Arjan’s Ultra Haze #1 – Green House Seeds (Feminised)


A long-flowering, predominantly sativa hybrid offering a slow-building, meditative high with herbal, woody flavours and exceptional outdoor yields.


Introduction:

Arjan’s Ultra Haze #1 is a classic, long-maturing sativa created by Green House Seeds from a blend of legendary Southeast Asian landraces and Neville’s Haze. Celebrated for its mellow, introspective high and towering growth, this award-winning strain rewards patient growers with deeply aromatic flowers and outstanding yields, particularly in outdoor environments.


Strain Information:

Strain Name: Arjan’s Ultra Haze #1

Breeder: Green House Seeds

Lineage: Neville’s Haze × Cambodian × Laos

Genetics: Predominantly Sativa

Seed Type: Feminised

Flowering Type: Photoperiod

Flowering Time: Indoors: 13–14 weeks; Outdoors: Ready by early November (Northern Hemisphere)

Effect: Slow-building, gentle sativa high; deeply introspective and meditative

Aroma: Herbal and earthy with tropical spice

Taste: Smooth and woody with floral undertones and a hint of sweetness

Height: Very tall, with extended side branching

Yield: Indoors: Up to 700 g/m²; Outdoors: Up to 1150 g per plant

Awards: 1st Place – High Times Cannabis Cup 2006

THC Content: Not specified

CBD Content: Not specified


Strain Description:

Arjan’s Ultra Haze #1 merges Neville’s Haze with Cambodian and Laos landraces to create a sativa of exceptional length, elegance, and clarity. Its elongated branches and wide internodal spacing make it ideal for training methods such as LST. The effect is gradual and soothing, developing into a thoughtful, meditative cerebral state rather than an overwhelming buzz. As flowering progresses, it forms large, resin-coated colas filled with nuanced aromatic complexity.


Growing Information:

This strain is best suited to growers with experience managing height and long flowering cycles. Indoors, it excels in SCROG or LST setups and requires patience through its 13–14 week maturation. Yields can reach 700 g/m² under optimal conditions. Outdoors, it thrives in tropical to temperate regions and can deliver up to 1150 g per plant by early November. Its resilience and high reward make it a strong choice for those committed to cultivating a traditional sativa profile.


Flavour and Aromas:

Arjan’s Ultra Haze #1 features a layered aromatic profile rooted in earthy herbs and tropical spice. The flavour is smooth and woody, complemented by floral sweetness and subtle spice on the finish. Its palate reflects its Southeast Asian heritage and pairs harmoniously with the strain’s gentle, introspective effects.


Strain Lineage:

Neville’s Haze: A renowned sativa known for clear, cerebral effects and long flowering traits.

Cambodian: A traditional landrace contributing bright, energetic sativa qualities.

Laos: A Southeast Asian landrace providing clarity, resilience, and uplifting influence.


Effects:

This strain offers a slow-onset sativa high that gently builds into a meditative, reflective cerebral space. Ideal for quiet moments, introspection, or creative pursuits, it provides clarity without overstimulation. The calming tempo of the high makes it well-suited to users who prefer subtlety and depth over intensity.


Strain Summary:

Arjan’s Ultra Haze #1 is a tribute to classic sativa genetics, offering a measured, thoughtful psychoactive experience and exceptional yields. With its award-winning lineage, tall growth, and complex herbal-woody profile, it appeals strongly to enthusiasts who appreciate dedication and patience in the grow cycle. Its serene, meditative high makes it a standout strain for peaceful, mindful enjoyment.


Disclaimer: All seeds sold at Breeders Collective are strictly intended as souvenirs and for preservation purposes. We do not condone or encourage illegal activity. Please ensure you understand and comply with your local laws regarding cannabis seeds and cultivation.