best way to grow autoflowers outdoors

3 min read 21-12-2024

Autoflowering cannabis strains have revolutionized outdoor growing, offering a faster harvest and reduced sensitivity to light cycles. This comprehensive guide will walk you through the best practices for cultivating these resilient plants, maximizing your yield and quality. Whether you're a seasoned grower or a complete novice, these tips will help you achieve a bountiful outdoor autoflower harvest.

Choosing the Right Autoflower Strain

Selecting the right autoflower strain is crucial for outdoor success. Consider these factors:

Climate Considerations

Temperature: Autoflowers thrive in moderate temperatures (65-75°F or 18-24°C). Extreme heat or cold can stunt growth. Choose strains known for tolerance to your local climate.
Sunlight: Autoflowers need at least 6-8 hours of direct sunlight daily. If your location receives less, consider supplemental lighting.
Humidity: High humidity can lead to mold and mildew. Ensure good air circulation around your plants. Select strains known for resistance to these issues.
Rainfall: Excessive rain can waterlog the soil. Well-draining soil and potentially some protection from heavy downpours are important.

Strain Characteristics

Yield: Look for strains known for high yields per plant.
Size: Consider the available space. Some autoflowers stay compact, while others can get quite large.
Flowering Time: While autoflowering, some strains finish faster than others.
Resistance: Choose strains with high resistance to pests and diseases common in your region.

Preparing Your Growing Site

Proper site preparation is essential for a successful outdoor autoflower grow.

Soil Selection

Well-draining soil: Use a soil mix that drains well to prevent root rot. Amend heavy clay soils with perlite or vermiculite to improve drainage.
Nutrient-rich soil: While autoflowers are relatively low-maintenance, they still benefit from nutrient-rich soil. Consider adding compost or other organic matter.
Soil pH: Maintain a soil pH between 6.0 and 7.0 for optimal nutrient uptake. A soil testing kit is helpful for accurate measurement and adjustment.

Location Selection

Sunlight: Choose a location that receives at least 6-8 hours of direct sunlight per day.
Protection: Consider factors like wind, animals, and potential theft. A sheltered location is preferable.
Water Access: Ensure easy access to a water source for regular watering.

Planting and Germination

Germinating your autoflower seeds is the first step towards a successful harvest.

Germination Methods

Paper Towel Method: Place seeds between damp paper towels and keep them warm until they sprout.
Direct Sowing: Plant seeds directly into your prepared soil. This method is often simpler but has a slightly lower success rate.

Planting Depth and Spacing

Plant seeds about ½ inch deep. Space plants appropriately, depending on the strain's mature size. Check the strain information for recommended spacing.

Watering and Feeding Your Autoflowers

Proper watering and feeding are crucial for healthy growth.

Watering

Regular Watering: Water deeply but infrequently, allowing the soil to dry slightly between waterings. Overwatering can lead to root rot.
Water Quality: Use pH-balanced water (around 6.5-7.0). Avoid using chlorinated tap water.
Water Timing: Water in the morning to allow the foliage to dry before nightfall, reducing the risk of fungal diseases.

Feeding

Nutrient Schedule: Use a nutrient schedule specifically designed for autoflowering cannabis. Over-fertilizing can harm plants.
Organic Nutrients: Organic nutrients are generally preferred for their beneficial effects on soil health.
Nutrient Deficiencies: Learn to recognize signs of nutrient deficiencies and adjust your feeding schedule accordingly.

Pest and Disease Control

Prevention is key when it comes to pest and disease control.

Prevention

Healthy Soil: Healthy soil strengthens plants' natural defenses against pests and diseases.
Proper Spacing: Ensure adequate spacing between plants to improve air circulation and reduce the risk of fungal diseases.
Regular Inspection: Regularly inspect plants for any signs of pests or diseases.

Treatment

Natural Pesticides: Use natural pesticides like neem oil or insecticidal soap to control pests.
Fungicides: Use organic fungicides to treat fungal diseases.

Harvesting Your Autoflowers

Harvesting your autoflowers is the culmination of your hard work.

Harvesting Time

Autoflowers typically harvest 7-11 weeks after germination. Examine the trichomes (tiny crystals on the buds) to determine optimal harvesting time. A microscope can be helpful for this.

Harvesting Technique

Carefully cut the buds from the plant, leaving enough stem to hang for drying and curing.

Conclusion

Growing autoflowering cannabis outdoors can be rewarding with careful planning and execution. By following these tips and paying close attention to your plants' needs, you can cultivate a healthy and bountiful harvest. Remember to always check your local laws and regulations before starting any cannabis cultivation project. Happy growing!