White Widow Feminized Cannabis Seeds by Royal Queen Seeds – Legendary 50/50 Hybrid for High Yields & Balanced Effects

White Widow feminized seeds by Royal Queen Seeds are your ticket to growing one of the most legendary cannabis strains on the planet—a perfectly balanced 50% indica, 50% sativa hybrid that delivers powerful effects, sky-high resin production, and yields that impress both beginners and seasoned growers.

Are you still settling for average strains when you could be growing a legend?

Let’s be real: most strains promise big but fizzle out when it counts. They’re finicky, low-yielding, or just don’t deliver that full-spectrum experience you’re after. You want something reliable, potent, and timeless—not just another trendy hybrid that disappears next season.

What happens if you keep ignoring the classics?

You risk wasting time, space, and energy on forgettable plants that don’t pack the punch or flavor you deserve. Without a proven performer like White Widow, you’re gambling on genetics that haven’t stood the test of time. And when harvest comes, you’re left with mediocre buds, weak effects, and the nagging feeling you could’ve done better.

White Widow feminized seeds are the proven solution for growers who want legendary quality, every time

Royal Queen Seeds’ White Widow isn’t a knockoff or a pale imitation—it’s a carefully refined version of the original Dutch classic, bred using White Widow S1 genetics for maximum stability and performance. This is the strain that defined an era, now upgraded for modern cultivation. With explosive resin production, a balanced high, and yields that consistently hit 450–500 g/m² indoors or 550–600 g/plant outdoors, it’s the ultimate all-rounder. Whether you're growing in a tent, greenhouse, or backyard, White Widow thrives—even in cooler climates like the UK or France.

What this strain delivers in your grow room and your life

You’re not just growing a plant—you’re cultivating an experience. White Widow gives you dense, frosty colas that shimmer with trichomes, a clean pine-and-citrus aroma that fills the room, and a high that starts cerebral and uplifting before melting into deep physical relaxation. It’s the perfect companion for creative sessions, social hangs, or unwinding after a long day. And thanks to its manageable height and resilience, it fits seamlessly into SOG or SCROG setups without demanding constant attention.

Key features and benefits at a glance

• 50% indica / 50% sativa hybrid – perfect balance for head and body effects
• THC up to 19% – delivers a powerful, long-lasting high
• Indoor yields of 450–500 g/m² (1.6–1.8 oz/ft²) – massive returns in limited space
• Outdoor harvests of 550–600 g/plant (1.9–2.1 lb/plant) – robust performance in diverse climates
• Flowering time of 8–10 weeks – fast finish without sacrificing quality
• Compact indoor height of 0.60–1.00 m (2.0–3.3 ft) – ideal for stealth grows
• Outdoor height up to 1.90 m (6.2 ft) – strong, resilient structure
• High resistance to mold and pests – thrives even in humid or cooler conditions

How to grow White Widow for maximum results

1. Start with high-quality seeds and germinate in a moist paper towel or starter cube at 22–25 °C.
2. Transplant to a well-draining, airy substrate like Soil Grow for strong root development.
3. Provide 18/6 light cycle during vegetative stage until plant reaches desired size (4–6 weeks).
4. Switch to 12/12 to initiate flowering; expect heavy resin production from week 6 onward.
5. Use LST, topping, or defoliation early to maximize bud sites and canopy exposure.

Technical specifications

• Breeder / Brand: Royal Queen Seeds
• Type: Feminized
• Dominance: 50% Indica / 50% Sativa
• Genetics: Brazilian Sativa × Indian Indica (S1 stabilized)
• Flowering time: 55–65 days (8–10 weeks)
• Outdoor harvest: Early October (Northern Hemisphere)
• Indoor yield: 450–500 g/m² (1.6–1.8 oz/ft²)
• Outdoor yield: 550–600 g/plant (1.9–2.1 lb/plant)
• Indoor height: 0.60–1.00 m (2.0–3.3 ft)
• Outdoor height: 1.50–1.90 m (4.9–6.2 ft)
• Difficulty: Low to medium
• Structure: Dense branching, moderate stretch during pre-flowering
• Climate: Temperate, Mediterranean, tolerates cooler conditions
• Resistance: High resistance to mold, pests, and environmental stress
• Training: Excellent for LST, topping, FIM, SCROG
• Substrate: Soil or coco with good drainage and aeration
• Light: 18/6 during veg, 12/12 during flowering
• Temperature: 22–26 °C (veg), 20–25 °C (flowering)
• Humidity: 60–70% (seedling), 50–60% (veg), 40–50% (flowering)
• pH: 6.0–6.5 (soil), 5.8–6.2 (coco/hydro)
• THC: 19%
• CBD: Low
• Aromatic profile: Myrcene, pinene, caryophyllene
• Flavour: Earthy, pine, pepper, citrus
• Effect: Cerebral, uplifting, stoning, creative, social

Grow guide: From seed to harvest in 5 smart steps

White Widow is beginner-friendly but rewards advanced techniques. Follow these steps for maximum yield and potency.

Safe start

• Germinate seeds in a damp paper towel or starter plug at 22–25 °C.
• Keep humidity high (70%) until first true leaves appear.
• Transplant gently once the taproot is ~1 cm long.
• Use Pro Roots to boost early root development and reduce shock.

Directed growth

• Maintain 18/6 light cycle and temperatures between 22–26 °C.
• Water when topsoil feels dry; avoid overwatering.
• Top or FIM during early veg to encourage bushy growth.
• Apply Pro Organic Grow (BioThrive Grow) for strong vegetative development.

Flowering boost

• Switch to 12/12 light to trigger flowering; expect rapid bud formation.
• Reduce humidity to 40–50% to prevent mold.
• Support heavy colas with stakes or a SCROG net.
• Use bloom boosters like Top Bloom from week 4 onward.

Harvest & cure

• Harvest when 70% of trichomes are milky and 30% amber for balanced effects.
• Flush plants with pure water 7–10 days before harvest.
• Dry buds slowly at 18–20 °C and 50–60% RH for 7–10 days.
• Cure in glass jars for 2–4 weeks, burping daily for smooth smoke.

Frequently Asked Questions

Is White Widow good for beginners?

Yes, White Widow is ideal for beginners thanks to its resilience, stable genetics, and forgiving nature. It handles common mistakes well and thrives in most indoor and outdoor setups.

How long does it take to grow White Widow?

From seed to harvest, White Widow takes about 10–12 weeks of flowering plus 4–6 weeks of vegetative growth. Outdoor plants are typically ready in early October.

Does White Widow smell strong during flowering?

Yes, White Widow has a medium to strong aroma with pine, earth, and citrus notes. Use a carbon filter like grow tent accessories to control odor and maintain discretion.

Can I grow White Widow outdoors in a cold climate?

Absolutely. White Widow is known for its resilience and performs well in cooler regions like the UK, France, or the Netherlands. Just ensure it gets plenty of sunlight and protect it from heavy rain.

Personal Experience of Pevgrow’s CEO (Alan)

Look, I’ve grown a lot of strains over the years—new F1s, exotic landraces, you name it. But White Widow? That’s the one I keep coming back to. Not because it’s trendy, but because it works. Every. Single. Time.

I grew it last summer in my small greenhouse—just three plants in 11L pots, using a simple soil mix and organic nutrients. I topped them once during early veg and used light LST to spread the canopy. Switched to 12/12 after five weeks, and boom—explosive flowering. The trichomes started piling up by week six, and by week nine, the buds were rock-hard and shimmering.

I harvested in early October, dried slowly, and cured for three weeks. The high? Perfect balance—creative and energizing at first, then deeply relaxing. The flavor? Clean pine with a hint of citrus, just like the old days. No hermies, no mold, no stress. Just pure, reliable quality. If you’re looking for a strain that earns its legendary status, this is it.