The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 6026Indica

Arjans Ultra Haze 1 by Green House Seeds

Haze × Southeast Asian

Arjans Ultra Haze 1, developed by Green House Seeds, is a sativa-dominant cultivar originating in the mid-2000s. It was bred to offer a potent cerebral experience with a balanced composure, avoiding the excessive racy feelings sometimes associated with Haze strains. This variety is recognized for its extended duration and its suitability for contemplative and creative activities.

EffectsCerebral Calm Clear-headed Contemplative Focus Uplifting
May help withStress
AromaCitrusFloralHerbalIncenseMangoPineSpiceSweet Tea

Appearance

Arjans Ultra Haze 1 displays classic sativa plant structure with long internodes and narrow leaflets. Plants undergo significant vertical growth, especially after transitioning to flowering, often stretching 200-300%. The buds are elongated and tapered, featuring abundant trichome coverage that gives them a frosted appearance. Colors can range from lime to olive green, sometimes showing lavender hues in cooler temperatures, with bright orange pistils.

The buds are less dense than indica-dominant varieties, often exhibiting some foxtailing, a common trait in Haze genetics. Support may be necessary for larger colas during the later stages of flowering to manage their weight.

Aroma & Flavor

The aroma of Arjans Ultra Haze 1 is complex, combining sweet citrus rind, cedar, and floral incense notes. When ground, the scent profile expands to include hints of anise, basil, and a subtle mango undertone. With curing, the aroma evolves to feature a balance of pine, lemon, and spice, often with a lingering sweet tea character.

Flavors mirror the aroma, with initial notes of lemon peel, sweet basil, and pine on the inhale. The exhale reveals smoother cedar and sandalwood undertones, sometimes accompanied by a mild white pepper sensation. Vaporization at moderate temperatures highlights the citrus and floral notes, while higher temperatures can bring out woodier and peppery characteristics. A clean, lingering aftertaste reminiscent of green tea with lime is frequently reported.

Effects

Arjans Ultra Haze 1 is known for delivering a pronounced cerebral elevation that is both uplifting and contemplative. Users often describe an experience that promotes clear-headedness and focus, making it suitable for extended creative sessions or introspective thought. The effects are characterized by their long duration, typically lasting two to three hours.

While providing a significant mental uplift, the strain is also noted for its composure, aiming to avoid the overwhelming racy or anxious sensations that can sometimes accompany potent sativa varieties. It is considered a good option for those seeking sustained mental engagement without pronounced physical sedation.

Terpenes & Cannabinoids

The terpene profile of Arjans Ultra Haze 1 is driven by compounds like terpinolene and ocimene, contributing to its bright, airy lift. Myrcene adds herbal depth, while limonene provides a zesty citrus note. Beta-caryophyllene contributes a subtle peppery warmth, most noticeable after grinding the flower. Total terpene content can range from 1.5 to 3.0 percent by weight in well-cultivated examples.

This cultivar typically exhibits low CBD content, generally below 1%, with THC levels ranging from 15% to 25%. It may also contain trace amounts of THCV, a cannabinoid common in classic Haze genetics.

Growing

Arjans Ultra Haze 1 requires attention to its sativa lineage, particularly regarding its significant vertical growth after the light cycle change. It exhibits responsive lateral growth when trained and has a longer flowering period compared to many hybrids. Growers should anticipate a pronounced stretch and may need to provide support for the developing colas.

This strain is well-suited for environments where long growing seasons are possible, though it can be cultivated indoors with adequate space management. Its genetic background suggests a preference for conditions that allow for slow, steady development to maximize its aromatic and psychoactive potential.

Origins & Lineage

Developed by Green House Seeds in Amsterdam during the mid-2000s, Arjans Ultra Haze 1 is a product of founder Arjan Roskam's dedication to refining Haze genetics. The strain represents a multi-generational selection process aimed at balancing the energetic qualities of classic Haze with enhanced composure and clarity.

Its lineage draws from multiple Haze-dominant parents, incorporating Southeast Asian influences. The goal was to preserve the characteristic Haze headspace and incense-like aroma while moderating its intensity and extending the duration of its effects. This iterative selection process has resulted in a cultivar known for its consistent, repeatable Haze experience.

Frequently asked questions

What is the THC and CBD content of Arjans Ultra Haze 1?
Arjans Ultra Haze 1 typically contains THC levels between 15-25% and CBD content below 1%.
What are the dominant terpenes in Arjans Ultra Haze 1?
The dominant terpenes often include terpinolene and ocimene, contributing to its bright aroma, along with myrcene, limonene, and caryophyllene.
What kind of effects can be expected from Arjans Ultra Haze 1?
Users can expect a cerebral, uplifting, and contemplative experience that promotes focus and creativity, with effects lasting for an extended period.
What are the aroma and flavor profiles of Arjans Ultra Haze 1?
It offers a complex aroma and flavor profile featuring citrus, cedar, floral incense, pine, and subtle mango or sweet tea notes.