Wear gloves when handling. Crushed CDs, tumbled glass, polished pebbles and crushed shells are decorative mulches for small areas and are best used in the tops of pots.
This is the time of year when snowbirds and tourists return to the island. Everyone is busy cleaning the last of the summer ...
A deeper layer can trap too much moisture and cause root rot. There are two basic types of mulch - organic and inorganic.