Discover an eco-friendly and ingenious way to grow onions using recycled plastic bottles and kitchen scraps. This guide presents a simple method that transforms discarded materials into a thriving haven for onions.
What you will need
Recycled plastic bottles (cut in half)
Red onion bulbs
Compost or potting soil
Drill or sharp knife
Kitchen leftovers (fruit and vegetable scraps)
Blender or cutting board
Spray bottle or atomizer
Watering can or hose
grow onions what you need
Step by step guide
Prepare the plastic bottles: Drill drainage holes in the halved plastic bottles to prevent waterlogging.
Fill with food: Load the bottles with quality compost or well-aerated potting soil for optimal growth.
Prepare the onion bulbs: Cut off the tops of the red onions, leaving a small portion intact for new growth.
Planting Time: Place prepared onion bulbs in bottles, making sure the cut tops are facing up.
Make fertilizer from kitchen waste
Gather and process: Collect kitchen scraps and process them finely for efficient decomposition.
Fermentation process: Allow leftovers to ferment in water to create a nutrient-rich fertilizer.
Refine and dilute: filter the fermented mixture and dilute with water for application.
Application of fertilizer
Preparation: Transfer the diluted fertilizer into a spray bottle or sprayer for easy use.
Application: Spray the soil around the onion plants every two weeks for a nutrient boost.
Additional care tips
Watering Routine: Maintain soil moisture without overwatering.
Light and care: Place the bottles in a sunny location for optimal growth.
Weed control: Eliminate weeds to avoid nutrient competition.
Harvest time
Indicators: Harvest onions when the green stems begin to yellow and bend.
Harvesting Method: Gently remove the onions from the ground and allow them to dry before storing.
a basket full of onions
Growing onions with recycled plastic bottles and kitchen scraps is a sustainable and rewarding endeavor. Follow these steps to grow your own batch of homegrown onions while contributing to a greener lifestyle. Experiment with different kitchen scrap mixes to find the perfect fertilizer blend for your onion sanctuary. Happy gardening!