Arjan's Ultra Haze Feminized Seeds

Ultra Haze is an elegant strain of grass that is perfect for fans of Sativa!

Arjan's Ultra Haze from Greenhouse Seed Co is a feminized seeds variety suited to growers who want a consistent photoperiod strain. These Seeds are intended for adult collectors and cultivators in regions where home growing is allowed.

This strain is known for its haze-style character and is typically chosen by growers who appreciate longer, more involved cultivation projects. Arjan's Ultra Haze can be used in different indoor or outdoor setups, depending on local conditions and regulations.

  • Photoperiod strain that requires a change in light cycle to begin flowering
  • Suitable for growers who enjoy managing taller, haze-influenced plants
  • Can be adapted to various training techniques to help control height and structure
  • Chosen by collectors looking to explore classic haze-style characteristics
  • Intended only for adults in areas where cultivating cannabis seeds is legal

About Arjan's Ultra Haze

Arjan's Ultra Haze is a sativa-leaning cannabis strain from Greenhouse Seed Co, created by combining Neville's Haze with Cambodian and Laos genetics. These origins give it a classic haze character that many growers associate with tall plants, longer flowering periods, and an uplifting profile.

This strain is offered as feminized seeds, making it a practical option for growers who want to focus their space and resources on productive plants. Arjan's Ultra Haze seeds are typically chosen by enthusiasts who appreciate complex haze lineages and are prepared to give the plants enough time and height to reach their full potential.

Key details

  • Strain name: Arjan's Ultra Haze
  • Type: Feminized photoperiod cannabis seeds
  • Genetics: Neville's Haze crossed with Cambodian and Laos
  • Growth pattern: Typically tall, sativa-style structure
  • Suitable for indoor or outdoor cultivation, depending on climate and space

Growing notes

  • Plants often develop a slender, stretching structure, so vertical space management and training techniques can be helpful.
  • Flowering time is usually on the longer side compared with many indica-dominant strains, reflecting its haze heritage.
  • Consistent light, stable temperatures, and careful nutrient management support healthy development throughout the cycle.
  • Growers often prefer to use support stakes or trellising to help branches carry the weight of mature flowers.

What to expect

With its Neville's Haze, Cambodian, and Laos background, Arjan's Ultra Haze typically produces a classic haze-style experience, often described as clear and uplifting. Aromas and flavors can vary by phenotype and growing conditions, but many growers associate this type of lineage with layered, complex profiles rather than simple, single-note scents. When grown from quality seeds in a well-managed environment, plants generally reward patience with elongated buds and a character that appeals to haze fans.

FAQ

  • Q: What kind of grower is Arjan's Ultra Haze suitable for?
    A:
    This strain is typically better suited to growers who have some experience managing taller, longer-flowering sativa-leaning plants, or beginners who are ready to research training and timing carefully.
  • Q: Can I grow Arjan's Ultra Haze seeds indoors?
    A:
    Yes, it can be grown indoors, but you should plan for its potential height and longer flowering period by using training methods and ensuring adequate ceiling clearance.
  • Q: How does the haze-dominant genetics affect flowering time?
    A:
    Haze-influenced strains like this often require more time in flower than many indica-dominant varieties, so growers typically allow an extended flowering window rather than expecting a quick finish.
  • Q: Is Arjan's Ultra Haze suitable for outdoor cultivation?
    A:
    It can perform well outdoors in regions with a long, stable growing season, where plants have enough time and favorable weather to complete their extended flowering phase.
  • Q: Do all Arjan's Ultra Haze plants show the same aroma and structure?
    A:
    As with many haze-based strains, individual plants from the same seeds can show some variation in height, structure, and aromatic profile, depending on phenotype and growing conditions.
Indoor Yes
Outdoor Yes
Cannabis Genetics Neville's Haze crossed with Cambodian and Laos.
Flowering Time 12 weeks
THC Strong
CBD 0.19%
CBN 0.53%
Cannabis Cup The first High Tech Crime Conference 2006.
Cup Winner Yes
Medical Yes
Height Info Tall
Flowering Outdoors prepared for the start of November
Indoor Yield up to 700 grams per square meter.
Outdoor Yield up to 1150 grams per plant
Sativa / Indica Type Sativa
Greenhouse Seed Co

🌱 Green House Seeds – Trusted Cannabis Genetics

Green House Seeds is a respected seed bank known for producing high-quality cannabis seeds with a focus on potency, flavor, and reliability. Whether you're looking for feminized, autoflowering, or CBD-rich strains, Green House Seeds offers a well-rounded catalog that meets the needs of beginners and expert growers alike.

With a commitment to genetic stability and grower satisfaction, Green House Seeds ensures consistent germination, resilient plants, and impressive yields across various environments.

🚀 Why Choose Green House Seeds?

  • 🌎 Diverse and stable cannabis genetics
  • 🌿 Great for indoor and outdoor grows
  • 🏆 Reputation for quality and performance
  • Excellent germination rates
  • 🔑 Trusted by growers worldwide

If you value genetic excellence, fast flowering, and potent results, Green House Seeds is a brand you can trust for your next grow.

🌱 Growing Cannabis Seeds – Common Questions

💧 How do I soak cannabis seeds before planting?

Place the seeds in a glass of cold tap water or rainwater and keep the glass in a dark place. Wait between 2 and 10 days until the seeds begin to sprout.

🌿 How deep should I plant germinated seeds?

Plant sprouted seeds about 0.5 cm deep in light, moist soil with the root pointing down. Handle gently to avoid damaging the sprout.

💧 How moist should the soil be for seedlings?

Keep the soil evenly moist but never soaked. Overwatering can drown young seedlings. A small propagator helps maintain humidity.

⚠️ What are common mistakes when growing cannabis seeds?

❌ Soil that’s too wet – the seedling may rot.
❌ Planting too deep – the seedling may not reach the surface.
Always ensure good drainage and shallow planting.

🌱 Do I need special soil or pots for growing?

Use seed-raising or herb soil and pots with drainage holes so excess water can escape. This prevents root rot and promotes healthy growth.

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