LECA® Crushed Lightweight Expanded Clay | 4–10mm | Improves Drainage, Moisture Retention & Root Health

Leca® (lightweight expanded clay aggregate) crushed or broken, is a versatile medium that enhances plant care and growth. Here’s a guide on how to use it effectively:

• Drainage: place a layer of crushed/broken leca® at the bottom of your pot to improve drainage and prevent waterlogging.

• Hydroponics: use crushed/broken leca® as a growing medium for hydroponic systems; it supports plants while retaining moisture.

• Mixing: combine crushed/broken leca® with soil to enhance aeration, creating an ideal environment for root development.

• Propagation: use it for propagating cuttings; the structure helps maintain moisture levels and supports healthy growth.

• Decor: crushed/broken leca® adds a natural and modern aesthetic to pots and planters.

Crushed or broken leca® is preferred by some gardeners and growers because its irregular shape provides better contact with plant roots and soil, promoting improved moisture retention and nutrient access compared to the smoother, round leca®. Its unique properties make it an excellent choice for both practical use and aesthetic appeal.

The crushed leca® is available in a granule size of between 4–10mm and in two different bag sizes, namely 10 or 50 litres.

The leca® lightweight expanded clay aggregate – crushed/broken is a trusted medium used by professional growers, hydroponic farmers, and home gardeners alike. Its versatility means it can serve as a standalone medium in hydroponics, a soil amendment, or even a decorative top layer for pots and planters.

By improving drainage and airflow, leca® helps prevent waterlogging and root diseases while ensuring plants have the oxygen they need for strong root development. Its porous structure not only retains water but also releases it gradually, providing plants with consistent moisture. The irregular, crushed form allows it to nestle more closely around roots, giving them greater access to both water and nutrients.

In hydroponic systems, crushed leca® is valued for its ability to support plants physically while creating a stable and moisture-regulated environment. For soil growers, mixing leca® with potting mediums improves structure and reduces compaction, making it easier for roots to expand and thrive.

Beyond its horticultural benefits, crushed leca® also adds a modern, natural look to pots, terrariums, and decorative arrangements, appealing to those who want style as well as performance.

Key features:

• Crushed leca® with irregular shape for improved root contact

• Enhances drainage, aeration, and nutrient absorption

• Suitable for hydroponics, propagation, and soil mixing

• Granule size: 4–10mm

• Available in 10l or 50l bags