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HybridBalanced hybrid (expression varies by phenotype; sativa-leaning to indica-leaning depending on cut)16-25% THC

Stardawg

Also known as: Star Dawg, Stardog

Breeder: JJ Edwards (JJ NYC) / Top Dawg Seeds

One of the most important Chemdawg descendants in modern cannabis breeding. Released in 2011, it rapidly became a cultural phenomenon — particularly in the United Kingdom where it remains one of the most recognized strains. Its appeal lies in extreme trichome production giving buds a star-covered appearance, pungent diesel-forward aroma, and consistent performance as a breeding stud. The original seeds were released in very limited runs with the father plant destroyed afterward. SeedFinder lists 186 direct descendants, making it one of the most prolific breeding parents of the 2010s.

Lineage
Chemdawg 4 x Tres Dawg
THC Range
16-25% (most quality batches 20-25%; exceptional grows to 27%)
Flower Time
8-10 weeks (most phenos finish 9-10 weeks; ~67 days); outdoor harvest late September to mid-October
Difficulty
Intermediate

Lineage & Genetics

Cross: Chemdawg 4 x Tres Dawg

Parent strains in encyclopedia:ChemdawgAfghani

Chemdawg #4 (one of the phenotypes from the original 13 Chemdog seeds found at a 1991 Grateful Dead concert) is an indica-dominant hybrid contributing distinct industrial lemon-cleaner/Lemon Pledge aroma, massive resin production, heavy yields, and the heavy trichome coverage. Tres Dawg (Chemdawg D x Afghani #1 from Sensi Seeds, backcrossed twice to Chem D, bred by JJ NYC) is an indica-dominant hybrid contributing diesel-rich nose with hash-forward earthiness, dense tight bud structure, structural integrity with thick stems, manageable height, tight internodes, and faster flowering.

Terpene Profile

DOMINANT

Beta-CaryophylleneSpicy, peppery, diesel bite; CB2 receptor agonist; 0.3-0.8%

DOMINANT

MyrceneEarthy, musky, herbal; enhances THC absorption; 0.4-1.0%

SECONDARY

LimoneneCitrus brightness, lemon zest; mood elevation; 0.2-0.6%

SECONDARY

HumuleneWoody, hoppy; modulates caryophyllene's spice; 0.1-0.3%

SECONDARY

Alpha/Beta-PinenePine-fresh sharpness; perceived focus lift; 0.1-0.3% combined

SECONDARY

LinaloolFloral, calming; softens the diesel edges; 0.05-0.15%

Aroma: Sharp diesel fuel layered over earthy pine with bright citrus overtones. Room-filling and immediately recognizable — described as nostril-singeing. Some phenos throw subtle guava/tropical sweetness. The Guava cut has more tropical top notes while Corey Haim and Illuminati cuts lean harder into acrid chemical fuel.

Flavor: Diesel-forward with chemical/lemon-cleaner sharpness from the Chem 4 heritage on inhale. Earthy, piney with smooth lingering finish on exhale. The caryophyllene-driven spice becomes more prominent on the exhale.

Effects & Experience

Onset: Fast-acting cerebral rush — energetic, focused, and euphoric

Uplifting and talkative with enhanced creativity and sociability. A warm physical relaxation builds over 30-60 minutes, grounding the cerebral energy without full sedation. The Illuminati and Corey Haim cuts are significantly more potent and can cause anxiety in low-tolerance users.

Duration: Long-lasting effects

Commonly Reported Uses

StressDepressionAnxietyChronic painFatigueAppetite loss

Growing Characteristics

Flower Time
8-10 weeks (most phenos finish 9-10 weeks; ~67 days); outdoor harvest late September to mid-October
Yield (Indoor)
400-500 g/m² trained and optimized; 300-370 g/m² moderate setup
Yield (Outdoor)
400-750 g/plant (upper range requires ideal conditions)
Difficulty
Intermediate
Height
Up to 47 inches (120 cm) indoors; grows upright and tall, not naturally bushy
Environment
Performs well in both indoor and outdoor but achieves best results in controlled indoor. Day temp 70-80°F veg, 68-78°F flower. Night temp 60-70°F veg, 62-65°F flower. Humidity 60-70% veg, 40-50% flower. Dropping night temps to 62-65°F during final two weeks intensifies terpene production. Proven results under both HPS and LED at 600+ PPFD with DLI of 36-37 during peak flower.

Grow Tips: Stardawg grows upright and tall and is not naturally bushy. Without training it produces a single dominant cola with limited lateral development — training is essential to maximize yield and manage height. Recommended protocol: top above the 4th or 5th node to break apical dominance, begin LST immediately after topping to create a flat even canopy, use ScrOG (weave branches through trellis net) which is particularly productive given the vigorous stretch. Expect 40-60% stretch after the flip to 12/12 — plan canopy height accordingly and flip early in short tents. Allow 4 days of recovery after topping before flipping. Moderate defoliation in weeks 1 and 3 of flower improves airflow and light penetration. The smell is extreme — carbon filtration is mandatory and you may need multiple filters or supplemental odor control. Stardawg is a heavy feeder that responds well to robust nutrient programs. Proven nutrient regimen from a 6-cycle grower: Canna Coco range (A+B at 3ml/L, Cannazym at 2ml/L, CalMag at 0.5ml/L during veg) in 70% coco / 30% perlite, 12L fabric pots, hand-fed drain-to-waste, averaging 4.5 oz/plant consistently. EC targets: 1.0-1.4 veg, 1.4-1.8 flower. pH 6.0-6.5 soil, 5.8-6.2 coco/hydro. Flush with plain water 1-2 weeks before harvest. Trichome production is exceptional — the crystalline coverage makes it excellent for extraction (hash, rosin, concentrates). Pest and mold resistance is above average — multiple sources note resilience making it forgiving in imperfect environments. Watch for hermaphroditism from the Chem heritage though JJ noted the Tres Dawg male's stability — lots of people say Chems are unstable but this has been consistent with not throwing hermaphrodites. Still minimize stress (light leaks, temperature swings). The Purple Tres Dawg male (3rd release) throws purple phenotypes in all offspring. Harvest when all trichomes are cloudy with 15-20% amber for peak potency with balanced body effect. Grower-submitted real data: outdoor greenhouse with supplemental light yielded 652g at 24.1% THC in 9 weeks (Colorado); 5x5 tent with 1000W HPS, ScrOG + topping yielded 422g at 24.1% THC in 9 weeks.

History & Origin

JJ NYC began breeding around 2006-2007 in the NYC underground cannabis scene. He traded Sour Diesel with AJ for Chem 91 to begin his Chemdawg preservation project. He crossed Chem D x Afghani #1 (Sensi Seeds) and backcrossed twice to create Tres Dawg around 2006-2007. Around 2008-2010, JJ crossed Chemdawg #4 x Tres Dawg to create Stardawg. First seeds released in 2011 (regular only, very limited). The Guava phenotype won 1st Place Best Sativa at the 2012 Denver HTCC. Four total releases occurred (last around 2016), each using a different Tres Dawg male. The third purple release produced the Kate Upton phenotype discovered by Green Dot Labs in Boulder, which became the most widely used in breeding. Named after "Stardog Champion" by Mother Love Bone.

Awards & Recognition

  • 1st Place Best Sativa, Denver High Times Cannabis Cup 2012 (Guava cut)
  • 3rd Place Sativa, Denver High Times Cannabis Cup 2013
  • 2nd Place Indica, Seattle High Times Cannabis Cup 2013
  • High Times Breeder Hall of Fame inductee (JJ/Top Dawg Seeds)

Notable Crosses

Strains bred using Stardawg as a parent:

Stardawg IXStardawg (Corey Haim) x Stardawg
I-95Triangle Kush x (Legend OG x Stardawg IX2)
Creme De La ChemStardawg Illuminati Cut x Chemdogging (Mephisto Genetics)
Acid DawgStardawg x Sour Diesel BX3 (Karma Genetics)
3 ChemsStardawg x ONYCD

Want to Grow Stardawg?

Check our genetics menu for available clones or call us to discuss your growing needs.