The Ultimate Feminized Seeds – Dutch Passion’s XXL Yield Hybrid

The Ultimate Feminized Seeds by Dutch Passion are a legendary balanced hybrid engineered for massive, resin-drenched harvests and stress-free cultivation—ideal for growers chasing quantity without sacrificing quality.

Struggling with low yields, finicky plants, or weak genetics that fizzle out before harvest? You’re not alone. Many photoperiod strains promise big but deliver bland, airy buds that barely fill a jar.

Imagine wasting weeks of care, nutrients, and electricity only to end up with a disappointing harvest that lacks flavor, potency, or density. That frustration—of time and money down the drain—is real.

Enter The Ultimate: Dutch Passion’s answer to yield anxiety. Bred for epic production, rock-solid resilience, and that classic Skunk-meets-citrus punch, this strain turns every grow into a potential trophy harvest.

Technical specifications

• Breeder: Dutch Passion
• Type: Feminized photoperiod
• Dominance: 50% Indica / 50% Sativa hybrid
• Flowering time: 9–12 weeks
• Indoor yield: 500–600 g/m² (1.64–1.97 oz/ft²); up to 750+ g/m² (2.46+ oz/ft²) with SCROG
• Outdoor yield: Several kg/plant (several lb/plant) in optimal climates
• Indoor height: 0.75–1.00 m (2.46–3.28 ft)
• Outdoor height: Can exceed 3 m (9.84 ft)
• Difficulty: Low – tolerant of minor errors
• Structure: Medium stretch in early bloom; dense, long colas requiring support
• Ideal climate: Warm, dry; greenhouse-friendly
• Resistance: Good resistance to mold and bud rot (keep RH
• Training: Excellent for SCROG, LST, and topping
• Recommended pot: 11–20 L for indoor; larger for outdoor
• Light cycle: 18/6 veg → 12/12 flower
• Smell in grow: High – strong pine, citrus, and fuel notes; carbon filter recommended
• THC: Very high (approx. 20%+)
• CBD: Low (approx.
• Aromatic profile: Limonene, myrcene, pinene dominant
• Flavour: Spicy pine, lemon zest, diesel, with sweet undertones
• Effect: Balanced, uplifting, and calming—great for social or creative sessions

Why The Ultimate crushes basic hybrids

While average strains give you average results, The Ultimate is built for growers who demand more—more buds, more resin, more reliability.

• Its genetics deliver consistent XXL colas even in modest setups
• Low nutrient demands reduce the risk of overfeeding
• Stable phenotype expression means predictable growth across all plants
• Exceptional trichome production ensures potency and visual appeal
• Adaptable to soil, coco, or hydro—no system left behind

Real benefits you’ll notice from day one

From seed to jar, The Ultimate transforms your grow experience. You’ll see vigorous, dark-green foliage early on, followed by explosive bud development in the final 3 weeks of flower. The aroma evolves from earthy to intensely citrus-pine, filling your space with that unmistakable old-school Skunk character. And when you break open those dense, orange-haired colas? A sticky cloud of terps that tastes as bold as it smells. Most importantly, you’ll harvest enough to share—or stash for months.

Stages and monitoring of The Ultimate

Quick overview: Photoperiod hybrid by Dutch Passion, 9–12 weeks flower, low difficulty, ideal for indoor or greenhouse.

Safe start: Germinate at 22–25°C (71.6–77°F) with high humidity. For faster rooting and transplant resilience, try RootFast by Atami.

Directed growth: Use 18/6 lighting and train early with LST or SCROG. A light feeder, so avoid heavy nitrogen—Bio Rhizotonic keeps roots strong without excess salts.

Efficient flowering: Maintain RH below 50% and support heavy colas. In late bloom, Bloombastic boosts density and terpene expression.

Harvest & cure: Harvest when trichomes are mostly cloudy for a balanced high. Flush 10 days prior, dry at 18–22°C (64.4–71.6°F) and 55% RH, then cure 3–4 weeks in jars.

Frequently Asked Questions

Is The Ultimate good for beginners?

Yes! Its low nutrient needs, mold resistance, and forgiving nature make it perfect for first-time photoperiod growers.

Does it need support during flowering?

Absolutely. Those XXL colas get heavy—use a SCROG net or trellis to prevent sagging and maximize light exposure.

Can I grow it outdoors in a cool climate?

It’s best in warm, dry regions. For colder areas, consider Auto Ultimate instead.

What’s the best way to maximize yield?

SCROG training, strong lighting (600W+ equivalent), and avoiding early harvest. Patience pays—those last 2 weeks add serious weight!

Personal Experience of Pevgrow’s CEO (Alan)

I’ve grown The Ultimate three times—once in soil under LED, once in coco with HPS, and once outdoors in Spain. Every run blew me away. Indoors, I used a SCROG with 5 plants in 11L pots and pulled 680 g/m² (2.23 oz/ft²) of dense, frosty bud that smelled like a pine forest dipped in lemon oil. Outdoors, one plant hit 3.2 m (10.5 ft) and yielded over 2.5 kg (5.51 lb)! Compared to other high-yielders like Big Bud, The Ultimate has way more character—flavor, effect, and structure. My only tip? Don’t harvest early. I once picked a plant at week 9 thinking it was ready… big mistake. Week 11 gave me twice the resin and a smoother smoke. Also, always use a dehumidifier in late flower—those buds are so dense they trap moisture like sponges. If you want one strain that delivers on every promise, this is it.