Klementine Feminized Seeds – R-Kiem Seeds · Fast Sativa, Citrus Haze

Klementine Feminized Seeds by R-Kiem Seeds are the ultimate fast-flowering Sativa-dominant hybrid designed to give you massive, predictable yields with an unforgettable citrus haze flavor.

Growing Sativas usually comes with a classic set of headaches: they stretch out of control, take forever to finish flowering, and leave you guessing if they will yield enough to justify the effort.

There is nothing worse than watching your plants hit the grow tent roof, battling light burn, and waiting 12 weeks only to harvest airy, lightweight buds. That lack of control turns what should be a relaxing hobby into a stressful daily battle against space and time.

Klementine steps in to change the game entirely. By crossing Tangerine Sunrise with Gupta Kush, R-Kiem Seeds created a Sativa that behaves with the discipline of an Indica, finishing in under 9 weeks while delivering rock-hard, heavy buds, giving you total command over your indoor or outdoor garden.

More discretion, fewer worries

Klementine keeps things manageable. Unlike wild landrace Sativas, this hybrid has a predictable stretch, making it much easier to keep out of sight and away from nosy neighbors. You will not need a massive warehouse to get a great harvest; it adapts perfectly to standard grow tents.

However, because its terpene profile is incredibly loud, you will want to make sure your carbon filters are fresh. Keeping that pungent citrus and sour aroma completely under wraps is key to maintaining a stealthy and worry-free environment.

Control over the experience

• Fast 9-week flowering time: Because it finishes weeks earlier than typical Sativas, you avoid late-season bad weather outdoors, which means a guaranteed, stress-free harvest.
• Over 60% Sativa dominance: Thanks to its uplifting genetics, you get a clean, stimulating cerebral effect, meaning you can enjoy it during the day without feeling glued to the couch.
• Massive production: With its heavy-yielding capabilities, you maximize every square inch of your grow space, giving you a stash that lasts much longer.
• Complex terpene profile: The rich blend of citrus, haze, and earthy wood notes provides a gourmet tasting experience, which means every session feels premium and satisfying.

Technical specifications

• Breeder: R-Kiem Seeds
• Type: Feminized photoperiod
• Dominance: Sativa dominant (+60%)
• Genetics: Tangerine Sunrise × Gupta Kush
• Indoor Flowering: Fast (under 9 weeks)
• Outdoor Harvest: Standard (Autumn)
• Indoor Yield: Very high, +600 g/m² (+1.97 oz/ft²)
• Outdoor Yield: High, 400–1000 g/plant (14.11–35.27 oz/plant)
• Height Indoor: Approx. 0.90–1.20 m (2.95–3.94 ft)
• Height Outdoor: Approx. 1.80–2.50 m (5.91–8.20 ft)
• THC Level: High (15–25%)
• Flavor: Citrus, Haze, Wood, Sour, Earthy
• Effect: Stimulating, cerebral

How to grow Klementine responsibly and comfortably

Quick overview: Photoperiod · R-Kiem Seeds · ~9 weeks flower · ideal for indoor tents and sunny outdoors.

Safe start: Germinate at 22–25 °C (71.6–77 °F). To ensure explosive root development from day one, use Voodoo Juice Advanced Nutrients.

Directed growth: Keep an 18/6 light cycle. Since it is a Sativa hybrid, it responds beautifully to topping and SCROG to keep the canopy even.

Efficient flowering: Switch to 12/12. Maintain humidity around 40–50% to prevent mold in its dense buds. Boost your yield and resin production by adding BAC F1 Extreme Booster during peak bloom.

Harvest and refinement: Flush roots 10 days before chopping. Dry slowly at 20 °C (68 °F) and cure for at least 3 weeks to unlock those deep sour and woody haze notes.

Benefits of having everything under control

• No more guessing when your Sativa will finally finish flowering.
• A manageable canopy that will not burn under your grow lights.
• Consistent, heavy yields that make your time and electricity investment totally worth it.
• A reliable daytime stash that keeps you active and creative without paranoia.

Frequently Asked Questions

Does Klementine stretch a lot during flowering?

While it has Sativa dominance, the Gupta Kush genetics help keep its stretch manageable. Expect it to roughly double in size when flipped to 12/12, making it highly suitable for indoor setups.

How strong is the smell during the grow?

Very strong. The citrus and sour haze terpenes are incredibly pungent starting from mid-flowering. A good quality carbon filter is highly recommended to maintain discretion.

Is this strain suitable for beginners?

Yes! Thanks to its fast flowering time and resilient Kush lineage, it is much more forgiving than pure Sativas, making it a great choice for growers looking to step up their game without extreme difficulty.

Personal Experience of Pevgrow’s CEO (Alan)

I have always loved the uplifting kick of a good Sativa, but I rarely have the patience for a 12-week flowering cycle. When I first popped Klementine, I was blown away by how quickly it stacked weight. It gives me that perfect daytime energy—ideal for brainstorming sessions or weekend hikes—without the anxiety that some pure Sativas trigger. My personal trick with this strain is to use a SCROG net early on; it fills out the screen beautifully and ensures every single bud gets enough light to swell up properly.