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Those brown balls.
Those brown balls.
Lightweight Expanded Clay Aggregate (LECA) is a lightweight substrate most commonly used in place of soil. We often use LECA for propagating as it supports plant cuttings well in our large propagation trays.
Planty People can access further information about LECA including our downloadable Pottering Pack Go To Guides. Subscribe to The Plant Paper to get access to subscriber only content on our website. If you're already a subscriber, access the Planty People main menu here.
What is it?
What is it?
Lightweight Expanded Clay Aggregate (LECA) is essentially clay that has been baked to extreme temperatures.
It retains water and so allows the plant to take just the right amount of water required.
It provides for more oxygen around the roots and proper drainage so reduces the risk of over or underwatering your plant.
LECA also eliminates the common concern of plant pests that thrive in soil such as Fungus Gnats.
It is low maintenance, making it a great beginner substrate.
More Information
More Information
For more of the science behind substrates, refer to our Plant Science pages.
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