Your 2025 Cannabis Grow Guide | Cannabis Growing Australia

How to Grow Cannabis:

So, you want to grow your own cannabis? Whether you’re after fresh, homegrown buds or just love the idea of nurturing your own plants, growing cannabis is both fun and rewarding. But don’t worry—it’s not rocket science! Follow this simple guide, and you’ll be harvesting in no time.

Choose Your Seeds Wisely

Your cannabis journey starts with picking the right seeds. Here are the main types:

Indica – Short, bushy, relaxing high.
Sativa – Tall, energetic, uplifting effects.
Hybrid – A mix of both, offering balanced effects.
Autoflowering – Easiest for beginners, grows fast with minimal effort.

Pick seeds based on your climate, space, and the type of high you want. If you’re new, autoflowering strains are a great choice.

Pick Your Growing Setup

You can grow cannabis indoors or outdoors, and each has its perks:

Indoor Growing: Full control over light, temperature, and humidity. Grow year-round. More discreet. Higher electricity costs and setup expenses.

Outdoor Growing: Uses natural sunlight (free energy!). Bigger yields with minimal setup. More eco-friendly. Dependent on weather and seasons. More vulnerable to pests and nosy neighbors.

If you have the space and budget, a small indoor grow tent with LED grow lights is a solid way to start.

Get the Right Soil & Nutrients

Cannabis loves nutrient-rich soil with good drainage. Look for organic potting soil with these ingredients:

Perlite (helps with drainage)
Coco coir (retains moisture)
Compost or worm castings (natural nutrients)

If using store-bought fertilizers, grab ones high in nitrogen (N), phosphorus (P), and potassium (K), commonly labeled as NPK.

Plant Your Seeds

Time to get those babies in the dirt! Here’s how:

Soak seeds in water for 24 hours (optional but speeds up germination).
Plant seeds about ½ inch (1 cm) deep in moist soil.
Keep the soil warm (70-85°F / 21-29°C) and moist but not soaking wet.
In a few days, you’ll see tiny sprouts. Congrats, you’re now a cannabis parent

For more in-depth information on growing cannabis click Here for our recommended resource guide to growing cannabis.

Light & Watering Schedule

For strong, healthy plants, they need the right light cycle:

Seedling Stage: 18-24 hours of light per day.
Vegetative Stage (Weeks 3-8): 18 hours light, 6 hours dark.
Flowering Stage (Week 8+): 12 hours light, 12 hours dark (this triggers bud growth!).

Use LED or full-spectrum grow lights indoors and ensure they’re placed 12-24 inches above the plants.

When it comes to watering: Water when the top inch of soil feels dry. Use pH-balanced water (around 6.0-6.5). Avoid overwatering! Soggy roots can lead to mold and root rot.

Keep Pests Away!

Pests love cannabis as much as you do. Here’s how to keep them off:

Keep your grow area clean.
Use neem oil or insecticidal soap to prevent bugs.
Introduce ladybugs—they eat plant-eating pests.
If growing outdoors, companion plants like basil or marigolds help deter insects.

The Flowering Phase & Harvest Time

After weeks of care, your plants will start producing buds! You’ll know it’s time to harvest when:

White pistils (hairs) turn orange/brown. Trichomes (tiny crystals) go from clear to milky white. Buds are dense and sticky.

To harvest, cut the plant, trim excess leaves, and hang buds upside-down in a dark, cool space to dry for 7-10 days. After drying, cure your buds in glass jars for another 2-4 weeks to enhance flavor and potency.

Growing cannabis isn’t just about the end result—it’s an experience! Enjoy the process, learn from mistakes, and tweak things as you go. With patience and care, you’ll have your own top-shelf buds in no time.

Happy Growing!🌱🔥