Description
Rooted in some of the most celebrated sativa bloodlines ever assembled, Arjan's Ultra Haze #1 from Greenhouse Seed Co. brings together Neville's Haze, Cambodian, and Laotian genetics into a strain that stands apart. The aroma leans into bright fruit with a clean minty edge, and the effect is a deeply cerebral, psychedelic sativa high, intense and expansive, best suited to experienced consumers who know what they are inviting in. THC runs between 16 and 24 percent, with negligible CBD.
This is a cultivar that rewards patient, prepared growers. As a feminised photoperiod plant, it stretches large indoors and outdoors alike, so adequate vertical space is essential when planning your canopy. The flowering window runs 10 to 12 weeks, on the longer side for indoor schedules, but the yields justify the commitment: indoor gardens can expect above 600 g/m2, while outdoor plants are capable of exceeding 750 g per plant. Growers who can give it room and time will find it hard to argue with the results.
Arjan's Ultra Haze #1 Feminised Seeds
Description:
A soaring, psychedelic sativa built from Neville's Haze crossed with Cambodian and Laotian genetics, Greenhouse Seed Co.'s Arjan's Ultra Haze #1 delivers fruity, minty complexity alongside a high-THC experience that commands respect.
Best For
Experienced growers seeking an uplifting, energizing head high
- Type
- Feminised – Photoperiod
- Genetics
- Neville's Haze x Cambodian x Laos
- THC / CBD
- High THC (16-24%) / Low CBD (0-1%)
- Effects
- Psychedelic,Uplifting
- Flavour / Aroma
- Fruity,Minty
- Height
- Large
- Yield
- Very High Yield (above 750gr/plant) / Very High Yield (above 600gr/m2)
- Flowering Time
- 10 to 12 weeks
- Difficulty
- Advanced
FAQ
All you need to know
about this product
Arjan's Ultra Haze #1 brings together legendary sativa bloodlines and extraordinary yields, ready for experienced growers prepared to give this cultivar the patience it deserves.
This is a deeply cerebral, psychedelic sativa high — expansive and intensely uplifting rather than relaxing. THC sits between 16 and 24 percent, so the experience can be powerful and is best suited to consumers already comfortable with high-THC sativas.
Flowering runs 10 to 12 weeks, which is on the longer end even for a haze-dominant variety. That extended timeline is the trade-off for the extraordinary yields and the complexity those Cambodian and Laotian genetics bring to the finished flower.
Arjan's Ultra Haze #1 is rated as an advanced cultivar and genuinely earns that label. The plant grows very large, needs careful canopy management, and its long flowering window demands consistent environmental control — growers with a few harvests under their belt will get far more out of it.
The aroma and flavour profile blends bright, ripe fruitiness with a clean minty edge — an unusual and appealing combination that reflects the diverse landrace genetics in its background. The finish is fresh and complex rather than the earthy or diesel notes more common in indica-leaning strains.
You Might Also Like
Discover more
legendary genetics
Explore handpicked strains with similar flavors and traits — perfect for your next grow.
Trainwreck Feminised Seeds
A legendary clone-only Californian hybrid, Greenhouse Seed Co.'s Trainwreck Feminised delivers a fast-hitting, intensely cerebral experience wrapped in sharp mint and spice, backed by extraordinary yields that reward the patient cultivator.
Pure Kush Feminised Seeds
A Greenhouse Seed Co. selection of rare Kush genetics, Pure Kush delivers deep, spicy-woody complexity and a heavy, sedating effect that stays with you long after the session ends.
White Widow Auto Feminised Seeds
A faithful expression of the legendary White Widow lineage, Greenhouse Seed Co.'s autoflowering feminised version delivers the same complex body stone and clear-headed cerebral lift in an accessible, fast-cycling package.