Well drained loamy soil with slightly acidic condition is suitable. Thrives best in hot
and humid conditions, under shade of rubber, coconut, coffee, etc. The pH of the soil should
range from 5.5 to 7.5 for good growth.
Patchouli is a tropical crop which can also be grown under sub- tropical conditions.
Patchouli grows successfully upto an altitude of 800-1000m above the MSL. It prefers a
warm and humid climate. The crop can be grown successfully under a fairly heavy and
evenly distributed rainfall, ranging from 150-300 cm per annum.