How to Build an Onion Tower (Page 2 ) | February 3, 2024

1. Using Onion Sets: Plant the onion sets (small bulbs) about 1 inch deep and 4-6 inches apart, ensuring the tips are just poking through the soil surface.
2. Using Seeds: If planting from seeds, sow them ¼ inch deep and thin the seedlings once they’re a few inches tall, keeping the strongest ones.

Step 4: Watering and Maintenance

1. Watering: Water your onions regularly to keep the soil moist but not waterlogged. A drip irrigation system can provide consistent, targeted watering.
2. Feeding: Feed your onions every few weeks with a balanced liquid fertilizer to promote healthy growth.
3. Monitoring: Regularly check your tower for signs of pests or diseases. Remove any affected plants promptly to prevent spread.

Step 5: Harvesting

1. Knowing When to Harvest: Onions are ready to harvest when their tops begin to yellow and fall over. Gently loosen the soil around each onion and lift it out of the tower.
2. Curing Onions: Lay your harvested onions out in a warm, dry place with good air circulation for a few weeks to cure. This process hardens the outer layers and prepares the onions for storage.

Aftercare and Seasonal Considerations

• Post-Harvest: After harvesting, replenish the soil in your tower with fresh compost to prepare for the next planting cycle.
• Winter Care: If your area experiences frost, consider moving your tower to a sheltered location or covering it with horticultural fleece to protect your plants.

Building an onion tower is an excellent way to maximize your gardening space and enjoy a bountiful harvest. With these steps and proper care, you can grow healthy, flavorful onions in even the smallest of spaces. Happy gardening!

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