LECA Balls

LECA Balls

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Indoor gardening with LECA (Lightweight Expanded Clay Aggregate) balls provides an excellent environment for plant growth. Follow this simple guide to successfully plant indoor plant plugs in LECA balls for vibrant and healthy results.

Materials Needed:

  1. Indoor plant plugs or seedlings
  2. LECA clay balls
  3. Net pots or trays
  4. Hydroponic nutrient solution
  5. pH testing kit
  6. pH adjusters (if needed)
  7. Watering can or pump
  8. Growing lights (optional)


Step 1: Prepare LECA Balls

Rinse LECA balls under running water to remove dust. Soak them in water for 2-4 hours to ensure they are fully saturated. This prepares the balls for optimal water retention.

Step 2: Choose Healthy Plant Plugs

Select indoor plant plugs with well-developed roots and healthy foliage. Ensure they are free from pests and diseases.

Step 3: Set Up Net Pots or Trays

Place the chosen plant plugs into net pots or trays. The net pots provide support for the plant while allowing roots to grow into the LECA balls.

Step 4: Fill Net Pots with LECA

Fill the net pots or trays with the soaked LECA balls. Gently press the plant plugs into the centre of each pot, ensuring the roots make contact with the LECA.

Step 5: Hydroponic System Setup

If using a hydroponic system, set it up according to the manufacturer's instructions. Fill the reservoir with a hydroponic nutrient solution, maintaining the recommended nutrient concentration.

Step 6: pH Level Adjustment

Check the pH levels of the nutrient solution using a pH testing kit. Adjust the pH to the optimal range of 5.5 - 6.5 using pH adjusters if necessary.

Step 7: Watering and Initial Care

Water the plant plugs thoroughly to settle them into the LECA balls. Ensure the LECA remains consistently moist. If using growing lights, position them according to the light requirements of the specific plants.

Step 8: Monitoring and Maintenance

Regularly monitor the moisture levels in the LECA balls and adjust watering accordingly. Keep an eye on the health and growth of your plants. If using additional lights, maintain a consistent light schedule.

Step 9: Transplantation (Optional)

As your indoor plants thrive and their roots become well-established in the LECA, you have the option to transplant them into the soil. This is typically done when the plants outgrow their initial setup.


  • LECA Saturation: Ensure LECA balls are thoroughly soaked for optimal water retention.
  • Plant Placement: Center plant plugs in net pots to allow roots to grow into the surrounding LECA.
  • Hydroponic System Care: Regularly check and adjust nutrient levels and pH for optimal plant nutrition.
  • Lighting: Adjust the position and duration of growing lights based on the light requirements of your specific plants.
  • Transplantation: Consider transplanting into soil when the roots are well-established for continued growth.

By following these steps and tips, you'll create an ideal environment for your indoor plants to thrive in LECA, fostering healthy growth and a flourishing indoor garden.

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