- XJ-13 is a hybrid Hybrid (Sativa-dominant 60/40) strain originating from USA (California), dating back to 1995.
- Lab tests place its THC content at approximately 22-27%.
- Its lineage runs through Jack Herer x G13, making it a key reference point for breeders.
- 1 documented strain descend from XJ-13, including modern market favourites.
- Dominant terpenes: Terpinolene, Caryophyllene, Pinene — driving its signature aroma and effects.
About XJ-13
XJ-13 is a classic California hybrid bred in the early 2000s, combining two of the most celebrated strains of the medical era: Jack Herer and the legendary G13. The cultivar produces large, resinous colas with vivid lime-green calyxes and golden-yellow pistils covered in a sparkling layer of trichomes. The aroma is bright, clean, and invigorating—exploding with sweet lemon Pine-Sol, zesty lime, fresh herbal mint, and sweet spicy haze incense. The smoke is silky smooth, delivering a clear-headed, uplifting cerebral high that stimulates creative thinking and social warmth while relieving anxiety without physical fatigue.
Flavor Profile
The Story & Lineage Origin
🌲 1. The Early 2000s California Medical Boom
XJ-13 was bred in Northern California in the early 2000s and quickly became a staple in early Bay Area and Oaksterdam dispensaries. By crossing Jack Herer with G13, growers sought to reduce Jack's long flowering time while adding dense bud structure.
🍋 2. Lemon Pine-Sol & Sweet Haze Terpenes
The cultivar's signature aroma of sweet citrus cleaning solution, pine needles, and spicy haze incense made it instantly recognizable on dispensary shelves across the West Coast.
🎨 The Functional Creative: XJ-13 became famous as the 'anti-anxiety sativa'—delivering motivating, focus-enhancing cerebral energy that helps with ADD, depression, and creative blocks without triggering paranoia.
Seeds & Availability
XJ-13 was bred by Bay Area Medical Collective, Oaksterdam Pioneers. Official seed packs from the breeder and authorized retailers sell out fast and are frequently counterfeited — verify pack authenticity (breeder logo, batch codes) before buying, and expect phenotype variation between packs.
Genetic Background
Jack Herer (Haze x Northern Lights #5 x Shiva Skunk) crossed with G13 (legendary government/Afghani clone-only)
Phenotypes & Cultivars
XJ-13 is available in the following phenotypes and cultivars:
Awards & Recognition
XJ-13 has earned the following recognition:
Terpene Profile
XJ-13 is dominated by Terpinolene, Caryophyllene, Pinene, along with 1 other minor terpenes. These compounds shape the strain's aroma, flavor, and reported effects.
Known Offspring
Strains that descend from XJ-13:
Frequently Asked Questions
What is the THC percentage of XJ-13?
XJ-13 typically tests at 22-27% THC content in lab results, though actual potency varies by phenotype, growing conditions, and harvest. As a sativa-leaning strain, the THC delivers an uplifting cerebral experience.
Is XJ-13 a sativa or indica?
XJ-13 is a sativa-dominant hybrid cannabis strain (Hybrid (Sativa-dominant 60/40)). Bred from Jack Herer x G13, its effects lean toward an uplifting, cerebral sativa experience. Users report: Energetic, euphoric, cerebral, focused, creative.
XJ-13 strain review — what to expect
XJ-13 is known for Energetic, euphoric, cerebral, focused, creative. Jack Herer × G13. A legendary early 2000s California medical staple combining the soaring pine-haze clarity of Jack Herer with the mythical potency of G13. The aroma profile features sweet citrus, pine, fuel, haze, spice. Dominant terpenes: Terpinolene, Caryophyllene, Pinene.
What is XJ-13 crossed from?
XJ-13 was bred from Jack Herer x G13. Detailed ancestry: Jack Herer (Haze x Northern Lights #5 x Shiva Skunk) crossed with G13 (legendary government/Afghani clone-only). This cross produces the strain's characteristic effects, terpene profile, and growth pattern.
What terpenes are in XJ-13?
XJ-13 is dominated by Terpinolene, Caryophyllene, Pinene, with 1 additional minor terpenes. These aromatic compounds shape the strain's signature flavor, aroma, and contribute to its reported effects through the entourage effect.
How much does XJ-13 yield and how long does it flower?
XJ-13 has a flowering time of 8-9 weeks and produces high (500-600 g/m²) yields. Plants reach medium to tall height, making it better suited for larger grow spaces with vertical room.
What is XJ-13 and where does it come from?
XJ-13 is a sativa-dominant hybrid cannabis strain that originates from USA (California). It belongs to the 1990s era of cannabis genetics. Jack Herer × G13. A legendary early 2000s California medical staple combining the soaring pine-haze clarity of Jack Herer with the mythical potency of G13.
What is the genetic background of XJ-13?
XJ-13 has the following ancestry: Jack Herer (Haze x Northern Lights #5 x Shiva Skunk) crossed with G13 (legendary government/Afghani clone-only).
Is XJ-13 indica or sativa?
XJ-13 is a sativa-dominant hybrid cannabis strain. Learn how in indica vs sativa classification differs in our strain guide.
What does XJ-13 smell and taste like?
XJ-13 has a Sweet citrus, pine, fuel, haze, spice aroma, with flavors described as Citrus, pine, fuel, sweetness, floral. Its dominant terpenes are Terpinolene, Caryophyllene, Pinene.
What are the effects of XJ-13?
Users report Energetic, euphoric, cerebral, focused, creative. As a sativa-dominant strain, it leans toward uplifting cerebral effects.
How strong is XJ-13? (THC & CBD content)
XJ-13 typically tests at 22-27% THC with low CBD. Strength always varies by grow and harvest.
Medical Applications
XJ-13 is commonly associated with: