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Cannabis Growing Guides
Germination, feeding, training and harvest — written for growers working with our seeds, from the first soak to the cure.
Cereal Milk Strain Guide: Grow Tips & Yield | Royal King Seeds
Sep 23, 2026strain
Blueberry Muffin Strain: Genetics & Grow Guide | Royal King Seeds
strain
Apples and Bananas Strain: Terpene Profile & Grow Guide | Royal King Seeds
plant anatomy
Cannabis Leaf Anatomy: Healthy vs. Sick Foliage | Royal King Seeds
strain review
Cherry Pie Strain: Effects, Genetics & Grow Guide | Royal King Seeds
Training & Pruning
137 articles
Beginner Guides
29 articles
Strain Guides
28 articlesstrainSep 23, 2026
Cereal Milk Strain Guide: Grow Tips & Yield | Royal King Seeds
Cereal Milk is a 50/50 hybrid with 23–28% THC, 8–9 week indoor flower time, and yields of 450–550 g/m² — here's the complete genetics, grow, and yield guide.
Blueberry Muffin Strain: Genetics & Grow Guide | Royal King SeedsSep 20, 2026Apples and Bananas Strain: Terpene Profile & Grow Guide | Royal King SeedsSep 17, 20267 Best High-Yield Feminized Strains for Indoor Tents | Royal King SeedsJul 18, 2026Best Autoflower Strains for Zones 5 & 6 | Royal King SeedsJun 8, 2026
Nutrients & Soil
24 articles
Latest Articles
355 articlesstrain reviewAug 6, 2026Gushers Strain: Effects, Grow Guide | Royal King SeedsGushers strain is a 60% indica-dominant hybrid (Gelato #41 × Triangle Kush) with 22–25% THC, 8–9 week flower time, and 450–550g/m² indoor yield — ideal for intermediate US growers.strain reviewAug 4, 2026Girl Scout Cookies Strain Review & Grow Guide | Royal King SeedsGirl Scout Cookies (GSC) is a hybrid strain averaging 25-28% THC with OG Kush × Durban Poison genetics, 9-10 week flower time, and 400-550g/m² indoor yields — ideal for US growers aged 21+.seedlingAug 1, 2026Cannabis Seedling Stage Guide | Royal King SeedsCannabis seedlings need 18/6 light at 200-400 PPFD, 70-80% humidity, 22-26°C temps, and 5-10 mL water every 2-3 days during weeks 1-3 to avoid damping-off and stretch.strain reviewJul 28, 2026Wedding Cake Strain: Effects, Grow Guide | Royal King SeedsWedding Cake strain delivers 25-27% THC, earthy-vanilla terpenes, and 8-9 weeks indoor flowering — a top-shelf hybrid for experienced US growers seeking heavy yields.strain reviewJul 25, 2026Biscotti Strain: Effects, Genetics & Grow Guide | Royal King SeedsBiscotti is a 25-28% THC indica-dominant hybrid (Gelato 25 × Southside Cookies) that finishes indoors in 8-9 weeks with yields of 450-550 g/m² — ideal for experienced US growers.harvestJul 23, 2026How to Read Trichomes for Harvest | Royal King SeedsHarvest cannabis at peak potency by reading trichomes: clear = too early, cloudy = peak THC, 10–30% amber = maximum effect. Use a 60–100x loupe or digital microscope.harvestJul 21, 2026How to Flush Cannabis Before Harvest | Royal King SeedsFlush cannabis plants 7–14 days before harvest by running 3x the pot volume in plain pH-balanced water (6.0–6.5 soil / 5.5–6.0 hydro) to clear nutrient salts and improve final flavor.strainJul 18, 20267 Best High-Yield Feminized Strains for Indoor Tents | Royal King SeedsThe 7 best high-yield feminized strains for indoor grow tents deliver 500–650 g/m² under 600W LED in 8–10 weeks of flower — top picks include Big Bud, Critical Mass, and Northern Lights XXL.wateringJul 16, 2026Overwatering vs Underwatering Cannabis | Royal King SeedsOverwatering kills more cannabis plants than underwatering — drooping leaves with firm texture = too much water; drooping with limp texture = too little. Fix it in 48 hours.sexJul 14, 2026Male vs Female Cannabis Plants Guide | Royal King SeedsMale cannabis plants show pollen sacs (small clusters of balls) at nodes within 1-3 weeks of flowering; females show white pistils. Spot the difference early to protect your crop — or buy feminized seeds to eliminate the risk entirely.seedlingJul 13, 2026Germinate Cannabis Seeds: Paper Towel Method | Royal King SeedsGerminate cannabis seeds in 24–120 hours using the paper towel method: keep seeds at 22–25°C, 70–80% humidity, in darkness — achieving 90%+ success rates when done correctly.growJun 11, 2026Cannabis Leaves Curling Down: Causes & Fixes | Royal King SeedsCannabis leaves curl down due to overwatering, heat stress, nitrogen toxicity, or root problems — fix it by checking soil moisture, temps (65–85°F), and feeding schedules within 24–48 hours.
Terpenes & Effects
13 articlesterpeneMar 15, 2026Which Cannabis Terpenes Are Best for Pain ReliefWhich Cannabis Terpenes Are Best for Pain Relief and How Do They Work?: Terpenes are the reason two strains at 22% THC can feel completely different.effectsMar 7, 2026New medical marijuana legislation becomes effectiveNew medical marijuana legislation becomes effective: Cannabis for pain and inflammation is a topic where careful language matters.terpeneDec 13, 2025Pinene and Terpenes in Cannabis and AromatherapyPinene and Terpenes in Cannabis and Aromatherapy: Terpenes are the reason two strains at 22% THC can feel completely different.
Indoor Growing
12 articlesvpdMar 30, 2026VPD and Humidity Control for Cannabis GrowsAim for roughly 0.4-0.8 kPa at seedling, 0.8-1.2 kPa in veg and 1.0-1.4 kPa through flower, then keep the lights-off humidity spike down. That spike is where bud rot starts.lightNov 26, 2025How to prepare cannabis beverages at home, a guideHow to prepare cannabis beverages at home, a guide: How to prepare beverages at home. Free shipping is available on eligible orders of $150 or more.lightOct 9, 2025Strength of Cannabis Plants and Their PartsStrength of Cannabis Plants and Their Parts: If you are working through strength of their parts for the first time or troubleshooting an active issue.
Troubleshooting
9 articlesflowerJan 1, 2026Why Did My Autoflower Plant Stay So Small?Why Did My Autoflower Plant Stay So Small?: If you are working through why did my autoflower stay so small?flowerDec 16, 2025Royal King's Top 10 Best Autoflowering SeedsRoyal King's Top 10 Best Autoflowering Seeds: What Changes Between Setups In soil, royal king's top 10 best autoflowering seeds has a slower feedback loop.flowerNov 18, 2025When to Switch from the Vegetative to the FloweringWhen to Switch from the Vegetative to the Flowering Stage: what to check, what to avoid, and how to get it right.
Germination
5 articlesseedlingAug 1, 2026Cannabis Seedling Stage Guide | Royal King SeedsCannabis seedlings need 18/6 light at 200-400 PPFD, 70-80% humidity, 22-26°C temps, and 5-10 mL water every 2-3 days during weeks 1-3 to avoid damping-off and stretch.seedlingJul 13, 2026Germinate Cannabis Seeds: Paper Towel Method | Royal King SeedsGerminate cannabis seeds in 24–120 hours using the paper towel method: keep seeds at 22–25°C, 70–80% humidity, in darkness — achieving 90%+ success rates when done correctly.seedlingApr 14, 2026Cannabis Seedling Stage Mastered in 3 Steps | Royal King SeedsMaster the cannabis seedling stage in 3 proven steps. Protect your young plants, avoid rookie mistakes, and grow stronger plants from day one.
Harvest & Curing
3 articlesharvestJul 23, 2026How to Read Trichomes for Harvest | Royal King SeedsHarvest cannabis at peak potency by reading trichomes: clear = too early, cloudy = peak THC, 10–30% amber = maximum effect. Use a 60–100x loupe or digital microscope.harvestJul 21, 2026How to Flush Cannabis Before Harvest | Royal King SeedsFlush cannabis plants 7–14 days before harvest by running 3x the pot volume in plain pH-balanced water (6.0–6.5 soil / 5.5–6.0 hydro) to clear nutrient salts and improve final flavor.harvestJan 11, 2025What is Dry Farming?What is Dry Farming?: This article focuses on the practical decisions most what is dry farming?
Genetics & Breeding
3 articlessexJul 14, 2026Male vs Female Cannabis Plants Guide | Royal King SeedsMale cannabis plants show pollen sacs (small clusters of balls) at nodes within 1-3 weeks of flowering; females show white pistils. Spot the difference early to protect your crop — or buy feminized seeds to eliminate the risk entirely.sexMar 17, 2025Triploid Cannabis Explained, Yield, Potency & RisksTriploid cannabis seeds promise bigger yields and seedless flower, here's what the data actually shows on potency, terpenes.cloneMar 3, 2025Can You Clone Autoflower Cannabis Plants?Can You Clone Autoflower Cannabis Plants?: Practical guide to can you clone autoflower ? Free shipping is available on eligible orders of $150 or more.
