The Serbian Orthodox Church , Macedonian Orthodox Church and Romanian Orthodox Church use basil ( Macedonian : Ð Ð 3\/4 Ñ Ð Ð '' Ð Ð ; Romanian : busuioc , Serbian : Ð Ð 3\/4 Ñ Ð Ñ Ð Ð ) to prepare holy water and pots of basil are often placed below church altars . The Bulgarian Orthodox Church , Serbian Orthodox Church , Macedonian Orthodox Church and Romanian Orthodox Church use basil ( Bulgarian and Macedonian : Ð Ð 3\/4 Ñ Ð Ð '' Ð Ð ; Romanian : busuioc , Serbian : Ð Ð 3\/4 Ñ Ð Ñ Ð Ð ) to prepare holy water and pots of basil are often placed below church altars .