Quick Answer
Start with legal seeds or clones. Germinate them in a moist, warm spot. Move sprouts to a pot with drainage. Give 18 hours of light and 6 hours of dark for vegetative growth. Water when the top inch of soil is dry. Feed a balanced nutrient mix at half strength. Switch to 12 hours of light and 12 hours of dark to force flowering. Harvest when trichomes turn cloudy. Dry and cure the buds before use.
Prerequisites
- Check state and local laws. Cannabis cultivation rules vary by state, county, and city.
- Buy seeds or clones from a licensed source.
- Gather supplies: pots with drainage holes, seed-starting mix, pH meter, timer, grow light or sunny window, nutrients, and a hygrometer.
- Set a dedicated space with airflow and a way to control temperature and odor.
Step-by-Step Growing Process
1. Germinate the Seeds
Place seeds between two damp paper towels. Put the towels in a sealed plastic bag. Keep the bag in a dark spot at 70 to 85°F. Check daily. Plant the seed when a white taproot appears.
2. Plant the Sprout
Fill a small pot with seed-starting mix. Poke a hole 1/4 inch deep. Place the taproot down. Cover it with soil. Water until the soil is moist, not soaked. Keep the pot under a mild light for 24 hours.
3. Vegetative Stage
Set the light timer to 18 hours on and 6 hours off. Keep the light 12 to 24 inches above the canopy. Water when the top inch of soil is dry. Feed a nitrogen-rich nutrient solution at half the label dose. Top the plant once it has four nodes to create a bushier shape.
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4. Flowering Stage
Change the timer to 12 hours on and 12 hours off. Keep the room dark during the off cycle. Stop adding nitrogen. Switch to a phosphorus- and potassium-heavy bloom nutrient. Watch for male plants, which grow pollen sacs. Remove males to prevent seed production.
5. Harvest and Dry
Check trichomes with a magnifier. Harvest when most are cloudy and a few are amber. Cut the plant at the base. Hang branches upside down in a dark room at 60 to 70°F and 45 to 55% humidity. Dry for 7 to 14 days.
6. Cure the Buds
Trim dried leaves. Place buds in glass jars. Fill each jar 3/4 full. Open the jars twice a day for the first week. Cure for 2 to 4 weeks. Store jars in a cool, dark place.
Common Beginner Mistakes
- Overwatering. Let the soil dry between waterings.
- Using a weak light. Cannabis needs strong light for dense buds.
- Harvesting too early. Wait for cloudy trichomes.
- Skipping the cure. Curing improves flavor and smoothness.
Tools and Supplies
- Fabric pots or containers with drainage holes
- pH and EC meters
- Digital timer
- LED or HID grow light
- Oscillating fan for airflow
- Carbon filter for odor control
- Hygrometer and thermometer
- Jars for curing