Auto Malawi x Northern Lights Feminized Seeds by Ace Seeds · High-Yielding Sativa-Indica Auto with Complex Terpenes

Auto Malawi x Northern Lights Feminized Seeds by Ace Seeds deliver a powerful, fast-finishing grow with exceptional yield and a complex sensory experience — all in a compact 9–10 week cycle.

Feeling like your autoflowering grows always fall short on flavor, potency or size? You’re not alone. Most autos sacrifice sativa brilliance for speed, leaving you with bland buds and underwhelming highs. And when you finally find one with character, it’s either too slow or too fragile for real-world conditions.

Now imagine an auto that actually delivers: huge colas, vibrant terpenes, and a high that starts bright and lucid, then melts into deep relaxation. No compromises. No endless waits. Just a robust, resilient plant that finishes fast and hits hard. That’s exactly what Ace Seeds engineered with Auto Malawi x Northern Lights — their very first autoflowering release, built from legendary genetics and battle-tested for real growers.

Why This Auto Actually Delivers on Sativa Potential

Unlike most autoflowering strains bred from indica-heavy stock, Auto Malawi x Northern Lights brings true sativa energy to the auto world. By crossing Old Killer Malawi — a pure African sativa powerhouse — with a robust autoflowering Northern Lights, Ace Seeds created a hybrid that’s both fast and flavorful. The result? A 50% sativa / 50% indica balance that gives you the best of both worlds: rapid maturity and a dynamic, evolving high.

• Fast 9–10 week grow from seed to harvest, indoors or outdoors
• High resistance to mold, pests, and temperature swings
• Produces up to 500 g/m² indoors or 150 g/plant outdoors (17.64 oz/m² or 5.29 oz/plant)
• Reaches 0.80–1.20 m (2.62–3.94 ft) indoors, taller outdoors
• Fragrant terpene profile: strawberry yogurt, pineapple, pear, and sweet cereals with honey
• THC levels between 10–15%, offering a smooth, balanced experience
• Perfect for Mediterranean, temperate, or continental climates up to 55º latitude

Stages and Monitoring of Auto Malawi x Northern Lights

Quick overview: autoflowering · Ace Seeds · 9–10 week cycle approx. · ideal for indoor tents, outdoor patios, or discreet urban grows.

Safe start: Germinate in a moist, dark environment at 22–25 °C. Transplant gently once the taproot is ~1 cm long. For a hassle-free start, Clonex Rooting Hormone Gel speeds up rooting and reduces transplant stress.

Directed growth: Use 18–20 hours of light daily. Start in a final pot of at least 18–27 L (4.76–7.13 gal) to maximize root development. In sustained growth, Growth Black Line by Agrobeta keeps leaves green and structure compact without overloading nutrients.

Efficient flowering: Maintain humidity at 40–50% and ensure strong airflow. Support heavy colas late in flowering. At peak bloom, Final Part helps with density and a cleaner taste.

Harvest and refinement: Harvest when trichomes are mostly milky with some amber for a balanced effect. Flush 7–10 days before harvest. Dry at 18–22 °C and 50–60% RH, then cure for 2–4 weeks to enhance flavor.

Technical specifications

• Breeder / Brand: Ace Seeds
• Type: Feminized autoflowering
• Dominance: 50% sativa / 50% indica
• Genetics / Cross: Old Killer Malawi × autoflowering Northern Lights
• Autos: 9–10 weeks from germination to harvest
• Yield: Up to 500 g/m² indoors (17.64 oz/ft²); up to 150 g/plant outdoors (5.29 oz/plant)
• Height: 0.80–1.20 m indoors (2.62–3.94 ft); taller outdoors
• Difficulty: Low to medium — ideal for beginners and experienced growers
• Structure and vigour: Vigorous, big-sized plants with strong lateral branching and a heavy main cola
• Ideal climate: Temperate, Mediterranean, continental; high resistance to heat and cold
• Resistance: High against botrytis, average-high against spider mites, powdery mildew, whitefly
• Training: Suitable for LST and light defoliation — avoid aggressive pruning
• Recommended pot / substrate: 18–27 L final pot; thrives in well-aerated soil or coco
• Light: 18–20 h daily throughout the cycle
• Temperature: 22–26 °C in veg, 20–25 °C in flowering
• Humidity: 60–70% seedling, 50–60% veg, 40–50% flowering
• pH: 6.0–6.5 in soil, 5.8–6.2 in coco/hydro
• Smell in grow: Medium to high — consider a carbon filter for discretion
• THC: 10–15%
• CBD: Below 0.05%
• Aromatic profile: Strawberry yogurt, pineapple, pear, peach, wood, liquor, honey
• Flavour: Sweet, floral, resinous, cereals with honey, fruity juice
• Effect: Balanced: starts cerebral and lucid, becomes warm and dreamy, finishes narcotic and relaxed — perfect for daytime or evening use

Frequently Asked Questions

What makes Auto Malawi x Northern Lights different from other autoflowering strains?

This strain stands out due to its sativa-rich genetics, complex terpene profile, and high yield. Most autos are indica-dominant and lack the aromatic depth and energetic onset that Malawi brings. Ace Seeds preserved the sativa soul while ensuring fast, reliable flowering.

Do I need to top or train this plant?

Not necessary, but low-stress training (LST) can help manage height and improve light penetration. Avoid topping or FIM — autos don’t recover well from aggressive pruning. Let it grow naturally for best results.

Why does yield vary between phenotypes?

This is an F4-F5 semi-stabilized hybrid, so it expresses two main phenotypes: one high-yielding sativa-indica with fruity aromas, and another more sativa-dominant with woodier notes and longer flowering. Both are potent, but the first is more productive and faster finishing.

Can I grow this outdoors in a colder climate?

Absolutely. It has high resistance to cold and can thrive up to 55º latitude. Start in spring to finish in summer, avoiding autumn humidity. Its autoflowering nature means it won’t wait for short days — it matures on its own schedule.

Personal Experience of Pevgrow’s CEO (Alan)

I’ve tested a lot of autoflowering strains, but Auto Malawi x Northern Lights was a game-changer. I grew it in a small outdoor setup in northern Spain, where most photoperiod plants struggle to finish before the rain hits. This one? It powered through — tall, bushy, and loaded with frosty buds by late summer.

I got the pheno with strawberry yogurt and pineapple vibes — absolutely delicious. The high started sharp and creative, perfect for afternoon sessions, then eased into a full-body calm that didn’t knock me out. I didn’t need to trellis it, but the main cola was so heavy I did give it light support. My only tip: go big on the pot early. I used 25 L (6.6 gal) and saw a massive difference in yield. If you want fast, flavorful, and fearless autos, this is your seed.