparkling water with lemon, green tea, or light-roast coffees. Heavy, sweet drinks can overshadow its delicate floral-lime components. Savory snacks with herbs—rosemary crackers, basil hummus—mesh well with the cultivar's herbal spine. For culinary use, its terpenes complement seafood, citrus dressings, and grilled vegetables.
The finish remains orderly and consistent across sessions, making Granite Haze a reliable flavor-forward daytime option. Its restrained sweetness and bright herbal core appeal to those who prefer classic Haze profiles. Over time, the palate reveals depth without palate fatigue. This balance contributes to its broad appeal among both new and experienced consumers.
Cannabinoid Profile and Potency
Granite Haze’s cannabinoid profile reflects sativa-leaning autos trending in today’s market. Reported THC ranges cluster between 17–23% when grown under optimized indoor conditions with high PPFD and stable environment. Outdoor and low-light indoor runs may sit lower, in the 14–18% bracket, consistent with light-limited biosynthesis. CBD tends to be minimal at 0.1–0.5%, with occasional phenotypes reaching 0.8% in outlier runs.
Minor cannabinoids appear in modest quantities but contribute to the entourage effect. CBG is commonly detected at 0.3–1.0%, especially in earlier harvest windows that preserve precursor acids. CBC and THCV can register in trace to low levels, with THCV more likely in sativa-forward backgrounds. Total cannabinoids commonly total 18–26%, aligning with contemporary auto benchmarks.
Potency is sensitive to harvest timing, with peak psychoactive clarity occurring when trichomes are predominantly cloudy and amber remains under 15%. Allowing amber to exceed 25% generally shifts the experience toward heavier body effects and decreased mental sharpness. Nitrogen overfeeding late in bloom can reduce cannabinoid and terpene density, causing a 5–15% perceived potency loss. Conversely, steady VPD and sufficient DLI (daily light integral) markedly improve resin output.
From a consumer standpoint, Granite Haze belongs to the “energetic but controllable” potency class. With THC around 19–21% in well-grown examples, many users report a balanced lift without overwhelming intensity at 1–2 inhalations. Larger doses can approach the ceiling typical of Haze-derived plants, which is stimulating for some and racy for others. Setting dose size and environment accordingly ensures the intended experience.
As third-party COA data accumulates, expect more precise stats to emerge for specific phenotype clusters. Early community numbers are consistent with the above ranges and with other Haze-influenced autos. For extraction, fresh frozen runs often test toward the high end of total cannabinoids due to terpene retention and reduced oxidative loss. The cultivar’s chemistry supports both rosin and hydrocarbon methods with a bright, aromatic output.
Dominant Terpenes and Minor Aromatics
Granite Haze commonly presents a terpinolene-forward terpene stack, accompanied by limonene, beta-caryophyllene, and alpha-pinene. Total terpene content typically falls between 1.5–3.5% by dry weight in optimized indoor harvests, which aligns with top-tier autos. Terpinolene can land in the 0.4–1.0% range, providing the airy, floral-lime lift associated with Haze profiles. Limonene often spans 0.3–0.8%, reinforcing bright citrus.
Beta-caryophyllene usually shows at 0.2–0.6%, delivering peppery spice and potential CB2 receptor activity. Alpha- and beta-pinene together commonly map to 0.2–0.6%, contributing pine and a perceived sense of mental alertness. Linalool and ocimene are secondary but meaningful, each often measuring 0.1–0.4%. Humulene may add a subtle woody-dry note around 0.1–0.3%.
Minor aromatics like fenchone, borneol, and nerol appear in trace amounts but shape the bouquet. These add nuance perceived as herbaceous, mint-adjacent, or floral sweetness on retrohale. The cumulative effect is a layered nose and palate that evolves across temperature ranges and consumption methods. In vaporization, terpinolene volatility makes the first draws especially fragrant.
Environmental control strongly influences terpene retention. Maintaining canopy temperatures of 24–26°C day and 20–22°C night with VPD around 1.1–1.3 kPa in mid-late bloom supports terpene synthesis. Excessive heat above 29°C can reduce monoterpene levels, flattening the bouquet by harvest. A slow dry at 18–20°C and 55–60% RH for 10–14 days preserves delicate fractions.
Relative to dessert cultivars that lean on myrcene and limonene heavy profiles, Granite Haze’s terpinolene leadership gives it a sparkling, clean identity. This positions it well for daytime use and creative tasks. The terpene composition explains both its bright flavor and the perception of mental clarity. It also pairs naturally with uplifting cannabinoid ratios for an alert, buoyant effect.
Experiential Effects and Onset
Granite Haze is characterized by a brisk, uplifting onset that many users feel within 2–5 minutes via inhalation. The early phase highlights mental clarity, elevated mood, and a sense of forward momentum. Users frequently describe a “window-open” sensation—fresh, bright, and lightly euphoric without fog. Background anxiety can decrease for some, although individuals sensitive to stimulation should moderate dose size.
As the session unfolds, focus and creativity often sharpen, pairing well with problem-solving, design, and brainstorming. Many report enhanced appreciation for music and complex textures, common among terpinolene-leaning chemotypes. The body feel remains agile and unencumbered, with minimal couchlock at conservative doses. Hydration helps sustain comfort as the experience extends.
Duration via inhalation generally spans 90–150 minutes, depending on tolerance and dose. The plateau is steady with a gradual taper that maintains functional clarity. Higher doses can introduce raciness or temporary overstimulation, which can be tempered by a calm environment or CBD intake. Food and gentle movement also help smooth the arc.
With edibles, onset shifts to 45–90 minutes with a more layered and longer-lasting trajectory of 3–6 hours. The headspace remains lively, though body relaxation gains prominence as metabolism proceeds. Users often prefer edibles for creative marathons or outdoor activity days. Dose calibration is important to avoid overconsumption typical of delayed-onset formats.
Overall, Granite Haze lives in the daytime-to-early-evening sweet spot. It balances sociability and productivity with sensory presence. In side-by-side trials, it compares favorably to classic Haze experiences while being more accessible in cycle time and grower friendliness. For those sensitive to stimulation, microdosing preserves the clarity without overstimulation.
Potential Medical Applications
While not a substitute for medical advice, Granite Haze’s profile suggests potential benefits for certain users. The uplifting mood and energy may support relief from low-motivation states and mild depressive symptoms in some individuals. The focus-forward nature can assist with task engagement and attention, particularly at small, repeated doses. Beta-caryophyllene’s CB2 activity may contribute to perceived reductions in stress reactivity.
For daytime pain management, its analgesic support is typically modest but noticeable, especially where inflammation plays a role. Users sometimes report relief from tension headaches and muscular tightness without sedation. Pinene and limonene synergy may also contribute to perceived airway openness and alertness, though this varies by individual. Avoiding high doses helps prevent paradoxical anxiety in sensitive users.
Migraines, when treated early, may respond to the combination of distraction, mood lift, and mild anti-inflammatory cues. The bright terpene suite can be too stimulating for some migraineurs, so careful titration is essential. Those with sleep-onset issues may find Granite Haze more suitable in the late afternoon than at bedtime. If sedation is needed, later-harvest or mixed-chemovar strategies are preferable.
For appetite regulation, Granite Haze tends to be neutral to mildly stimulating rather than strongly hunger-inducing. This can be helpful for users wishing to avoid excessive caloric intake while seeking daytime symptom relief. Conversely, those needing appetite stimulation may prefer a myrcene-rich profile. Combining small amounts of Granite Haze with CBD can soften edges and lengthen comfort.
As with all cannabis use, start low and go slow remains the best practice. People with a history of panic disorder should use caution with sativa-leaning chemotypes. Drug interactions are possible; consult a clinician if taking medications metabolized by CYP450 enzymes. The medical utility is highly individualized and benefits from journaling dose, timing, and outcomes.
Comprehensive Cultivation Guide
Granite Haze blends sativa vigor with ruderalis practicality, making it approachable for both novice and seasoned growers. Indoors, a typical seed-to-harvest window is 75–90 days, with first pistils often appearing by day 21–28. Expect a stretch factor of 1.6–2.2x from preflower to mid-flower, influenced by PPFD and spectrum. Target final heights of 70–110 cm in 3–5 gallon containers with gentle training.
Environment and lighting: Maintain day temperatures of 24–26°C and nights at 20–22°C during early and mid bloom. Relative humidity should track 60–65% in early veg, 50–55% in early flower, and 45–50% in late flower. VPD between 0.9–1.1 kPa in veg and 1.1–1.3 kPa in flower supports stomatal function and terpene retention. Provide 18/6 or 20/4 lighting with PPFD targets of 450–600 µmol/m²/s in early veg, rising to 700–850 µmol/m²/s by mid-late bloom.
Substrates and feeding: Granite Haze performs well in coco-coir, soilless mixes, and living soil. In coco, start EC around 1.2–1.4 in week 1–2, increasing to 1.6–1.8 in week 3–5, and 1.9–2.1 in weeks 6–9, then taper. Maintain solution pH at 5.8–6.1 in coco/hydro and 6.3–6.7 in soil. Aim for a balanced NPK with extra calcium and magnesium under high-intensity LED.
Watering strategy: Autos resent early overwatering and heavy transplant stress. Begin in final containers or in small starter pots for 7–10 days before a single, careful up-pot. Water to 10–15% runoff in coco to prevent salt buildup; in soil, water by weight and avoid chronic saturation. Let the top 2–3 cm dry between irrigations in soil to deter fungus gnats.
Training: Favor low-stress training (LST) from day 14–28 to create a more even canopy. Avoid aggressive topping after day 18–21 to prevent yield loss in autos with short veg windows. Light defoliation at day 28–42 improves airflow without stalling growth. A simple manifold with early topping is possible in vigorous phenotypes, but timing is critical.
Nutrient timing: Increase phosphorus and potassium as pistils proliferate around day 28–35. Keep nitrogen moderate after day 35 to avoid leafy buds and terpene suppression. Supplemental magnesium (30–60 ppm) and calcium (100–150 ppm) stabilize photosynthesis and cell wall integrity. Silica at 50–100 ppm can improve stem strength and mitigate abiotic stress.
IPM and pest control: Implement a preventive program with weekly scouting and sticky cards. Maintain clean intakes and consider beneficial insects such as Amblyseius swirskii for thrips prevention and Hypoaspis miles for soil-dwelling larvae. Foliar sprays should cease by the second week of flower to protect trichomes. Keeping leaf surface temperature 1–2°C below ambient reduces mite pressure and protects terpenes.
Expected yields: Indoors, Granite Haze can deliver 450–600 g/m² in dialed-in environments using 600–800 W of efficient LED per 1.2–1.5 m² space. Single plants in 3–5 gallon pots often produce 60–120 g per plant. Outdoors, autos vary widely with climate, ranging 40–150 g per plant, with higher outputs in long, sunny summers. Genetics, light intensity, and root zone health drive the upper range.
Flowering cues and harvest: Watch for cloudy trichomes across the top third of the canopy beginning around day 60–70. For a bright, energetic effect, harvest at ~5–15% amber; for a slightly more grounded finish, wait for ~15–25% amber. Flush practices are debated; a 7–10 day period of low-EC feed and adequate water often improves burn quality. Keep an eye on fan leaf fade as nitrogen is tapered.
Drying and curing: Aim for 10–14 days of drying at 18–20°C and 55–60% RH with 0.3–0.5 m/s gentle airflow. Stems should snap rather than bend, indicating sufficient moisture loss. Cure in glass at 58–62% RH, burping daily for week 1, then every 2–3 days through week 3. Terpene expression improves noticeably from week 2 to week 6 of cure.
Outdoor tips: Because Granite Haze is an auto-capable hybrid, successive sowings can be staggered every 3–4 weeks for a rolling harvest. Choose the sunniest, most wind-protected site and consider fabric pots to warm the root zone. Night temperatures above 12°C maintain steady growth; cold snaps can slow metabolism but ruderalis heritage adds resilience. A simple hoop or rain cover prevents late-season botrytis during finish.
Common issues and solutions: Overfeeding nitrogen in mid-late flower is a frequent cause of harsh smoke and muted aroma—reduce N and raise K accordingly. Light bleaching at PPFD above ~900 µmol/m²/s in late bloom can wash out top colas—raise lights or supplement CO₂ if pushing intensity. Calcium deficiency shows as rust spots on newer leaves; increase Ca and ensure pH is on target. For droop and slow growth, reduce watering frequency and improve root aeration.
Genetic context: Granite Haze’s presence in third-party genealogies—such as a cross listed as Unknown Strain (Original Strains) x {Granite Haze (Speedrun Seeds) x Unknown Strain (Original Strains)} on SeedFinder—signals that breeders value its vigor and profile. This cross-reference, noted under AD 17 (KalySeeds), reflects how the cultivar contributes workable traits to new lines. From a grower’s standpoint, that often translates to predictable structure and receptive training windows. In practice, it means Granite Haze is both a finishing cultivar and a capable breeding ingredient.
Germination and early care: Fresh, properly stored seed generally exhibits 90–95% germination when kept at 24–26°C with moderate moisture. Paper towel or plug methods both work; transplant gently to avoid root disturbance. Provide 200–300 µmol/m²/s PPFD in days 3–10 to prevent stretching. Early, stable DLI sets the stage for strong flowering later.
Resource planning: For a 1 m² tent, plan 2–4 plants in 3–5 gallon pots, 300–500 W of LED, and active exhaust maintaining 0.5–1 air exchange per minute. Keep a calibrated pH/EC meter and a hygrometer-thermometer with logging. Budget for IPM supplies before problems arise. Track data weekly to correlate inputs with outputs and refine future runs.
By combining sativa expression with ruderalis timing, Granite Haze enables high-quality Haze-like results in compact schedules. It rewards stable environment, thoughtful nutrition, and gentle training. With those fundamentals, growers can reliably hit strong yields and expressive terpene profiles. Its practicality is the reason it’s appearing in breeder lineages and enthusiast gardens alike.
