ZKiem "Harybo" by R-Kiem Seeds – High-Yielding, Resilient Hybrid for Effortless Growing

ZKiem "Harybo" by R-Kiem Seeds is a powerhouse hybrid that turns average grows into standout harvests—offering high yields, strong resistance, and a perfectly balanced high without demanding expert skills.

Struggling with weak plants and disappointing harvests?

Ever grown a strain that looked great on paper but collapsed under humidity, stretched too much, or barely filled the jar? You’re not alone. Many hybrids promise big results but need perfect conditions, constant monitoring, and a green thumb just to survive.

Wasting time on finicky plants that barely pay off?

It’s frustrating when your effort doesn’t match the outcome. You water on schedule, train the branches, and cross your fingers during flowering—only to end up with airy buds, low resin, or a mold scare. That constant stress kills the joy of growing and makes you question if it’s worth it.

ZKiem "Harybo" changes the game—strong, fast, and packed with flavor

Meet your new favorite hybrid: ZKiem "Harybo" by R-Kiem Seeds. It grows fast, resists mold and pests, and delivers dense, trichome-covered colas in just 8–9 weeks of flowering. With its compact structure and high tolerance, it thrives both indoors and outdoors—even in less-than-ideal conditions.

What you get with ZKiem "Harybo"

Bred for performance and resilience, this feminized hybrid combines the best traits of its lineage into one low-maintenance, high-reward plant.

• Feminized seeds for guaranteed female plants
• Indica-dominant hybrid (70% indica / 30% sativa) for balanced effects
• Genetics: Unknown elite cross – selected for vigor and potency
• Flowering time: 8–9 weeks (indoor) · Harvest: Late September (outdoor, Northern Hemisphere)
• Indoor yield: 450–550 g/m² (1.6–1.9 oz/ft²)
• Outdoor yield: 500–600 g/plant (17.6–21.2 oz/plant)
• Indoor height: 80–110 cm (2.62–3.61 ft)
• Outdoor height: 1.10–1.40 m (3.61–4.59 ft)
• THC: approx. 20–22% · CBD: approx. 1%
• Aroma: earthy pine with sweet citrus undertones
• Flavor: spicy wood, lemon zest, and a smooth herbal finish
• Effect: relaxing body buzz with a clear, uplifting head high – perfect for evening use

Technical specifications

• Breeder / Brand: R-Kiem Seeds
• Type: Feminized
• Dominance: Indica-dominant hybrid (70/30)
• Genetics: Elite undisclosed cross
• Flowering time (indoor): 8–9 weeks
• Outdoor harvest (N. Hemisphere): Late September
• Indoor yield: 450–550 g/m² (1.6–1.9 oz/ft²)
• Outdoor yield: 500–600 g/plant (17.6–21.2 oz/plant)
• Indoor height: 80–110 cm (2.62–3.61 ft)
• Outdoor height: 1.10–1.40 m (3.61–4.59 ft)
• Difficulty: Low to medium
• Structure: Compact, dense branching, moderate stretch
• Resistance: High resistance to mold, pests, and stress
• Training: Responds well to LST and SCROG; avoid heavy pruning
• Recommended pot: 11–18 L (soil or coco with good aeration)
• Light cycle: 18/6 (veg) → 12/12 (flower)
• Climate: Thrives in Mediterranean and temperate climates; tolerates mild humidity
• Smell in grow: Medium – a carbon filter is recommended in confined spaces
• THC: approx. 20–22%
• CBD: approx. 1%
• Terpene profile: Myrcene, limonene, pinene
• Effect: Balanced cerebral and physical relaxation

How your grow becomes easier from day one

You’ll notice the difference early: strong germination, fast root development, and a plant that just wants to thrive. No constant babysitting. No panic over a sudden temperature drop. ZKiem "Harybo" handles stress like a pro and keeps growing when others would stall.

During flowering, it builds dense, resinous buds with minimal stretching. You’ll spend less time training and more time watching it flourish. And when harvest comes, you’ll fill jars with aromatic, potent flowers that taste as good as they look.

Advantages and benefits you’ll notice from day one

• High yields with minimal effort – perfect for beginners and experts alike
• Strong resistance to mold and pests means fewer worries
• Compact size fits discreetly in small grow spaces
• Fast flowering cycle gets you to harvest quicker
• Dense, trichome-rich buds for maximum potency and flavor
• Smooth, balanced high – relaxing without sedation
• Consistent performance across different environments
• Great for SCROG or LST setups without stress sensitivity

Grow guide: How to get the best from ZKiem "Harybo"

Maximize your harvest with this simple, phase-by-phase plan tailored to ZKiem "Harybo"’s strengths.

Quick overview

Feminized hybrid from R-Kiem Seeds – 8–9 week flowering, high yield, mold resistant. Ideal for indoor tents or outdoor gardens in temperate zones.

• Type: Feminized photoperiod
• Flowering: 8–9 weeks
• Difficulty: Low to medium
• Best for: Indoor, outdoor, SCROG, discreet grows

Safe start

Launch your grow with strong, healthy seedlings.

• Germinate in moist paper towels at 22–25 °C (71.6–77 °F)
• Transplant once the taproot reaches ~1 cm (0.4 in)
• Use a light, airy soil mix with perlite
• Keep humidity at 60–70% in early stages
• For faster rooting, try Cannazym to boost enzyme activity

Directed growth

Set up a strong, bushy structure during veg.

• Use 18/6 light cycle for steady growth
• Keep temps at 22–26 °C (71.6–78.8 °F)
• Water when topsoil feels dry—avoid overwatering
• Apply Natural Powers Root Stimulator weekly for vigorous roots
• Start LST early to control height and increase bud sites

Flowering by stages

Switch to 12/12 and let the magic happen.

• Expect moderate stretch in first 2 weeks
• Lower humidity to 40–50% to prevent mold
• Support heavy colas with soft ties or trellis netting
• Boost bud density with Ultimate PK in weeks 4–6
• Monitor trichomes: harvest when mostly milky with some amber

Harvest, drying and curing

Finish strong for maximum flavor and smoothness.

• Flush plants 7–10 days before harvest
• Cut branches and hang in a dark room at 18–22 °C (64.4–71.6 °F)
• Maintain 50–60% RH during drying (7–10 days)
• Cure in glass jars, burping daily for 2–4 weeks
• Pro tip: Add a piece of citrus peel during curing for extra aroma

Tips to grow even bigger harvests

Pair ZKiem "Harybo" with the right tools and nutrients to push its potential even further.

• Use organic soil with Granulated Bat Guano for a nutrient-rich base
• Install a carbon filter if growing indoors to manage medium odor
• Combine with a full nutrient line like Plagron Premium Fertilizer Kit for balanced feeding
• Use LST or SCROG to maximize light exposure and yield
• Keep airflow strong to prevent humidity buildup

Frequently Asked Questions

Is ZKiem "Harybo" good for beginners?

Yes. Its resilience, fast growth, and forgiving nature make it an excellent choice for novice growers.

Can I grow it outdoors in a humid climate?

Absolutely. Its high resistance to mold and pests makes it well-suited for humid or temperate regions.

Does it need a lot of nutrients?

No. It performs best with moderate feeding—overfeeding can reduce resin production and increase odor.

What’s the best time to harvest?

Harvest when trichomes are mostly milky with a few amber ones for a balanced, relaxing effect.

Can I use training techniques?

Yes. It responds well to LST, topping, and SCROG—but avoid aggressive pruning, especially during flowering.

Personal Experience of Pevgrow’s CEO (Alan)

I grew ZKiem "Harybo" in my personal 1.2 m² tent last season, and it surprised me. I didn’t expect much from an unknown lineage, but it turned heads. The plants stayed short—around 90 cm (2.95 ft)—but packed on weight fast. I used LST and a simple coco setup with Sensi Grow A+B Coco, and yields hit 520 g/m² (1.84 oz/ft²). The smell during flowering was noticeable but manageable with my carbon filter. The high? Perfect for unwinding after work—clear-headed but physically relaxed. I’d grow it again in a heartbeat, especially for friends who want quality without the hassle.