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January 27, 2026

How to Grow RS11 Strain (2026 Grow Diary)

RS11, also known as Rainbow Sherbert #11, is a potent indica-dominant hybrid (60% Indica / 40% Sativa) bred from Pink Guava × OZ Kush × Sunset Sherbert. With THC levels soaring up to 33% and up to 1% CBD, it delivers uplifting, sociable, and sensual effects that transition into grounded relaxation. Prepare for tropical berry sweetness, fresh wood, spicy undertones, and a uniquely complex aroma.

Whether you’re indoors or in the yard, here’s exactly how to grow RS11 strain step by step for max yield, flavor, and terpene power.

👉 Shop RS11 seeds at Hypno Seeds
🔗 Learn more about RS11 strain on Leafly

Setup Checklist for Growing RS11 Strain

RS11 thrives under attentive care but isn’t overly demanding, ideal for growers who want potency, flavor, and a manageable plant.

🏕️ Indoor Setup

  • Tent: 2 × 2 ft or larger
  • Lighting: LED (300–600 W equivalent)
  • Ventilation: Inline fan + carbon filter
  • Air Circulation: Oscillating clip-on fan
  • Humidity Control: Hygrometer with humidifier/dehumidifier options
  • Pots: 3–5 gallon fabric pots
  • Medium: Quality soil or coco with perlite
  • Nutrients: Veg & bloom base, Cal-Mag, optional terp boosters
  • Water: pH 6.2–6.6
A labeled diagram of a basic indoor cannabis grow tent setup with full-spectrum LED light, inline fan + carbon filter, clip-on fan, fabric pots, and hygrometer.

🌞 Outdoor Notes

  • Climate: Warm, sunny (Mediterranean/light tropical)
  • Soil: Rich and well-draining
  • Harvest: Early October before chill sets in
  • Protection: Insect netting or neem oil for pests

Germination: Starting Your RS11 Grow

The paper towel method ensures consistent germination:

  1. Place seeds between two damp (not soaking) paper towels.
  2. Between two plates for darkness and breathability.
  3. Keep at ~70–75°F, check daily for taproots (~½ inch).
  4. When the taproot appears, plant root-tip down into your medium.

⚠️ Avoid sealing in plastic bags or exposing to direct light—rot and shock are real risks.

Week 1: Seedling Stage

✅ What to Expect

  • Height: 1–2 in
  • Growth: Cotyledons, then true leaves emerge
  • Color: Bright green, perky foliage
  • Roots: Beginning to anchor
A visual showing the cannabis seedling stage, from sprouted seed to first set of true leaves.

🧪 Environment Targets

  • Light: 18–24 hrs at low intensity, 24–30 in above
  • Humidity: 65–70%
  • Temp: 72–77°F
  • Water: Light mist or peripheral watering
  • Nutrients: None (or light Cal-Mag in inert media)

👩‍🌾 Tips

  • Avoid waterlogging seedling roots
  • Allow gentle airflow to strengthen stems
  • Adjust light down if stretching occurs

Week 2: Early Veg + Optional LST

✅ What to Expect

  • Height: 2–4 in
  • Leaves: 3–5-fingered fan leaves appearing
  • Structure: Tight internodal spacing, thicker stems

🌡️ Environment Targets

  • Light: 18 hrs, moderate intensity (~300 PPFD)
  • Humidity: 60–65%
  • Temp: 73–78°F
  • Nutrients: Begin light veg feed (¼ strength)

🌱 Optional LST

  • Gently wrap main stem and pull outward for a flat canopy
  • Re-position ties to avoid stem injury
Low stress training cannabis

Week 4: Pre-Flower & Final Veg Training

✅ What to Expect

  • Height: 8–12 in, bushy growth
  • Pre-flowers: White hairs at nodes
  • Aroma: Fruity, berry-spiced beginnings

🌡️ Environment Targets

  • Light: Still 18/6, ~500 PPFD
  • Humidity: 50–55%
  • Temp: 73–78°F
  • Nutrients: Full-strength veg feed

🌱 Final Training

  • Do final LST or set up SCROG
  • Light defoliation to improve airflow
  • Prep for 12/12 flip next week

Week 5: Flower Begins

✅ What to Expect

  • Height: 12–18 in, stretching starts
  • Buds: Emerging pistils at nodal sites
  • Smell: Berry, tropical fruit notes begin intensifying

🌡️ Environment Targets

  • Light: Switch to 12/12 schedule
  • Humidity: 45–50%
  • Temp: 72–78°F
  • Nutrients: Bloom feed (higher P & K, lower N)

🌱 Tips

  • Guide stretch with LST or SCROG
  • Remove blockers to bud light access

Week 6: Bud Sites & Trichome Development

✅ What to Expect

  • Height: 18–24 in
  • Bud sites forming with early trichome glimmer
  • Aroma: Berry-forward with an earthy, spicy undertone
A visual showing early cannabis bud development small white pistils, forming calyxes, and early trichome frost

🌡️ Environment Targets

  • Light: 12/12 (~600 PPFD)
  • Humidity: ~45%
  • Temp: 70–77°F
  • Nutrients: Maintain bloom feed + Cal-Mag

🌱 Tips

  • Avoid heavy pruning, keep airflow light and consistent
  • Support budding side branches early

Week 7: Bud Fattening & Aroma Surge

✅ What to Expect

  • Height: 24–28 in, stretch complete
  • Buds: Thickening and stacking
  • Trichomes: Frost layer visible
  • Smell: Tropical berry with spicy, woodsy undertones

🌡️ Environment Targets

  • Light: 12/12 (~700 PPFD)
  • Humidity: 40–45%
  • Temp: 68–75°F
  • Nutrients: Consistent bloom feed; consider terp boosters

🌱 Tips

  • Stake top-heavy buds proactively
  • Watch for nutrient burn on tips

Week 8: Peak Flower & Ripening Begins

✅ What to Expect

  • Height: 30–34 in
  • Buds: Dense, resin-majority, solid stacking
  • Pistils: Turning golden orange
  • Trichomes: Mostly cloudy, beginning amber

🌡️ Environment Targets

  • Light: 12/12, ~700–800 PPFD max
  • Humidity: ~40%
  • Temp: 67–73°F
  • Nutrients: Reduce N, maximize PK

🌱 Tips

  • Track trichome maturity closely
  • Be patient, flavor peaks late

Week 9: Final Flush & Ripeness Check

✅ What to Expect

  • Buds: Dense, aromatic, sticky
  • Trichomes: 70–90% cloudy, 10–20% amber
  • Pistils: Mostly darkened (60–80%)
Image showing cannabis trichomes at different maturity stages: clear, cloudy, and amber

🌡️ Environment Targets

  • Light: Maintain 12/12
  • Humidity: 35–40%
  • Temp: 65–70°F
  • Water: Only pH’d water, flush for 5–7 days

🌱 Tips

  • Harvest when balance of cloudy and amber trichomes hits your desired potency
  • Cooler temps enhance terpene retention and subtle color shifts

Harvest & Curing

  • Harvest outdoors mid-to-late in the first half of October, or week 9 indoors.
  • Dry at ~60°F and 55% RH for 10–14 days in the dark.
  • Cure in airtight jars, burping daily in the first week.
  • After 3–4 weeks of curing, RS11’s tropical berry and spicy wood aromas fully mature.

Final Thoughts on Growing RS11 Strain

RS11 brings serious flavor, heavy frosty buds, and a balanced high that keeps you social and uplifted—then relaxes you into the night. It’s compact, vigorous, and thrives with moderate care and attention to training and flushing.

If you’ve been searching for how to grow RS11 strain, this walkthrough from seed to cure has everything you need.

👉 Shop RS11 seeds at Hypno Seeds
👉 Browse more Hybrid Seeds
🔗 Learn more about RS11 strain on Leafly

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Michael ClintMarch 27, 2024

I’ve been growing weed for 30+ years, and to be honest, it’s quite difficult to surprise me. After a few decades of facing different strains, changing growing conditions, and solving whatever problem you could possibly think of, by then, I believe I’ve seen it all in cannabis growing.

Gary Payton defied every single one of my expectations.
The plant thrived, growing to an impressive 6 feet in what seemed like a blink of an eye. It quickly filled out with buds and displayed better smell each day, showing solid proof of superior genetics. The buds were tight, aromatic, and a source of immense pride, surpassing the outcome of many of my previous endeavors.

Hypno Seeds with their Gary Payton strain has won my complete admiration and loyalty. Outstanding genetics in this plant have truly turned what I always thought of to be an experiment with negligible expectations into one of the most satisfying grows of my long career.

Looking forward, my excitement for the next growing season is unparalleled. I can’t wait to see how much I can take these strains, especially with the attention that Gary Payton really does deserve right from the start.

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Germinated three seeds using the paper towel method with100% success rate within 48 hours. Planted in 5 gallon pots with living soil under a 315W CMH light. Plants remained compact (3.5 ft) with thick lateral branching, showing high resistance to humidity and minor nutrient fluctuations. Yield per plant: 5.8 oz of extremely dense, trichome-heavy buds. Smell profile during flower: sharp pine, pepper, and a hint of citrus. Harvested at week 9, after trichomes showed 30% amber for peak sedative effects. Smoke report: Potent. Deep relaxation without full sedation. Ideal for stress relief.

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