How to Grow Unlimited Supply of Onions in Big Plastic Bottles at Home
1. What You Need
Large Plastic Bottles: 5-liter bottles are ideal.
Onion Bulbs: Preferably smaller onion sets.
Potting Soil: Well-draining, nutrient-rich mix.
Knife or Scissors: For cutting the bottles.
Drill or Nail: For drainage holes.
Water: For regular watering.
2. Step-by-Step Guide
Step 1: Prepare the Bottles
Clean the Bottles: Ensure they are free of residues.
Cut Openings: Use a knife or scissors to cut holes in the sides, spaced evenly.
Add Drainage Holes: Make small holes at the bottom using a drill or heated nail.
Step 2: Fill With Soil and Plant
Fill with Soil: Add a few inches of soil to the bottom.
Plant Onion Bulbs: Insert bulbs into the holes, root end down, and cover with soil.
Continue Layering: Add more soil and bulbs in layers until the bottle is filled.
Step 3: Water and Position
Water Thoroughly: Moisten the soil until water drains from the bottom.
Position the Bottle: Place in a sunny location like a windowsill or balcony.
Step 4: Care and Maintenance
Regular Watering: Keep the soil consistently moist but not waterlogged.
Nutrient Management: Feed with a balanced liquid fertilizer every few weeks.
Monitor for Pests and Diseases: Check regularly and treat as needed.
Step 5: Harvesting
Check for Readiness: Harvest when the tops fall over and yellow.
Curing: Dry harvested onions in a warm, ventilated area for several days.
3. Benefits and Tips
Space Efficient: Utilizes vertical space efficiently.
Eco-Friendly: Recycles plastic bottles, reducing waste.
Continuous Supply: Stagger planting times for a continuous harvest.
This method allows for a steady supply of fresh onions, making it a practical and enjoyable home gardening project.