C99 Feminized Seeds by Female Seeds · Fast-Flowering Sativa with Tropical Fruit Aroma

The C99 feminized seed from Female Seeds is a modern classic, a sativa-dominant powerhouse that combines legendary genetics with a remarkably fast finish and a sweet, tropical fruit profile that will transport your senses.

Frustrated with sativas that take forever to flower?

You love the clear-headed, energetic buzz of a good sativa, but waiting 12+ weeks for harvest feels like an eternity. Your grow space is tied up, your patience wears thin, and the payoff seems so far away. It's a common trade-off: great effect versus practical growing time.

This long wait can kill your growing momentum

That extended flowering period isn't just inconvenient; it increases the risk of issues like pests or mould, limits how many cycles you can run in a year, and makes planning a hassle. You end up settling for faster, indica-heavy strains just to keep things moving, missing out on the unique sativa experience you truly crave.

Meet C99: The sativa that respects your time

Female Seeds C99 shatters that compromise. It brings you the quintessential sativa effect—euphoric, creative, and energetic—but packages it in a plant that finishes in a lightning-fast 7 to 8 weeks of flowering. You get the best of both worlds: the iconic high without the endless wait, making it a perfect choice for feminized seed enthusiasts who value efficiency.

Why C99 delivers consistent, top-tier results

This isn't a finicky, unstable genetic. C99 is bred for reliability. Its lineage, stemming from Grapefruit and Pineapple strains, provides a solid genetic foundation. Growers consistently report vigorous growth, strong resistance to stress, and predictable flowering patterns. You're not gambling on phenotype luck; you're investing in a proven performer that delivers its promised sweet, fruity aroma and uplifting high batch after batch.

Key factors for a perfect C99 harvest and how to control them

• Light Schedule: Flip to 12/12 for flowering. C99 responds beautifully to a consistent light cycle, triggering its fast bloom phase reliably.
• Nutrient Management: It's not a heavy feeder. Start with a balanced regimen and watch for signs of hunger. Overfeeding can harm its delicate terpene profile.
• Training Techniques: It has a sativa structure but responds well to Low-Stress Training (LST) to manage height and encourage multiple colas. Avoid heavy topping late in veg.
• Environmental Control: Maintain good airflow and keep humidity in check (around 40-50% RH in late flower) to protect its dense buds and preserve that incredible tropical scent.
• Harvest Timing: Don't rush it, but don't wait for excessive amber trichomes. Harvest when most are milky for that classic soaring, clear-headed effect.

Your step-by-step routine for a flawless C99 grow

1. Germinate & Seedling Stage: Germinate in a warm, moist environment. Once sprouted, provide gentle light and mild nutrients to establish a strong root system.
2. Vegetative Growth: Run an 18/6 light cycle. Implement LST early to bush out the plant and create an even canopy. This stage is key for building structure.
3. Transition to Flower: Switch lights to 12/12. Watch for the explosive stretch typical of sativas; this is when C99 really shows its vigour.
4. Flowering Phase (Weeks 1-8): Provide bloom nutrients, ensuring good phosphorus and potassium levels. Support heavy branches if needed as buds swell.
5. Flush & Harvest: In the final 10-14 days, flush with plain pH-balanced water. Check trichomes with a jeweller's loupe and harvest when mostly cloudy.
6. Dry & Cure: Dry slowly in a dark space with 50-60% RH for 10-14 days. Then, cure in jars, burping daily for 2-4 weeks to perfect the flavour and smoothness.

The unbeatable advantages of growing C99

• Speed Meets Quality: Get a premium sativa harvest in almost half the time of traditional hazes.
• Incredible Aroma & Flavour: Enjoy a unique terpene profile bursting with sweet pineapple, grapefruit, and citrus notes.
• High Yield Potential: When grown well, it produces heavy, resin-coated colas that are a joy to trim.
• Grower-Friendly: Its resilience and predictable nature make it suitable for both beginners and experts looking for a reliable staple.
• Versatile Effect: The clear, energetic, and creative high is perfect for daytime use without sedation.

Frequently Asked Questions

How tall does C99 get indoors?

Indoors, with a typical vegetative period, C99 usually reaches between 0.80–1.20 m (2.62–3.94 ft). It has a sativa stretch, so managing height with LST or a screen is recommended for confined spaces.

What's the expected yield per plant?

Yield depends on your setup, but indoors, you can expect approximately 400–600 g/m² (1.29–1.93 oz/ft²). Outdoors in optimal conditions, a single plant can produce 500–800 g (17.64–28.22 oz).

Is C99 resistant to mould and pests?

C99 shows good natural resistance, especially to moulds like botrytis, thanks to its sativa-leaning structure and less dense leaf coverage. However, maintaining good airflow is always crucial, particularly during the dense flowering phase.

What's the best way to train C99?

Low-Stress Training (LST) is highly effective. Gently bending and tying down branches during early veg encourages lateral growth and creates an even canopy, maximizing light exposure and ultimately yield. It also helps manage its height.

Technical specifications

• Breeder: Female Seeds
• Type: Feminized Photoperiod
• Dominance: Sativa-dominant Hybrid
• Genetics: Grapefruit x Pineapple
• Indoor Flowering Time: 7–8 weeks
• Outdoor Harvest (N. Hemisphere): Late September to Early October
• Indoor Yield: Approx. 400–600 g/m² (1.29–1.93 oz/ft²)
• Outdoor Yield: Approx. 500–800 g/plant (17.64–28.22 oz/plant)
• Indoor Height: 0.80–1.20 m (2.62–3.94 ft)
• Outdoor Height: 1.50–2.00 m (4.92–6.56 ft)
• Difficulty: Medium – Good for intermediate growers
• THC Level: High (Approx. 18–22%)
• CBD Level: Low (<1%)
• Aroma/Flavour: Sweet Pineapple, Grapefruit, Tropical, Citrus
• Effect: Energetic, Uplifting, Creative, Cerebral

Personal Experience of Pevgrow’s CEO (Alan)

Let me be straight with you: C99 is one of those strains that never leaves my personal grow. Why? Consistency. In a world of hype, this one delivers exactly what it promises, every single time. The speed is unreal for a sativa; watching it pack on weight in just 7 weeks while blasting out that insane pineapple candy smell is a grower's dream. I've run it in both soil and coco, and it's adaptable—just don't over-love it with nutrients. It prefers a light hand.

My pro-tip? Don't let it stretch unchecked. A little LST early on opens up the structure and lets those long sativa colas develop evenly. The high is my perfect daytime fuel: zero couch-lock, pure mental clarity and a smile that won't quit. It's the strain I reach for when I need to be productive yet creatively inspired. Compared to other 'fast' sativas that often sacrifice flavour or potency, C99 is the complete package. It's a classic for a damn good reason.