Royal Critical Auto – Royal Queen Seeds · Fast 10–11 Week Autoflowering Strain for High Yields & Sweet Skunk Flavor

Meet Royal Critical Auto by Royal Queen Seeds – a lightning-fast autoflowering strain that turns small spaces into high-yield harvest zones in just 10–11 weeks, with a euphoric, laughter-inducing high and a sweet, skunky flavor that lingers.

Are you stuck with slow, finicky plants that demand constant attention and still underdeliver? Growing shouldn’t feel like a part-time job with no payoff. You just want something that works, something that fits your space and schedule, and actually rewards your effort with a smooth, enjoyable smoke.

It’s frustrating when your grow turns into a battle against stunted growth, weak yields, or harsh, unpleasant smoke. You invest time, energy, and money, only to end up with a harvest that’s more disappointing than satisfying. The stress of managing complex light cycles or worrying about pests can suck the joy right out of the experience.

That’s where Royal Critical Auto comes in. This autoflowering powerhouse is bred for simplicity and success. It flies from seed to harvest in just 10–11 weeks, producing up to 400g/m² indoors or 165g per plant outdoors, with dense, trichome-covered buds that offer a smooth, sweet, and slightly peppery taste. Its 14% THC delivers a clear-headed, euphoric, and giggly high, perfect for unwinding or socializing without the heavy couch-lock.

What It’s Like to Grow and Enjoy Royal Critical Auto

From the moment you plant it, Royal Critical Auto feels different. It’s not just a plant; it’s a low-maintenance companion that thrives on neglect. You’ll watch it stretch confidently during its short vegetative phase, quickly forming a bushy, compact structure that’s perfect for stealth grows on a windowsill or in a small tent. The air fills with a delightful, fruity-sweet aroma that hints at the smooth smoke to come. When you finally harvest, the buds glisten with resin, promising a potent and flavorful experience. The high is pure joy – uplifting, creative, and social, leaving you relaxed but fully functional, ready to enjoy a movie night or a chill chat with friends.

How to Squeeze the Most Out of Your Grow

Maximize your Royal Critical Auto harvest with these pro tips for a faster, bigger, and tastier yield.

• Start in its final 18–27 L (2–3 gal) pot to avoid transplant stress.
• Run lights 20/4 for the entire cycle to fuel rapid growth.
• Apply gentle Low-Stress Training (LST) in week 3 to open up the canopy.
• Defoliate lower, shaded leaves during early flowering for better airflow.
• Flush with plain water for the last 14 days to enhance flavor and smoothness.
• Harvest when trichomes are mostly cloudy for a cerebral high.
• Pair it with a Plagron Power Roots boost at germination for an even faster start.

Advantages and Benefits in Your Day-to-Day Life

• Compact size (0.55–0.65 m / 1.8–2.1 ft) means you can grow it anywhere, from a closet to a balcony.
• Fast 10–11 week cycle gets you from seed to smoke before your next paycheck.
• High resistance to mold and pests means less worry and fewer interventions.
• Consistent, euphoric high helps you unwind after work without knocking you out.
• Generous yields mean you’ll have enough for weeks of relaxed evenings.
• Easy growth makes it perfect for beginners, freeing up your time and energy.

How Royal Critical Auto Fits Into Your Grow Setup

Royal Critical Auto is the ultimate team player in your grow room. Its small stature makes it ideal for SOG (Sea of Green) setups, where you pack multiple plants into a small space for a massive collective yield. It pairs perfectly with simple, balanced nutrient lines like the Weed fertilizer kit Tripack Flora GHE, which provides everything it needs without the complexity of a full mineral regimen. For an extra kick in flowering, a bloom booster like Epic Bloom Terra HY-PRO can push those yields even higher. Its discreet size and manageable odor also make it a great candidate for stealth grows where discretion is key.

Technical specifications

• Breeder / Brand: Royal Queen Seeds
• Type: Autoflowering
• Dominance: Indica 50% / Sativa 15% / Ruderalis 35%
• Genetics: Critical x Ruderalis
• Flowering time: 10–11 weeks from seed to harvest
• Yield (Indoor): 350–400 g/m² (12.3–14.1 oz/ft²)
• Yield (Outdoor): 115–165 g/plant (4.1–5.8 oz/plant)
• Height (Indoor): 55–65 cm (21.7–25.6 in)
• Height (Outdoor): 90–140 cm (2.9–4.6 ft)
• Difficulty: Low
• Structure: Bushy, compact, with dense branching
• Resistance: High resistance to mold and pests
• Training: Suitable for LST and defoliation
• Recommended pot: 18–27 L (2–3 gal) final pot
• THC: 14%
• CBD: Low
• Aromatic profile: Ocimene, Myrcene, Caryophyllene
• Flavour: Sweet, candy, fruity, pepper, skunk
• Effect: Euphoric, giggly, uplifting, relaxing

How to Grow Royal Critical Auto Seeds

Get the most from your Royal Critical Auto with this simple, expert-backed grow guide.

Quick overview: Royal Queen Seeds · 10–11 week auto · Low difficulty · Ideal for indoor tents or discreet outdoor grows.

Safe start: Germinate in a moist paper towel. Transplant carefully when the taproot is 1 cm long. For a stronger start, Plagron Power Roots promotes rapid root development.

Directed growth: Use a light, airy soil mix. Water when the top inch of soil is dry. Maintain 20/4 light cycle, 22–26 °C, and 50–60% RH. Apply LST early to create an even canopy.

Flowering by stages: Monitor trichomes for harvest. In mid-flower, ensure good airflow to prevent mold. A bloom booster like Epic Bloom Terra HY-PRO can increase bud density.

Harvest, drying and curing: Flush for 14 days. Harvest when trichomes are milky. Dry at 18–22 °C and 50–60% RH for 10–14 days, then cure in jars for 2–4 weeks for maximum flavor.

Frequently Asked Questions

How long does Royal Critical Auto take to grow?

From seed to harvest, Royal Critical Auto takes just 10–11 weeks, making it one of the fastest strains available. There's no need to change light cycles; it flowers automatically.

Is Royal Critical Auto good for beginners?

Absolutely. Its low difficulty, high resistance to pests and mold, and forgiving nature make it a perfect first strain. It thrives on a simple routine of water, light, and basic nutrients.

What kind of high does Royal Critical Auto give?

It delivers a balanced, euphoric, and giggly high with a 14% THC level. It’s uplifting and social, great for daytime use, but also relaxing enough for evening wind-downs without heavy sedation.

How much yield can I expect from Royal Critical Auto?

Indoors, expect 350–400 grams per square meter. Outdoors, each plant can produce 115–165 grams, depending on sunlight and care. Its compact size means you can grow more plants in a small space.

Personal Experience of Pevgrow’s CEO (Alan)

I grew Royal Critical Auto last summer in my tiny greenhouse, and it was a revelation. I was skeptical at first—another 'easy' auto? But this one proved different. It popped up fast, grew into a beautiful, bushy plant, and never missed a beat. I didn’t baby it; I was busy with other strains, but it just kept going. I used a simple soil mix and the Weed fertilizer kit Tripack Flora GHE, and it responded perfectly. The harvest was insane for an auto—dense, sticky buds that smelled like sweet candy. The high? Pure, clean euphoria. It’s my go-to recommendation for anyone starting out. The only trick I learned? Don’t top it. It’s an auto, and it doesn’t need the stress. Just plant, train gently with LST, and let it do its thing. It’s the definition of low effort, high reward.