Northern Lights #5 x Haze Regular Seeds by Sensi Seeds – Award-Winning Sativa-Dominant Hybrid for High Yields & Energetic High

Northern Lights #5 x Haze Regular Seeds by Sensi Seeds deliver a powerful sativa-dominant experience with XXL yields, making them a cornerstone strain for serious cultivators who value award-winning genetics and breeding potential.

Ever feel like your harvests are a roll of the dice—some sessions fire up your mind, others barely spark? You plant the same strain, but get wildly different highs, aromas, or yields. It’s frustrating, inconsistent, and makes it impossible to trust your stash or plan your grow.

That unpredictability steals your confidence. You start doubting your skills, wondering if it’s the nutrients, the light, or just bad luck. You waste time and product chasing that one perfect high, never knowing what you’ll get until it’s too late.

With Northern Lights #5 x Haze, you’re not gambling—you’re growing a proven champion. This regular seed gives you full control over genetics, letting you select and clone the most stable, high-performing phenotypes. The result? Consistent, repeatable harvests with the same euphoric buzz, spicy-sweet flavor, and dense, resinous buds every single time.

Why Northern Lights #5 x Haze Delivers Reliable, Top-Tier Results

This strain’s stability comes from its elite lineage—pure Northern Lights #5 crossed with original Haze. The genetics are locked in, producing plants with minimal pheno variation. Whether you're growing indoors or outdoors, the structure stays true: tall, vigorous, and built to produce. Its regular nature means you can preserve the genetics long-term, create mother plants, or experiment with new crosses—giving you total control over consistency across generations.

Key Factors for Maximum Control and Predictability

• Use consistent light cycles (18/6 veg, 12/12 flower) to avoid stretching surprises.
• Start with high-quality soil or coco from Alg-A-Mic BioBizz to ensure strong root development and even growth.
• Control humidity (50–60% veg, 40–50% flower) to prevent mold and support resin production.
• Train early with LST or SCROG—this strain handles it well and responds with even canopy development.
• Harvest based on trichomes: milky for energetic highs, 10% amber for deeper relaxation.

Recommended Routine for Repeatable Success

1. Germinate seeds in a moist, dark environment at 22–25 °C.
2. Transplant to final pot (11–20 L) once roots emerge; use well-aerated substrate.
3. Apply root boosters like Voodoo Juice Advanced Nutrients during early growth for stronger phenotypes.
4. Switch to 12/12 light to initiate flowering after 4–6 weeks of veg.
5. Monitor trichome development weekly in the final 2–3 weeks.
6. Flush nutrients 7–10 days before harvest for a smoother smoke.
7. Cure buds slowly at 18–22 °C and 58–62% RH for optimal flavor and effect.

Advantages of Growing a Consistent Champion

• Build confidence in every grow—know exactly what to expect.
• Reduce waste by avoiding weak or unstable phenotypes.
• Clone your best performers to lock in superior traits.
• Spend less time troubleshooting, more time enjoying.
• Create your own breeding projects with trusted parent stock.

Technical specifications

• Breeder / Brand: Sensi Seeds
• Type: Regular
• Dominance: 70% Sativa / 30% Indica
• Genetics / Cross: Northern Lights #5 × Haze
• Flowering Time: 9–11 weeks (65–75 days)
• Height (Indoor): 1.20–1.70 m (3.94–5.58 ft)
• Height (Outdoor): 2.50–3.00 m (8.20–9.84 ft)
• Yield (Indoor): 450 g/m² (15.87 oz/ft²)
• Yield (Outdoor): 800 g/plant (28.22 oz/plant)
• Difficulty: Medium
• Structure and Vigour: Tall, branching, significant stretch in pre-flowering
• Resistance: Moderate resistance to mold; avoid humid climates
• Training: Responds well to LST, topping, SCROG
• THC: approx. 18–22%
• Aromatic profile: Myrcene, limonene, pinene
• Flavour: Sweet, spicy, earthy with citrus and pine notes
• Effect: Euphoric, cerebral, energizing, long-lasting

How to Grow Northern Lights #5 x Haze for Best Results

Quick overview: photoperiod regular · Sensi Seeds · 10–12 week flowering · medium difficulty · ideal for indoor or warm outdoor climates.

Safe start: germinate in paper towels or starter cubes at 22–25 °C.

• Keep humidity high (70%) until first leaves emerge.
• Transplant gently when radicle reaches 1 cm (0.39 in).
• Use Funky Fungi B.A.C to boost root resilience and early vigor.
• Avoid overwatering—let topsoil dry slightly between irrigations.
• Provide 18/6 light cycle from day one.

Directed growth: support stretch and branching with training.

• Top plants at 4–5 nodes to encourage lateral development.
• Apply LST early to manage height and improve light penetration.
• Use airy soil or coco with Pro Organic Grow for balanced nutrition.
• Water when top 2–3 cm (0.79–1.18 in) of soil is dry.
• Keep temps at 22–26 °C and RH at 50–60%.

Flowering by stages: manage stretch and support heavy colas.

• Expect significant stretch in first 2 weeks—secure plants early.
• Switch to bloom nutrients like Sensi Bloom A+B at first signs of flowers.
• Reduce RH to 40–50% to prevent bud rot.
• Use stakes or trellis netting to support dense buds.
• Flush 7–10 days before harvest for cleaner taste.

Harvest, drying and curing: maximize flavor and effect.

• Harvest when 10–15% of trichomes turn amber for balanced high.
• Dry slowly at 18–22 °C and 55–60% RH for 10–14 days.
• Cure in glass jars, burping daily for 2–4 weeks.
• Store in a cool, dark place to preserve terpenes.
• Enjoy a smooth, complex smoke with lasting euphoria.

Frequently Asked Questions

What if my plant isn’t producing the expected yield?

Check your light intensity, nutrient balance, and training. This strain thrives with strong light and proper support during stretch. Ensure you’re not over-pruning—moderate LST works best.

How do I know if I’m using the right amount of nutrients?

Watch for leaf color and growth rate. Dark green leaves mean enough nitrogen; yellowing tips suggest overfeeding. Always start with lower doses and increase gradually, especially in coco or hydro.

Can I grow this strain indoors without it getting too tall?

Absolutely. Use topping, LST, or SCROG to control height. Start flowering earlier (after 3–4 weeks veg) to keep plants under 1.50 m (4.92 ft) while still achieving solid yields.

Personal Experience of Pevgrow’s CEO (Alan)

I’ve grown dozens of sativas, but Northern Lights #5 x Haze stands out for its reliability and power. I first grew it in 2012, and even back then, the consistency blew me away. I kept a mother for five years—cloned her repeatedly—and every harvest delivered that same spicy-sweet aroma and cerebral rush. I love using SCROG with this one; it tames the height and turns those long colas into a wall of bud. Indoors, I run it in 18L pots with Plagron soil and Sensi Bloom—no fancy additives, just solid inputs. Outdoors, it’s a monster: one plant hit 2.80 m (9.19 ft) and gave me 850 g (1.87 lb). The high starts fast and bright, perfect for creativity, then mellows into deep relaxation. If you want a sativa that actually performs, this is your strain.