Mold on Terracotta Pot (How to Remove It) - Mr.Houseplant
Mold readily grows in terracotta pots as the pots provide the perfect environment for it to grow. Terracotta absorbs moisture from the soil, the pores are moist almost all the time so they provide excellent conditions for the fungus to grow. If the pots are in a darker area, in high humidity and with little airflow, the fungus grows even faster.
