Trying LECA for the first time and honestly loving the process so far , LECA (lightweight expanded clay aggregate) is a semi hydro growing medium made from clay thats heated and expanded into small 20 SWEET AUTUMN CLEMATIS Paniculata Fragrant White Flower Vine Seeds Seedville USA Guide to Zamioculcas Zamiifolia Plant Also Called the Emerald Palm Enefit Plant Achieves Stable Operation After 20 Months Economy ERR