WARNING: The information provided below is only for individuals that live in cannabis friendly states. Please check local and state laws prior to attempting any of the instructions below. Learn Sativa is not responsible for any trouble that may arise if you decide to grow cannabis in your own home.

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How to Grow Marijuana - Learn Sativa University

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Grow Tip: How to Transplant Marijuana (Week 4-5)

Grow Tip: How to Setup Grow Tent (Week 4)

Cannabis Germination Stage (Week 1-2)

How to Germinate Weed Seeds (Written Version)

Germination Weed Seed - Grow Guide - Learn Sativa

Inventory for Germinating Marijuana

  1. Seeds
  2. Glass Jar
  3. PH Balanced Water (7.0) Room Temp
  4. Paper Towel (unscented, unbleached)
  5. Large Ceramic Plate
  6. Spray Bottle

Instructions for Germinating Marijuana Seeds

  1. Pick your seed…

  2. Fill glass jar with PH balanced water at room temperature.

  3. Place Seeds in PH Balanced Water

  4. Notice how the seeds float on top of the water…

  5. Place glass jar in a dark place, preferably room temperature place.

  6. Every 2 hours for 18 hours – Tap seeds to the point of submersion

Next…

  1. Place a sheet of paper towel on your large ceramic plate.
  2. Carefully pour glass jar contents directly onto paper towel…
  3. Spread out seeds on paper towel…
  4. Carefully fold the paper towel over…
  5. Place in dark, humid place (3-4 days)
  6. Keep paper towel moist, but not soaked…
  7. Periodically unfold your paper towel and check for signs of the “Taproot”…
  8. Place seedling ½” deep in 8oz soil pot

    (tap root facing down!)

How to Germinate Weed Seeds (Video Version)

NOTICE: All plants used in this video contain ZERO THC. Some plants shown were either cadaver (artificial) or Kenaf.

How to Germinate Weed Seeds (Slides Version)

Swipe Right to View All Slides >>>

Cannabis Seedling Stage (Week 3-4)

How to Grow Cannabis During Seedling Stage (Written Version)

Cannabis Seedling Grow Guide - Learn Sativa

What You Need During Seedling Stage

  1. T5 Lighting System
  2. Humidity Dome
  3. Seedling Heating Pad
  4. Humidity/Temperature Sensor
  5. Spray Bottle
  6. 8oz Containers
  7. Watering Pot
  8. Soil (Fox Farm Ocean Forrest)

Instructions for Germinating Marijuana

  1. Put together your humidity dome system. (View slides or Video for more instructions)

  2. Place 8oz pots with seedlings inside your humidity dome.

  3. Set humidity to 70% by closing ports on your dome.

  4. Set temperature to 68-77°F. (Use seedling heating pad for cooler enviroments)

  5. Monitor temperature and humidity closely.

  6. Turn T-5 lights on for 18 hours and off 6 hours using your digital timer.

  7. Continue to water your seedlings daily, just as the lights turn on. (Note: ensure your potting containers have proper drainage at the bottom to prevent mold or mildew)

Enviromental Conditions for Seedlings

NOTE: If you maintain the following enviromental controls while growing weed, you will have a rather successful grow – that’s not to say you will have cannabis cup quality bud. But, fear not! That’s why we teach hands-on and online advanced growing courses at our cannabis college (Learn Sativa University) – however, we all must crawl before we walk, right?

  • PPFD: 200-400 (You can get the PPFD reading by using a PAR meter)

  • Color Spectrum: 6500 K (Cool Blue) 

  • Humidity level: 70% for the first week, then begin to bring down gradually to 55%

  • Temperature: 68-77°F

  • Lighting: 18 on, 6 off

  • Water (keep soil moist, not soaked) 

How to Grow Cannabis During Seedling Stage (Video Version)

NOTICE: All plants used in this video contain ZERO THC. Some plants shown were either cadaver (artificial) or Kenaf.

How to Grow Cannabis During Seedling Stage (Slides Version)

Swipe Right to View All Slides >>>

Cannabis Vegetative Stage (Week 4-8)

How to Grow Cannabis During Vegetative Stage (Written Version)

What You Need During Vegetative Stage

  1. Grow Tent (preferably 4′ x 4′ x 8′)
  2. (1x) 4″ Grow Fan
  3. (1x) 4″ Charcoal Filter
  4. (1x) Circulating Fan
  5.  4″ Venting
  6. LED Grow Light with Veg/Flower Switch (Check Enviromental Conditions for Veg Below, specifically PPFD & Spectrum) 
  7. Humidity/Temperature Sensor
  8. 3 Gallon Potting Containers
  9. Watering Pot (Unless you decide to go with a drip fed irrigation system)
  10. Soil (Fox Farm Ocean Forrest)

Instructions for Vegetative Stage of Weed Growing

  1. Transfer plants into larger pots (See transplanting video)

  2. Provide each plant with one square foot of grow space (minimum)

  3. Proceed to montior Enviromental Conditions for Vegetative Stage as follows below.

Enviromental Conditions for Vegetative Stage

  • PPFD: 400-600 (You can get the PPFD reading by using a PAR meter)

  • Color Spectrum: 6500 K (Cool Blue) 

  • Humidity level: 55%

  • Temperature: 68-77°F

  • Lighting: 18 on, 6 off

  • Water (keep soil moist, not soaked) 

WARNING: Stagnant water or air will cause mold and mildew problems for your plants. Use airstones in your watering containers and circulating fans in your tent to ensure proper airflow.

How to Setup your Grow Tent

NOTE: You can click the vented garden system photo above to expand.

Grow Tip: How to Transplant Marijuana

NOTICE: All plants used in this video contain ZERO THC. Some plants shown were either cadaver (artificial) or Kenaf.

Cannabis Flowering Stage (Week 8-12/16)

How to Grow Cannabis During Flowering Stage (Written Version)

What You Need During Cannabis Flowering Stage

  1. Grow Tent (preferably 4′ x 4′ x 8′)
  2. (1x) 4″ Grow Fan
  3. (1x) 4″ Charcoal Filter
  4. (1x) Circulating Fan
  5. LED Grow Light with Veg/Flower Switch (Check Enviromental Conditions for Veg Below, specifically PPFD & Spectrum) 
  6. Humidity/Temperature Sensor
  7. 3 Gallon Potting Containers
  8. Watering Pot (Unless you decide to go with a drip fed irrigation system)
  9. Soil (Fox Farm Ocean Forrest)
  10. Happy Frog Fruit & Flower Organic Fertilizer (Use Instructions on Bag)

Instructions for Flowering Stage of Weed Growing

  1. Watch for the sex of your cannabis plant and ensure you have a female. Typically you will begin to see the sex of the plant within 11 days of switching your light schedule to 12 on / 12 off.

  2. Provide each plant with one square foot of grow space (minimum)

  3. Continue to monitor Enviromental Conditions as they have changed for Flowering Stage as follows below. (Warning: mold will occur if temperature and air flow are not carefully controlled).

Enviromental Conditions for Flowering Stage

  • PPFD: 600-900 (You can get the PPFD reading by using a PAR meter)

  • Color Spectrum: Red

  • Humidity level: 55%

  • Temperature: 68-77°F

  • Lighting: 12 on, 12 off

  • Water (keep soil moist, not soaked) 

WARNING: Stagnant water or air will cause mold and mildew problems for your plants. Use airstones in your watering containers and circulating fans in your tent to ensure proper airflow.

Now, Which Strain Do You Want to Grow?

Hydroponics: How to Build a DWC System

How to Build a Hydroponics System Under $100 (Video Version)

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Let’s Grow Two Pounds Using

Four Plants!

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