Greenhouse Seed Company

Arjan’s Ultra Haze #2

★★★★ 4.0 · 29 reviews 100% Germ Guarantee
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Every Arjan’s Ultra Haze #2 seed is guaranteed to germinate. If any seed in your pack doesn't pop, we replace it free — no hassle, no extra cost.
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About this strain

Type: Sativa-Dominant Hybrid (80% Sativa / 20% Indica) | Feminized Photoperiod
Genetics: Neville’s Haze × Mango Haze × Laos
22.53
Flowering Time (Indoor): 12–13 Weeks
Harvest (Outdoor): 4th Week of October (Northern Hemisphere)
Yield:
• Indoor: Up to 800g/m²
• Outdoor: Up to 1000g/plant
Height:
• Indoor: Tall — needs training
• Outdoor: Can reach 230 cm+

Terpene Profile: Tropical mango, citrus zest, ripe fruit, metallic haze
Effect: Uplifting, energetic, and socially engaging with a long-lasting cerebral high

 

Arjan’s Ultra Haze #2 is a multi-award-winning sativa-dominant hybrid designed for lovers of classic Haze energy and tropical terpene complexity.

A three-way cross of Neville’s Haze, Mango Haze, and a Laos landrace, this cultivar brings the best of old-school psychotropic effects and new-school fruity flavor in one massive-yielding plant.

With bright mango fruit, metallic haze spice, and an easy-going yet powerful mental high, this strain is ideal for daytime use, social settings, or creative productivity — perfect for the sativa connoisseur who wants clarity without paranoia.

Genetics & Origins

Neville’s Haze delivers long-lasting cerebral effects, metallic sharpness, and towering growth
Mango Haze contributes tropical sweetness, fruity terps, and a social, happy buzz
Laos Landrace rounds out the high with deep haze power and exotic resin traits

Together, these three classics create a refined and uplifting sativa with massive size and unforgettable flavor.

Effects & Experience

• Uplifting and thought-provoking
• Social, chatty, and giggly
• Long-lasting cerebral high without heavy crash
• Smooth onset — not overwhelming despite potency

Perfect for daytime activities, deep conversations, art sessions, or anytime your mind needs to be energized and open.

Flavor & Aroma

• Ripe mango and tropical fruit upfront
• Citrus zest and floral sweetness
• Metallic haze notes in the background from Neville’s
• Complex and layered — tropical, spicy, and slightly musky

A unique terp profile driven by α-Pinene, β-Caryophyllene, and α-Phellandrene — a true sativa smoker’s delight.

Growing Information

Indoor Cultivation:
• Long flower time: 12–13 weeks
• Tall structure — requires topping, LST, or SCROG
• Produces long, airy colas with excellent resin coverage
• Rewarding in vertical or high-ceiling environments

Outdoor Cultivation:
• Reaches 2.3 meters or more
• Ready by late October
• Huge yields with tropical/tropical-adjacent climate compatibility
• Needs support and spacing to manage size and airflow

Grow Tips: Keep airflow strong and avoid overfeeding. These plants love light training and long veg times for ultimate yields.

Medical & Recreational Benefits

• Supports energy, motivation, and mental clarity
• Mood-elevating and socially stimulating
• May assist with low mood, fatigue, or social anxiety
• Functional without sedation — ideal for daytime use

Why Choose This Strain?

Arjan’s Ultra Haze #2 is a true tropical sativa that balances psychoactive intensity with social smoothness.

With award-winning flavor, serious height, and uplifting clarity, it’s a must for any Haze hunter or landrace collector.

If you love the head high of old-school Hazes but want it sweetened, smoothed, and supercharged, this one’s for you.

Grower's spec sheet
Genetics & Grow Data
Packsize1 Pack, 3 Pack, 5 Pack
Empty fields show a fill-in placeholder until you add the data per strain. Yields vary with grower experience, medium, environment, and nutrients.
What growers say
5.0
★★★★★
42 reviews
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★★★★★

As a disabled Army veteran, finding balance after service isn't always easy. Cannabis became an important part of that process for me, and companies like...

★★★★★

An awesome company, top to bottom, great customer service and they always have huge discounts to get the most bang for your buck!

★★★★★

Quick responses from customer support. Even faster shipping time. Popping these babies soon. Super excited!

★★★★★

So far so good nothing to complain about

Pairs well with
Common Questions
Seeds are sold as adult novelty and collectible items. It's your responsibility to know and follow the laws in your area before germinating.
Spend $120 to unlock 18 free seeds ($270 value) plus free shipping. Eligible freebies are added automatically at checkout — no code needed.
Our 100% germination guarantee has you covered. Reach out with your order number and we'll replace any seed that doesn't pop.
99% of orders ship within 1–2 business days from Nevada in discreet, crush-proof packaging with no external branding.
Blueberry Muffin grows uniformly and forgivingly, which makes it a confident pick for newer growers. Difficulty details appear in the spec sheet once added.