- Used coffee grounds
- Used tea-leaves
- Dry eggshells, ground very fine
Mix well and dig into the soil around your potted plants. Watch the video below for a step-by-step guide:
Used coffee grounds and tea-leaves contain minerals vital for plant growth — nitrogen, calcium, potassium, iron, phosphorus, magnesium and chromium.
If you dig used coffee and tea-leaves into the soil around your potted plants, you attract microorganisms to help plant health. Plus, you improve the texture of the soil.
In Singapore the sun bakes our soil hard. Eventually, water cannot get into the soil around your potted plant, or drain out properly.
Adding organic matter (like coffee grounds, tea leaves and eggshells) helps water penetrate the soil – and drain out properly. This not only helps your plant, but it also reduces mosquitoes.
One of the tips NEA gives to prevent dengue mosquitoes breeding, is to loosen hard soil in pots, so water can drain away.